CentOS、Ubuntu、Rocky系统初始化脚本
Shell脚本源码地址：
Gitee：https://gitee.com/raymond9/shell
Github：https://github.com/raymond999999/shell
可以去上面的Gitee或Github仓库代码拉取脚本。
下面是reset_v6_1脚本内容：
[root@rocky9 ~]# cat reset_v6_1.sh
#!/bin/bash
#
#***************************************************************************************************
#Author: Raymond
#QQ: 88563128
#Date: 2023-11-15
#FileName: reset_v6_1.sh
#URL: raymond.blog.csdn.net
#Description: reset for CentOS 7 & CentOS Stream 8/9 & Ubuntu 18.04/20.04/22.04 & Rocky 8/9
#Copyright (C): 2023 All rights reserved
#***************************************************************************************************
COLOR="echo -e \\033[01;31m"
END='\033[0m'
os(){
OS_ID=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+).*"$@\1@p' /etc/os-release`
OS_NAME=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+) (.*)"$@\2@p' /etc/os-release`
OS_RELEASE=`sed -rn '/^VERSION_ID=/s@.*="?([0-9.]+)"?@\1@p' /etc/os-release`
OS_RELEASE_VERSION=`sed -rn '/^VERSION_ID=/s@.*="?([0-9]+)\.?.*"?@\1@p' /etc/os-release`
}
disable_selinux(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
if [ `getenforce` == "Enforcing" ];then
sed -ri.bak 's/^(SELINUX=).*/\1disabled/' /etc/selinux/config
${COLOR}"${OS_ID} ${OS_RELEASE} SELinux已禁用,请重新启动系统后才能生效!"${END}
else
${COLOR}"${OS_ID} ${OS_RELEASE} SELinux已被禁用,不用设置!"${END}
fi
else
${COLOR}"${OS_ID} ${OS_RELEASE} SELinux默认没有安装,不用设置!"${END}
fi
}
disable_firewall(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
rpm -q firewalld &> /dev/null && { systemctl disable --now firewalld &> /dev/null; ${COLOR}"${OS_ID} ${OS_RELEASE} Firewall防火墙已关闭!"${END}; } || ${COLOR}"${OS_ID} ${OS_RELEASE} iptables防火墙已关闭!"${END}
else
dpkg -s ufw &> /dev/null && { systemctl disable --now ufw &> /dev/null; ${COLOR}"${OS_ID} ${OS_RELEASE} ufw防火墙已关闭!"${END}; } || ${COLOR}"${OS_ID} ${OS_RELEASE} 没有ufw防火墙服务,不用关闭！"${END}
fi
}
optimization_sshd(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
sed -ri.bak -e 's/^#(UseDNS).*/\1 no/' -e 's/^(GSSAPIAuthentication).*/\1 no/' /etc/ssh/sshd_config
else
sed -ri.bak -e 's/^#(UseDNS).*/\1 no/' -e 's/^#(GSSAPIAuthentication).*/\1 no/' /etc/ssh/sshd_config
fi
systemctl restart sshd
${COLOR}"${OS_ID} ${OS_RELEASE} SSH已优化完成!"${END}
}
set_centos_alias(){
if [ ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then
cat >>~/.bashrc <<-EOF
alias cdnet="cd /etc/sysconfig/network-scripts"
alias vie0="vim /etc/sysconfig/network-scripts/ifcfg-eth0"
alias vie1="vim /etc/sysconfig/network-scripts/ifcfg-eth1"
alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"
EOF
else
cat >>~/.bashrc <<-EOF
alias cdnet="cd /etc/NetworkManager/system-connections"
alias vie0="vim /etc/NetworkManager/system-connections/eth0.nmconnection"
alias vie1="vim /etc/NetworkManager/system-connections/eth1.nmconnection"
alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"
EOF
fi
${COLOR}"${OS_ID} ${OS_RELEASE} 系统别名已设置成功,请重新登陆后生效!"${END}
}
set_ubuntu_alias(){
cat >>~/.bashrc <<-EOF
alias cdnet="cd /etc/netplan"
alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} 系统别名已设置成功,请重新登陆后生效!"${END}
}
set_alias(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
if grep -Eqi "(.*cdnet|.*vie0|.*vie1|.*scandisk)" ~/.bashrc;then
sed -i -e '/.*cdnet/d' -e '/.*vie0/d' -e '/.*vie1/d' -e '/.*scandisk/d' ~/.bashrc
set_centos_alias
else
set_centos_alias
fi
fi
if [ ${OS_ID} == "Ubuntu" ];then
if grep -Eqi "(.*cdnet|.*scandisk)" ~/.bashrc;then
sed -i -e '/.*cdnet/d' -e '/.*scandisk/d' ~/.bashrc
set_ubuntu_alias
else
set_ubuntu_alias
fi
fi
}
set_vimrc(){
read -p "请输入作者名: " AUTHOR
read -p "请输入QQ号: " QQ
read -p "请输入网址: " V_URL
cat >~/.vimrc <<-EOF
set ts=4
set expandtab
set ignorecase
set cursorline
set autoindent
autocmd BufNewFile *.sh exec ":call SetTitle()"
func SetTitle()
if expand("%:e") == 'sh'
call setline(1,"#!/bin/bash")
call setline(2,"#")
call setline(3,"#**********************************************************************************************")
call setline(4,"#Author: ${AUTHOR}")
call setline(5,"#QQ: ${QQ}")
call setline(6,"#Date: ".strftime("%Y-%m-%d"))
call setline(7,"#FileName: ".expand("%"))
call setline(8,"#URL: ${V_URL}")
call setline(9,"#Description: The test script")
call setline(10,"#Copyright (C): ".strftime("%Y")." All rights reserved")
call setline(11,"#*********************************************************************************************")
call setline(12,"")
endif
endfunc
autocmd BufNewFile * normal G
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} vimrc设置完成,请重新系统启动才能生效!"${END}
}
aliyun(){
URL=mirrors.aliyun.com
}
huawei(){
URL=repo.huaweicloud.com
}
tencent(){
URL=mirrors.tencent.com
}
tuna(){
URL=mirrors.tuna.tsinghua.edu.cn
}
netease(){
URL=mirrors.163.com
}
sohu(){
URL=mirrors.sohu.com
}
nju(){
URL=mirrors.nju.edu.cn
}
ustc(){
URL=mirrors.ustc.edu.cn
}
sjtu(){
URL=mirrors.sjtug.sjtu.edu.cn
}
set_yum_rocky8_9(){
sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://'${URL}'/rocky|g' /etc/yum.repos.d/[Rr]ocky*.repo
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_yum_rocky8_9_2(){
sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://'${URL}'/rockylinux|g' /etc/yum.repos.d/[Rr]ocky*.repo
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_yum_centos_stream9(){
PERL_FILE=update_mirror.pl
if [ ! -e ${PERL_FILE} ];then
${COLOR}"缺少${PERL_FILE}文件"${END}
exit
else
${COLOR}"${PERL_FILE}文件已准备好，继续后续配置！"${END}
fi
rpm -q perl &> /dev/null || { ${COLOR}"安装perl工具,请稍等..."${END};yum -y install perl &> /dev/null; }
perl ./update_mirror.pl /etc/yum.repos.d/centos*.repo
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_yum_centos_stream8(){
sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://mirror.centos.org/$contentdir|baseurl=https://'${URL}'/centos|g' /etc/yum.repos.d/CentOS-*.repo
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_epel_rocky_centos8_9(){
rpm -q epel-release &> /dev/null || { ${COLOR}"安装epel-release工具,请稍等..."${END};yum -y install epel-release &> /dev/null; }
sed -i.bak -e 's|^metalink=|#metalink=|g' -e 's|^#baseurl=https://download.example/pub/epel|baseurl=https://'${URL}'/epel|g' /etc/yum.repos.d/epel*.repo
if [ ${OS_RELEASE_VERSION} == "9" ];then
sed -i -e 's|^enabled=1|enabled=0|g' /etc/yum.repos.d/epel-cisco*.repo
fi
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_epel_2_rocky_centos8_9(){
rpm -q epel-release &> /dev/null || { ${COLOR}"安装epel-release工具,请稍等..."${END};yum -y install epel-release &> /dev/null; }
sed -i.bak -e 's|^metalink=|#metalink=|g' -e 's|^#baseurl=https://download.example/pub/epel|baseurl=https://'${URL}'/fedora-epel|g' /etc/yum.repos.d/epel*.repo
if [ ${OS_RELEASE_VERSION} == "9" ];then
sed -i -e 's|^enabled=1|enabled=0|g' /etc/yum.repos.d/epel-cisco*.repo
fi
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_epel_3_rocky_centos8_9(){
rpm -q epel-release &> /dev/null || { ${COLOR}"安装epel-release工具,请稍等..."${END};yum -y install epel-release &> /dev/null; }
sed -i.bak -e 's|^metalink=|#metalink=|g' -e 's|^#baseurl=https://download.example/pub/epel|baseurl=https://'${URL}'/fedora/epel|g' /etc/yum.repos.d/epel*.repo
if [ ${OS_RELEASE_VERSION} == "9" ];then
sed -i -e 's|^enabled=1|enabled=0|g' /etc/yum.repos.d/epel-cisco*.repo
fi
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_yum_centos7(){
sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://mirror.centos.org|baseurl=https://'${URL}'|g' /etc/yum.repos.d/CentOS-*.repo
${COLOR}"更新镜像源中,请稍等..."${END}
yum clean all &> /dev/null
yum makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_epel_centos7(){
rpm -q epel-release &> /dev/null || { ${COLOR}"安装epel-release工具,请稍等..."${END};yum -y install epel-release &> /dev/null; }
sed -i.bak -e 's!^metalink=!#metalink=!g' -e 's!^#baseurl=!baseurl=!g' -e 's!https\?://download\.fedoraproject\.org/pub/epel!https://'${URL}'/epel!g' -e 's!https\?://download\.example/pub/epel!https://'${URL}'/epel!g' /etc/yum.repos.d/epel*.repo
${COLOR}"更新镜像源中,请稍等..."${END}
yum clean all &> /dev/null
yum makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_epel_2_centos7(){
rpm -q epel-release &> /dev/null || { ${COLOR}"安装epel-release工具,请稍等..."${END};yum -y install epel-release &> /dev/null; }
sed -i.bak -e 's!^metalink=!#metalink=!g' -e 's!^#baseurl=!baseurl=!g' -e 's!https\?://download\.fedoraproject\.org/pub/epel!https://'${URL}'/fedora-epel!g' -e 's!https\?://download\.example/pub/epel!https://'${URL}'/fedora-epel!g' /etc/yum.repos.d/epel*.repo
${COLOR}"更新镜像源中,请稍等..."${END}
yum clean all &> /dev/null
yum makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_epel_3_centos7(){
rpm -q epel-release &> /dev/null || { ${COLOR}"安装epel-release工具,请稍等..."${END};yum -y install epel-release &> /dev/null; }
sed -i.bak -e 's!^metalink=!#metalink=!g' -e 's!^#baseurl=!baseurl=!g' -e 's!https\?://download\.fedoraproject\.org/pub/epel!https://'${URL}'/fedora/epel!g' -e 's!https\?://download\.example/pub/epel!https://'${URL}'/fedora/epel!g' /etc/yum.repos.d/epel*.repo
${COLOR}"更新镜像源中,请稍等..."${END}
yum clean all &> /dev/null
yum makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
rocky8_9_base_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)网易镜像源
3)搜狐镜像源
4)南京大学镜像源
5)中科大镜像源
6)上海交通大学镜像源
7)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-7): " NUM
case ${NUM} in
1)
aliyun
set_yum_rocky8_9_2
;;
2)
netease
set_yum_rocky8_9
;;
3)
sohu
set_yum_rocky8_9
;;
4)
nju
set_yum_rocky8_9
;;
5)
ustc
set_yum_rocky8_9
;;
6)
sjtu
set_yum_rocky8_9
;;
7)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-7)!"${END}
;;
esac
done
}
centos_stream9_base_menu(){
${COLOR}"由于CentOS Stream 9镜像源是Perl语言实现的，在更改镜像源之前先确保把'update_mirror.pl'文件和reset脚本放在同一个目录下，否则后面程序会退出，默认的CentOS Stream 9镜像源设置的是阿里云，要修改镜像源，请去'update_mirror.pl'文件里修改url变量！"${END}
sleep 10
set_yum_centos_stream9
}
centos_stream8_base_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)网易镜像源
6)南京大学镜像源
7)中科大镜像源
8)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-8): " NUM
case ${NUM} in
1)
aliyun
set_yum_centos_stream8
;;
2)
huawei
set_yum_centos_stream8
;;
3)
tencent
set_yum_centos_stream8
;;
4)
tuna
set_yum_centos_stream8
;;
5)
netease
set_yum_centos_stream8
;;
6)
nju
set_yum_centos_stream8
;;
7)
ustc
set_yum_centos_stream8
;;
8)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}
;;
esac
done
}
centos7_base_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)网易镜像源
6)南京大学镜像源
7)中科大镜像源
8)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-8): " NUM
case ${NUM} in
1)
aliyun
set_yum_centos7
;;
2)
huawei
set_yum_centos7
;;
3)
tencent
set_yum_centos7
;;
4)
tuna
set_yum_centos7
;;
5)
netease
set_yum_centos7
;;
6)
nju
set_yum_centos7
;;
7)
ustc
set_yum_centos7
;;
8)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}
;;
esac
done
}
rocky_centos8_9_epel_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)搜狐镜像源
6)南京大学镜像源
7)中科大镜像源
8)上海交通大学镜像源
9)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-9): " NUM
case ${NUM} in
1)
aliyun
set_epel_rocky_centos8_9
;;
2)
huawei
set_epel_rocky_centos8_9
;;
3)
tencent
set_epel_rocky_centos8_9
;;
4)
tuna
set_epel_rocky_centos8_9
;;
5)
sohu
set_epel_2_rocky_centos8_9
;;
6)
nju
set_epel_rocky_centos8_9
;;
7)
ustc
set_epel_rocky_centos8_9
;;
8)
sjtu
set_epel_3_rocky_centos8_9
;;
9)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}
;;
esac
done
}
centos7_epel_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)搜狐镜像源
6)南京大学镜像源
7)中科大镜像源
8)上海交通大学镜像源
9)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-9): " NUM
case ${NUM} in
1)
aliyun
set_epel_centos7
;;
2)
huawei
set_epel_centos7
;;
3)
tencent
set_epel_centos7
;;
4)
tuna
set_epel_centos7
;;
5)
sohu
set_epel_2_centos7
;;
6)
nju
set_epel_centos7
;;
7)
ustc
set_epel_centos7
;;
8)
sjtu
set_epel_3_centos7
;;
9)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}
;;
esac
done
}
rocky_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)base仓库
2)epel仓库
3)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-3): " NUM
case ${NUM} in
1)
rocky8_9_base_menu
;;
2)
rocky_centos8_9_epel_menu
;;
3)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}
;;
esac
done
}
centos_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)base仓库
2)epel仓库
3)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-3): " NUM
case ${NUM} in
1)
if [ ${OS_NAME} == "Stream" ];then
if [ ${OS_RELEASE_VERSION} == "8" ];then
centos_stream8_base_menu
else
centos_stream9_base_menu
fi
else
centos7_base_menu
fi
;;
2)
if [ ${OS_RELEASE_VERSION} == "8" -o ${OS_RELEASE_VERSION} == "9" ];then
rocky_centos8_9_epel_menu
else
centos7_epel_menu
fi
;;
3)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}
;;
esac
done
}
set_apt(){
OLD_URL=`sed -rn "s@^deb http://(.*)/ubuntu/? $(lsb_release -cs) main.*@\1@p" /etc/apt/sources.list`
sed -i.bak 's/'${OLD_URL}'/'${URL}'/g' /etc/apt/sources.list
if [ ${OS_RELEASE_VERSION} == "18" ];then
SEC_URL=`sed -rn "s@^deb http://(.*)/ubuntu $(lsb_release -cs)-security main.*@\1@p" /etc/apt/sources.list`
sed -i.bak 's/'${SEC_URL}'/'${URL}'/g' /etc/apt/sources.list
fi
${COLOR}"更新镜像源中,请稍等..."${END}
apt update &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} APT源设置完成!"${END}
}
apt_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)网易镜像源
6)南京大学镜像源
7)中科大镜像源
8)上海交通大学镜像源
9)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-9): " NUM
case ${NUM} in
1)
aliyun
set_apt
;;
2)
huawei
set_apt
;;
3)
tencent
set_apt
;;
4)
tuna
set_apt
;;
5)
netease
set_apt
;;
6)
nju
set_apt
;;
7)
ustc
set_apt
;;
8)
sjtu
set_apt
;;
9)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}
;;
esac
done
}
set_mirror_repository(){
if [ ${OS_ID} == "CentOS" ];then
centos_menu
elif [ ${OS_ID} == "Rocky" ];then
rocky_menu
else
apt_menu
fi
}
centos_minimal_install(){
${COLOR}'开始安装“Minimal安装建议安装软件包”,请稍等......'${END}
yum -y install gcc make autoconf gcc-c++ glibc glibc-devel pcre pcre-devel openssl openssl-devel systemd-devel zlib-devel vim lrzsz tree tmux lsof tcpdump wget net-tools iotop bc bzip2 zip unzip nfs-utils man-pages &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} Minimal安装建议安装软件包已安装完成!"${END}
}
ubuntu_minimal_install(){
${COLOR}'开始安装“Minimal安装建议安装软件包”,请稍等......'${END}
apt -y install iproute2 ntpdate tcpdump telnet traceroute nfs-kernel-server nfs-common lrzsz tree openssl libssl-dev libpcre3 libpcre3-dev zlib1g-dev gcc openssh-server iotop unzip zip
${COLOR}"${OS_ID} ${OS_RELEASE} Minimal安装建议安装软件包已安装完成!"${END}
}
minimal_install(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ] &> /dev/null;then
centos_minimal_install
else
ubuntu_minimal_install
fi
}
set_mail(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
rpm -q postfix &> /dev/null || { yum -y install postfix &> /dev/null; systemctl enable --now postfix &> /dev/null; }
rpm -q mailx &> /dev/null || yum -y install mailx &> /dev/null
else
dpkg -s mailutils &> /dev/null || apt -y install mailutils
fi
read -p "请输入邮箱地址: " MAIL
read -p "请输入邮箱授权码: " AUTH
SMTP=`echo ${MAIL} |awk -F"@" '{print $2}'`
cat >~/.mailrc <<-EOF
set from=${MAIL}
set smtp=smtp.${SMTP}
set smtp-auth-user=${MAIL}
set smtp-auth-password=${AUTH}
set smtp-auth=login
set ssl-verify=ignore
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} 邮件设置完成,请重新登录后才能生效!"${END}
}
set_sshd_port(){
disable_selinux
disable_firewall
read -p "请输入端口号: " PORT
sed -i 's/#Port 22/Port '${PORT}'/' /etc/ssh/sshd_config
${COLOR}"${OS_ID} ${OS_RELEASE} 更改SSH端口号已完成,请重启系统后生效!"${END}
}
set_centos_eth(){
#修改网卡名称配置文件
if grep -Eqi "(net\.ifnames|biosdevname)" /etc/default/grub;then
${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名配置文件已修改,不用修改!"${END}
else
sed -ri.bak '/^GRUB_CMDLINE_LINUX=/s@"$@ net.ifnames=0 biosdevname=0"@' /etc/default/grub
grub2-mkconfig -o /boot/grub2/grub.cfg >& /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名已修改成功,请重新启动系统后才能生效!"${END}
fi
}
set_ubuntu_eth(){
#修改网卡名称配置文件
if grep -Eqi "(net\.ifnames|biosdevname)" /etc/default/grub;then
${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名配置文件已修改,不用修改!"${END}
else
sed -ri.bak '/^GRUB_CMDLINE_LINUX=/s@"$@net.ifnames=0 biosdevname=0"@' /etc/default/grub
grub-mkconfig -o /boot/grub/grub.cfg >& /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名已修改成功,请重新启动系统后才能生效!"${END}
fi
}
set_eth(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
set_centos_eth
else
set_ubuntu_eth
fi
}
check_ip(){
local IP=$1
VALID_CHECK=$(echo ${IP}|awk -F. '$1<=255&&$2<=255&&$3<=255&&$4<=255{print "yes"}')
if echo ${IP}|grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$" >/dev/null; then
if [ ${VALID_CHECK} == "yes" ]; then
echo "IP ${IP} available!"
return 0
else
echo "IP ${IP} not available!"
return 1
fi
else
echo "IP format error!"
return 1
fi
}
set_centos_ip(){
ETHNAME=`ip addr | awk -F"[ :]" '/^2/{print $3}'`
while true; do
read -p "请输入IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
nmcli connection add type ethernet con-name eth0 ifname eth0 ipv4.method manual ipv4.address "${IP}/${C_PREFIX}" ipv4.gateway "${GATEWAY}" ipv4.dns "223.5.5.5,180.76.76.76" autoconnect yes >& /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,10秒后,机器会自动重启!"${END}
sleep 10
nmcli connection delete ${ETHNAME} >& /dev/null
reboot
}
set_ubuntu_ip(){
while true; do
read -p "请输入IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
cat > /etc/netplan/01-netcfg.yaml <<-EOF
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
dhcp6: no
addresses: [${IP}/${U_PREFIX}]
gateway4: ${GATEWAY}
nameservers:
addresses: [223.5.5.5, 180.76.76.76]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_ubuntu_22_ip(){
while true; do
read -p "请输入IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
cat > /etc/netplan/00-installer-config.yaml <<-EOF
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
dhcp6: no
addresses: [${IP}/${U_PREFIX}]
routes:
- to: default
via: ${GATEWAY}
nameservers:
addresses: [223.5.5.5, 180.76.76.76]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_ip(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
set_centos_ip
elif [ ${OS_RELEASE_VERSION} == "18" -o ${OS_RELEASE_VERSION} == "20" ];then
set_ubuntu_ip
else
set_ubuntu_22_ip
fi
}
set_dual_centos_ip(){
ETHNAME=`ip addr | awk -F"[ :]" '/^2/{print $3}'`
ETHNAME2=`ip addr | awk -F"[ :]" '/^3/{print $3}'`
while true; do
read -p "请输入第一块网卡IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
nmcli connection add type ethernet con-name eth0 ifname eth0 ipv4.method manual ipv4.address "${IP}/${C_PREFIX}" ipv4.gateway "${GATEWAY}" ipv4.dns "223.5.5.5,180.76.76.76" autoconnect yes >& /dev/null
while true; do
read -p "请输入第二块网卡IP地址: " IP2
check_ip ${IP2}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX2
nmcli connection add type ethernet con-name eth1 ifname eth1 ipv4.method manual ipv4.address "${IP2}/${C_PREFIX2}" autoconnect yes >& /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,10秒后,机器会自动重启!"${END}
sleep 10
nmcli connection delete ${ETHNAME} >& /dev/null; nmcli connection delete ${ETHNAME2} >& /dev/null
reboot
}
set_dual_ubuntu_ip(){
while true; do
read -p "请输入第一块网卡IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
while true; do
read -p "请输入第二块网卡IP地址: " IP2
check_ip ${IP2}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX2
cat > /etc/netplan/01-netcfg.yaml <<-EOF
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
dhcp6: no
addresses: [${IP}/${U_PREFIX}]
gateway4: ${GATEWAY}
nameservers:
addresses: [223.5.5.5, 180.76.76.76]
eth1:
dhcp4: no
dhcp6: no
addresses: [${IP2}/${U_PREFIX2}]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_dual_ubuntu_22_ip(){
while true; do
read -p "请输入第一块网卡IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
while true; do
read -p "请输入第二块网卡IP地址: " IP2
check_ip ${IP2}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX2
cat > /etc/netplan/00-installer-config.yaml <<-EOF
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
dhcp6: no
addresses: [${IP}/${U_PREFIX}]
routes:
- to: default
via: ${GATEWAY}
nameservers:
addresses: [223.5.5.5, 180.76.76.76]
eth1:
dhcp4: no
dhcp6: no
addresses: [${IP2}/${U_PREFIX2}]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_dual_ip(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
set_dual_centos_ip
elif [ ${OS_RELEASE_VERSION} == "18" -o ${OS_RELEASE_VERSION} == "20" ];then
set_dual_ubuntu_ip
else
set_dual_ubuntu_22_ip
fi
}
set_hostname(){
read -p "请输入主机名: " HOST
hostnamectl set-hostname ${HOST}
${COLOR}"${OS_ID} ${OS_RELEASE} 主机名设置成功,请重新登录生效!"${END}
}
red(){
P_COLOR=31
}
green(){
P_COLOR=32
}
yellow(){
P_COLOR=33
}
blue(){
P_COLOR=34
}
violet(){
P_COLOR=35
}
cyan_blue(){
P_COLOR=36
}
random_color(){
P_COLOR="$[RANDOM%7+31]"
}
centos_ps1(){
C_PS1=$(echo "PS1='\[\e[1;${P_COLOR}m\][\u@\h \W]\\$ \[\e[0m\]'" >> ~/.bashrc)
}
ubuntu_ps1(){
U_PS1=$(echo 'PS1="\[\e[1;'''${P_COLOR}'''m\]${debian_chroot:+($debian_chroot)}\u@\h:\w\\$ \[\e[0m\]"' >> ~/.bashrc)
}
set_ps1_env(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
if grep -Eqi "^PS1" ~/.bashrc;then
sed -i '/^PS1/d' ~/.bashrc
centos_ps1
else
centos_ps1
fi
fi
if [ ${OS_ID} == "Ubuntu" ];then
if grep -Eqi "^PS1" ~/.bashrc;then
sed -i '/^PS1/d' ~/.bashrc
ubuntu_ps1
else
ubuntu_ps1
fi
fi
}
set_ps1(){
TIPS="${COLOR}${OS_ID} ${OS_RELEASE} PS1设置成功,请重新登录生效!${END}"
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)31 红色
2)32 绿色
3)33 黄色
4)34 蓝色
5)35 紫色
6)36 青色
7)随机颜色
8)退出
EOF
echo -e '\E[0m'
read -p "请输入颜色编号(1-8): " NUM
case ${NUM} in
1)
red
set_ps1_env
${TIPS}
;;
2)
green
set_ps1_env
${TIPS}
;;
3)
yellow
set_ps1_env
${TIPS}
;;
4)
blue
set_ps1_env
${TIPS}
;;
5)
violet
set_ps1_env
${TIPS}
;;
6)
cyan_blue
set_ps1_env
${TIPS}
;;
7)
random_color
set_ps1_env
${TIPS}
;;
8)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}
;;
esac
done
}
set_vim(){
echo "export EDITOR=vim" >> ~/.bashrc
}
set_vim_env(){
if grep -Eqi ".*EDITOR" ~/.bashrc;then
sed -i '/.*EDITOR/d' ~/.bashrc
set_vim
else
set_vim
fi
${COLOR}"${OS_ID} ${OS_RELEASE} 默认文本编辑器设置成功,请重新登录生效!"${END}
}
set_history(){
echo 'export HISTTIMEFORMAT="%F %T "' >> ~/.bashrc
}
set_history_env(){
if grep -Eqi ".*HISTTIMEFORMAT" ~/.bashrc;then
sed -i '/.*HISTTIMEFORMAT/d' ~/.bashrc
set_history
else
set_history
fi
${COLOR}"${OS_ID} ${OS_RELEASE} history格式设置成功,请重新登录生效!"${END}
}
set_swap(){
sed -ri 's/.*swap.*/#&/' /etc/fstab
if [ ${OS_ID} == "Ubuntu" ];then
if [ ${OS_RELEASE_VERSION} == 20 -o ${OS_RELEASE_VERSION} == 22 ];then
SD_NAME=`lsblk|awk -F"[ └─]" '/SWAP/{printf $3}'`
systemctl mask dev-${SD_NAME}.swap &> /dev/null
fi
fi
swapoff -a
${COLOR}"${OS_ID} ${OS_RELEASE} 禁用swap成功!"${END}
}
set_kernel(){
cat > /etc/sysctl.conf <<-EOF
# Controls source route verification
net.ipv4.conf.default.rp_filter = 1
net.ipv4.ip_nonlocal_bind = 1
net.ipv4.ip_forward = 1
# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
# Controls the System Request debugging functionality of the kernel
kernel.sysrq = 0
# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid = 1
# Controls the use of TCP syncookies
net.ipv4.tcp_syncookies = 1
# Disable netfilter on bridges.
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0
# Controls the default maxmimum size of a mesage queue
kernel.msgmnb = 65536
# Controls the maximum size of a message, in bytes
kernel.msgmax = 65536
# Controls the maximum shared segment size, in bytes
kernel.shmmax = 68719476736
# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 4294967296
# TCP kernel paramater
net.ipv4.tcp_mem = 786432 1048576 1572864
net.ipv4.tcp_rmem = 4096 87380 4194304
net.ipv4.tcp_wmem = 4096 16384 4194304
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_sack = 1
# socket buffer
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 262144
net.core.somaxconn = 20480
net.core.optmem_max = 81920
# TCP conn
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_syn_retries = 3
net.ipv4.tcp_retries1 = 3
net.ipv4.tcp_retries2 = 15
# tcp conn reuse
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_max_tw_buckets = 20000
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syncookies = 1
# keepalive conn
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_keepalive_intvl = 30
net.ipv4.tcp_keepalive_probes = 3
net.ipv4.ip_local_port_range = 10001 65000
# swap
vm.overcommit_memory = 0
vm.swappiness = 10
#net.ipv4.conf.eth1.rp_filter = 0
#net.ipv4.conf.lo.arp_ignore = 1
#net.ipv4.conf.lo.arp_announce = 2
#net.ipv4.conf.all.arp_ignore = 1
#net.ipv4.conf.all.arp_announce = 2
EOF
sysctl -p &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} 优化内核参数成功!"${END}
}
set_limits(){
cat >> /etc/security/limits.conf <<-EOF
root soft core unlimited
root hard core unlimited
root soft nproc 1000000
root hard nproc 1000000
root soft nofile 1000000
root hard nofile 1000000
root soft memlock 32000
root hard memlock 32000
root soft msgqueue 8192000
root hard msgqueue 8192000
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} 优化资源限制参数成功!"${END}
}
set_localtime(){
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
echo 'Asia/Shanghai' >/etc/timezone
if [ ${OS_ID} == "Ubuntu" ];then
cat >> /etc/default/locale <<-EOF
LC_TIME=en_DK.UTF-8
EOF
fi
${COLOR}"${OS_ID} ${OS_RELEASE} 系统时区已设置成功,请重启系统后生效!"${END}
}
disable_restart(){
if [ -f /usr/lib/systemd/system/ctrl-alt-del.target ];then
cp /usr/lib/systemd/system/ctrl-alt-del.target{,.bak}
rm -f /usr/lib/systemd/system/ctrl-alt-del.target
${COLOR}"${OS_ID} ${OS_RELEASE} 禁用ctrl+alt+del重启处理成功!"${END}
else
${COLOR}"${OS_ID} ${OS_RELEASE} 禁用ctrl+alt+del已处理!"${END}
fi
}
set_root_login(){
read -p "请输入密码: " PASSWORD
echo ${PASSWORD} |sudo -S sed -ri 's@#(PermitRootLogin )prohibit-password@\1yes@' /etc/ssh/sshd_config
sudo systemctl restart sshd
sudo -S passwd root <<-EOF
${PASSWORD}
${PASSWORD}
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} root用户登录已设置完成,请重新登录后生效!"${END}
}
ubuntu_remove(){
apt purge ufw lxd lxd-client lxcfs liblxc-common
${COLOR}"${OS_ID} ${OS_RELEASE} 无用软件包卸载完成!"${END}
}
menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
********************************************************************
* 初始化脚本菜单 *
* 1.禁用SELinux 15.设置PS1(请进入选择颜色) *
* 2.关闭防火墙 16.设置默认文本编辑器为vim *
* 3.优化SSH 17.设置history格式 *
* 4.设置系统别名 18.禁用SWAP *
* 5.1-4全设置 19.优化内核参数 *
* 6.设置vimrc配置文件 20.优化资源限制参数 *
* 7.设置镜像仓库 21.设置系统时区 *
* 8.Minimal安装建议安装软件 22.禁用ctrl+alt+del重启 *
* 9.安装邮件服务并配置邮件 23.Ubuntu设置root用户登录 *
* 10.更改SSH端口号 24.Ubuntu卸载无用软件包 *
* 11.修改网卡名 25.重启系统 *
* 12.修改IP地址和网关地址(单网卡) 26.关机 *
* 13.修改IP地址和网关地址(双网卡) 27.退出 *
* 14.设置主机名 *
********************************************************************
EOF
echo -e '\E[0m'
read -p "请选择相应的编号(1-27): " choice
case ${choice} in
1)
disable_selinux
;;
2)
disable_firewall
;;
3)
optimization_sshd
;;
4)
set_alias
;;
5)
disable_selinux
disable_firewall
optimization_sshd
set_alias
;;
6)
set_vimrc
;;
7)
set_mirror_repository
;;
8)
minimal_install
;;
9)
set_mail
;;
10)
set_sshd_port
;;
11)
set_eth
;;
12)
set_ip
;;
13)
set_dual_ip
;;
14)
set_hostname
;;
15)
set_ps1
;;
16)
set_vim_env
;;
17)
set_history_env
;;
18)
set_swap
;;
19)
set_kernel
;;
20)
set_limits
;;
21)
set_localtime
;;
22)
disable_restart
;;
23)
set_root_login
;;
24)
ubuntu_remove
;;
25)
reboot
;;
26)
shutdown -h now
;;
27)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-27)!"${END}
;;
esac
done
}
main(){
os
menu
}
main
CentOS Stream 9修改镜像仓库需要下面的perl脚本。
[root@rocky9 ~]# cat update_mirror.pl
#!/usr/bin/perl
use strict;
use warnings;
use autodie;
# 要修改镜像源，请去修改url变量！
my $url = 'mirrors.aliyun.com';
my $mirrors = "https://$url/centos-stream";
if (@ARGV < 1) {
die "Usage: $0 <filename1> <filename2> ...\n";
}
while (my $filename = shift @ARGV) {
my $backup_filename = $filename . '.bak';
rename $filename, $backup_filename;
open my $input, "<", $backup_filename;
open my $output, ">", $filename;
while (<$input>) {
s/^metalink/# metalink/;
if (m/^name/) {
my (undef, $repo, $arch) = split /-/;
$repo =~ s/^\s+|\s+$//g;
($arch = defined $arch ? lc($arch) : '') =~ s/^\s+|\s+$//g;
if ($repo =~ /^Extras/) {
$_ .= "baseurl=${mirrors}/SIGs/\$releasever-stream/extras" . ($arch eq 'source' ? "/${arch}/" : "/\$basearch/") . "extras-common\n";
} else {
$_ .= "baseurl=${mirrors}/\$releasever-stream/$repo" . ($arch eq 'source' ? "/" : "/\$basearch/") . ($arch ne '' ? "${arch}/tree/" : "os") . "\n";
}
}
print $output $_;
}
}
下面是reset_v6_2脚本内容：
[root@rocky9 ~]# cat reset_v6_2.sh
#!/bin/bash
#
#***************************************************************************************************
#Author: Raymond
#QQ: 88563128
#Date: 2023-11-15
#FileName: reset_v6_2.sh
#URL: raymond.blog.csdn.net
#Description: reset for CentOS 7 & CentOS Stream 8/9 & Ubuntu 18.04/20.04/22.04 & Rocky 8/9
#Copyright (C): 2023 All rights reserved
#***************************************************************************************************
COLOR="echo -e \\033[01;31m"
END='\033[0m'
os(){
OS_ID=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+).*"$@\1@p' /etc/os-release`
OS_NAME=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+) (.*)"$@\2@p' /etc/os-release`
OS_RELEASE=`sed -rn '/^VERSION_ID=/s@.*="?([0-9.]+)"?@\1@p' /etc/os-release`
OS_RELEASE_VERSION=`sed -rn '/^VERSION_ID=/s@.*="?([0-9]+)\.?.*"?@\1@p' /etc/os-release`
}
disable_selinux(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
if [ `getenforce` == "Enforcing" ];then
sed -ri.bak 's/^(SELINUX=).*/\1disabled/' /etc/selinux/config
${COLOR}"${OS_ID} ${OS_RELEASE} SELinux已禁用,请重新启动系统后才能生效!"${END}
else
${COLOR}"${OS_ID} ${OS_RELEASE} SELinux已被禁用,不用设置!"${END}
fi
else
${COLOR}"${OS_ID} ${OS_RELEASE} SELinux默认没有安装,不用设置!"${END}
fi
}
disable_firewall(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
rpm -q firewalld &> /dev/null && { systemctl disable --now firewalld &> /dev/null; ${COLOR}"${OS_ID} ${OS_RELEASE} Firewall防火墙已关闭!"${END}; } || ${COLOR}"${OS_ID} ${OS_RELEASE} iptables防火墙已关闭!"${END}
else
dpkg -s ufw &> /dev/null && { systemctl disable --now ufw &> /dev/null; ${COLOR}"${OS_ID} ${OS_RELEASE} ufw防火墙已关闭!"${END}; } || ${COLOR}"${OS_ID} ${OS_RELEASE} 没有ufw防火墙服务,不用关闭！"${END}
fi
}
optimization_sshd(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
sed -ri.bak -e 's/^#(UseDNS).*/\1 no/' -e 's/^(GSSAPIAuthentication).*/\1 no/' /etc/ssh/sshd_config
else
sed -ri.bak -e 's/^#(UseDNS).*/\1 no/' -e 's/^#(GSSAPIAuthentication).*/\1 no/' /etc/ssh/sshd_config
fi
systemctl restart sshd
${COLOR}"${OS_ID} ${OS_RELEASE} SSH已优化完成!"${END}
}
set_centos_alias(){
if [ ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then
cat >>~/.bashrc <<-EOF
alias cdnet="cd /etc/sysconfig/network-scripts"
alias vie0="vim /etc/sysconfig/network-scripts/ifcfg-eth0"
alias vie1="vim /etc/sysconfig/network-scripts/ifcfg-eth1"
alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"
EOF
else
cat >>~/.bashrc <<-EOF
alias cdnet="cd /etc/NetworkManager/system-connections"
alias vie0="vim /etc/NetworkManager/system-connections/eth0.nmconnection"
alias vie1="vim /etc/NetworkManager/system-connections/eth1.nmconnection"
alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"
EOF
fi
${COLOR}"${OS_ID} ${OS_RELEASE} 系统别名已设置成功,请重新登陆后生效!"${END}
}
set_ubuntu_alias(){
cat >>~/.bashrc <<-EOF
alias cdnet="cd /etc/netplan"
alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} 系统别名已设置成功,请重新登陆后生效!"${END}
}
set_alias(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
if grep -Eqi "(.*cdnet|.*vie0|.*vie1|.*scandisk)" ~/.bashrc;then
sed -i -e '/.*cdnet/d' -e '/.*vie0/d' -e '/.*vie1/d' -e '/.*scandisk/d' ~/.bashrc
set_centos_alias
else
set_centos_alias
fi
fi
if [ ${OS_ID} == "Ubuntu" ];then
if grep -Eqi "(.*cdnet|.*scandisk)" ~/.bashrc;then
sed -i -e '/.*cdnet/d' -e '/.*scandisk/d' ~/.bashrc
set_ubuntu_alias
else
set_ubuntu_alias
fi
fi
}
set_vimrc(){
read -p "请输入作者名: " AUTHOR
read -p "请输入QQ号: " QQ
read -p "请输入网址: " V_URL
cat >~/.vimrc <<-EOF
set ts=4
set expandtab
set ignorecase
set cursorline
set autoindent
autocmd BufNewFile *.sh exec ":call SetTitle()"
func SetTitle()
if expand("%:e") == 'sh'
call setline(1,"#!/bin/bash")
call setline(2,"#")
call setline(3,"#**********************************************************************************************")
call setline(4,"#Author: ${AUTHOR}")
call setline(5,"#QQ: ${QQ}")
call setline(6,"#Date: ".strftime("%Y-%m-%d"))
call setline(7,"#FileName: ".expand("%"))
call setline(8,"#URL: ${V_URL}")
call setline(9,"#Description: The test script")
call setline(10,"#Copyright (C): ".strftime("%Y")." All rights reserved")
call setline(11,"#*********************************************************************************************")
call setline(12,"")
endif
endfunc
autocmd BufNewFile * normal G
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} vimrc设置完成,请重新系统启动才能生效!"${END}
}
aliyun(){
URL=mirrors.aliyun.com
}
huawei(){
URL=repo.huaweicloud.com
}
tencent(){
URL=mirrors.tencent.com
}
tuna(){
URL=mirrors.tuna.tsinghua.edu.cn
}
netease(){
URL=mirrors.163.com
}
sohu(){
URL=mirrors.sohu.com
}
nju(){
URL=mirrors.nju.edu.cn
}
ustc(){
URL=mirrors.ustc.edu.cn
}
sjtu(){
URL=mirrors.sjtug.sjtu.edu.cn
}
set_yum_rocky9(){
[ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup
(ls -l /etc/yum.repos.d/ |grep -q repo) && mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup || ${COLOR}"没有repo文件!"${END}
cat > /etc/yum.repos.d/base.repo <<-EOF
[BaseOS]
name=BaseOS
baseurl=https://${URL}/rocky/\$releasever/BaseOS/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Rocky-\$releasever
[AppStream]
name=AppStream
baseurl=https://${URL}/rocky/\$releasever/AppStream/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Rocky-\$releasever
[extras]
name=extras
baseurl=https://${URL}/rocky/\$releasever/extras/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Rocky-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_yum_rocky9_2(){
[ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup
(ls -l /etc/yum.repos.d/ |grep -q repo) && mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup || ${COLOR}"没有repo文件!"${END}
cat > /etc/yum.repos.d/base.repo <<-EOF
[BaseOS]
name=BaseOS
baseurl=https://${URL}/rockylinux/\$releasever/BaseOS/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Rocky-\$releasever
[AppStream]
name=AppStream
baseurl=https://${URL}/rockylinux/\$releasever/AppStream/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Rocky-\$releasever
[extras]
name=extras
baseurl=https://${URL}/rockylinux/\$releasever/extras/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Rocky-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_yum_rocky8(){
[ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup
(ls -l /etc/yum.repos.d/ |grep -q repo) && mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup || ${COLOR}"没有repo文件!"${END}
cat > /etc/yum.repos.d/base.repo <<-EOF
[BaseOS]
name=BaseOS
baseurl=https://${URL}/rocky/\$releasever/BaseOS/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
[AppStream]
name=AppStream
baseurl=https://${URL}/rocky/\$releasever/AppStream/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
[extras]
name=extras
baseurl=https://${URL}/rocky/\$releasever/extras/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_yum_rocky8_2(){
[ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup
(ls -l /etc/yum.repos.d/ |grep -q repo) && mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup || ${COLOR}"没有repo文件!"${END}
cat > /etc/yum.repos.d/base.repo <<-EOF
[BaseOS]
name=BaseOS
baseurl=https://${URL}/rockylinux/\$releasever/BaseOS/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
[AppStream]
name=AppStream
baseurl=https://${URL}/rockylinux/\$releasever/AppStream/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
[extras]
name=extras
baseurl=https://${URL}/rockylinux/\$releasever/extras/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_yum_centos_stream9(){
[ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup
(ls -l /etc/yum.repos.d/ |grep -q repo) && mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup || ${COLOR}"没有repo文件!"${END}
cat > /etc/yum.repos.d/base.repo <<-EOF
[BaseOS]
name=BaseOS
baseurl=https://${URL}/centos-stream/\$stream/BaseOS/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[AppStream]
name=AppStream
baseurl=https://${URL}/centos-stream/\$stream/AppStream/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[extras-common]
name=extras-common
baseurl=https://${URL}/centos-stream/SIGs/\$stream/extras/\$basearch/extras-common/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_yum_centos_stream8(){
[ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup
(ls -l /etc/yum.repos.d/ |grep -q repo) && mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup || ${COLOR}"没有repo文件!"${END}
cat > /etc/yum.repos.d/base.repo <<-EOF
[BaseOS]
name=BaseOS
baseurl=https://${URL}/centos/\$stream/BaseOS/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[AppStream]
name=AppStream
baseurl=https://${URL}/centos/\$stream/AppStream/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[extras]
name=extras
baseurl=https://${URL}/centos/\$stream/extras/\$basearch/os/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_epel_rocky_centos8_9(){
cat > /etc/yum.repos.d/epel.repo <<-EOF
[epel]
name=epel
baseurl=https://${URL}/epel/\$releasever/Everything/\$basearch/
gpgcheck=1
gpgkey=https://${URL}/epel/RPM-GPG-KEY-EPEL-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_epel_2_rocky_centos8_9(){
cat > /etc/yum.repos.d/epel.repo <<-EOF
[epel]
name=epel
baseurl=https://${URL}/fedora-epel/\$releasever/Everything/\$basearch/
gpgcheck=1
gpgkey=https://${URL}/fedora-epel/RPM-GPG-KEY-EPEL-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_epel_3_rocky_centos8_9(){
cat > /etc/yum.repos.d/epel.repo <<-EOF
[epel]
name=epel
baseurl=https://${URL}/fedora/epel/\$releasever/Everything/\$basearch/
gpgcheck=1
gpgkey=https://${URL}/fedora/epel/RPM-GPG-KEY-EPEL-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
dnf clean all &> /dev/null
dnf makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_yum_centos7(){
[ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup
(ls -l /etc/yum.repos.d/ |grep -q repo) && mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup || ${COLOR}"没有repo文件!"${END}
cat > /etc/yum.repos.d/base.repo <<-EOF
[base]
name=base
baseurl=https://${URL}/centos/\$releasever/os/\$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever
[extras]
name=extras
baseurl=https://${URL}/centos/\$releasever/extras/\$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever
[updates]
name=updates
baseurl=https://${URL}/centos/\$releasever/updates/\$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
yum clean all &> /dev/null
yum makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}
}
set_epel_centos7(){
cat > /etc/yum.repos.d/epel.repo <<-EOF
[epel]
name=epel
baseurl=https://${URL}/epel/\$releasever/\$basearch/
gpgcheck=1
gpgkey=https://${URL}/epel/RPM-GPG-KEY-EPEL-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
yum clean all &> /dev/null
yum makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_epel_2_centos7(){
cat > /etc/yum.repos.d/epel.repo <<-EOF
[epel]
name=epel
baseurl=https://${URL}/fedora-epel/\$releasever/\$basearch/
gpgcheck=1
gpgkey=https://${URL}/fedora-epel/RPM-GPG-KEY-EPEL-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
yum clean all &> /dev/null
yum makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
set_epel_3_centos7(){
cat > /etc/yum.repos.d/epel.repo <<-EOF
[epel]
name=epel
baseurl=https://${URL}/fedora/epel/\$releasever/\$basearch/
gpgcheck=1
gpgkey=https://${URL}/fedora/epel/RPM-GPG-KEY-EPEL-\$releasever
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
yum clean all &> /dev/null
yum makecache &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}
}
rocky9_base_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)网易镜像源
3)搜狐镜像源
4)南京大学镜像源
5)中科大镜像源
6)上海交通大学镜像源
7)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-7): " NUM
case ${NUM} in
1)
aliyun
set_yum_rocky9_2
;;
2)
netease
set_yum_rocky9
;;
3)
sohu
set_yum_rocky9
;;
4)
nju
set_yum_rocky9
;;
5)
ustc
set_yum_rocky9
;;
6)
sjtu
set_yum_rocky9
;;
7)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-7)!"${END}
;;
esac
done
}
rocky8_base_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)网易镜像源
3)搜狐镜像源
4)南京大学镜像源
5)中科大镜像源
6)上海交通大学镜像源
7)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-7): " NUM
case ${NUM} in
1)
aliyun
set_yum_rocky8_2
;;
2)
netease
set_yum_rocky8
;;
3)
sohu
set_yum_rocky8
;;
4)
nju
set_yum_rocky8
;;
5)
ustc
set_yum_rocky8
;;
6)
sjtu
set_yum_rocky8
;;
7)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-7)!"${END}
;;
esac
done
}
centos_stream9_base_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)清华镜像源
3)南京大学镜像源
4)中科大镜像源
5)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-5): " NUM
case ${NUM} in
1)
aliyun
set_yum_centos_stream9
;;
2)
tuna
set_yum_centos_stream9
;;
3)
nju
set_yum_centos_stream9
;;
4)
ustc
set_yum_centos_stream9
;;
5)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-5)!"${END}
;;
esac
done
}
centos_stream8_base_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)网易镜像源
6)南京大学镜像源
7)中科大镜像源
8)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-8): " NUM
case ${NUM} in
1)
aliyun
set_yum_centos_stream8
;;
2)
huawei
set_yum_centos_stream8
;;
3)
tencent
set_yum_centos_stream8
;;
4)
tuna
set_yum_centos_stream8
;;
5)
netease
set_yum_centos_stream8
;;
6)
nju
set_yum_centos_stream8
;;
7)
ustc
set_yum_centos_stream8
;;
8)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}
;;
esac
done
}
centos7_base_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)网易镜像源
6)南京大学镜像源
7)中科大镜像源
8)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-8): " NUM
case ${NUM} in
1)
aliyun
set_yum_centos7
;;
2)
huawei
set_yum_centos7
;;
3)
tencent
set_yum_centos7
;;
4)
tuna
set_yum_centos7
;;
5)
netease
set_yum_centos7
;;
6)
nju
set_yum_centos7
;;
7)
ustc
set_yum_centos7
;;
8)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}
;;
esac
done
}
rocky_centos8_9_epel_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)搜狐镜像源
6)南京大学镜像源
7)中科大镜像源
8)上海交通大学镜像源
9)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-9): " NUM
case ${NUM} in
1)
aliyun
set_epel_rocky_centos8_9
;;
2)
huawei
set_epel_rocky_centos8_9
;;
3)
tencent
set_epel_rocky_centos8_9
;;
4)
tuna
set_epel_rocky_centos8_9
;;
5)
sohu
set_epel_2_rocky_centos8_9
;;
6)
nju
set_epel_rocky_centos8_9
;;
7)
ustc
set_epel_rocky_centos8_9
;;
8)
sjtu
set_epel_3_rocky_centos8_9
;;
9)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}
;;
esac
done
}
centos7_epel_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)搜狐镜像源
6)南京大学镜像源
7)中科大镜像源
8)上海交通大学镜像源
9)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-9): " NUM
case ${NUM} in
1)
aliyun
set_epel_centos7
;;
2)
huawei
set_epel_centos7
;;
3)
tencent
set_epel_centos7
;;
4)
tuna
set_epel_centos7
;;
5)
sohu
set_epel_2_centos7
;;
6)
nju
set_epel_centos7
;;
7)
ustc
set_epel_centos7
;;
8)
sjtu
set_epel_3_centos7
;;
9)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}
;;
esac
done
}
rocky_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)base仓库
2)epel仓库
3)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-3): " NUM
case ${NUM} in
1)
if [ ${OS_RELEASE_VERSION} == "8" ];then
rocky8_base_menu
else
rocky9_base_menu
fi
;;
2)
rocky_centos8_9_epel_menu
;;
3)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}
;;
esac
done
}
centos_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)base仓库
2)epel仓库
3)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-3): " NUM
case ${NUM} in
1)
if [ ${OS_NAME} == "Stream" ];then
if [ ${OS_RELEASE_VERSION} == "8" ];then
centos_stream8_base_menu
else
centos_stream9_base_menu
fi
else
centos7_base_menu
fi
;;
2)
if [ ${OS_RELEASE_VERSION} == "8" -o ${OS_RELEASE_VERSION} == "9" ];then
rocky_centos8_9_epel_menu
else
rocky_centos7_epel_menu
fi
;;
3)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}
;;
esac
done
}
set_apt(){
mv /etc/apt/sources.list /etc/apt/sources.list.bak
cat > /etc/apt/sources.list <<-EOF
deb http://${URL}/ubuntu/ $(lsb_release -cs) main restricted universe multiverse
deb-src http://${URL}/ubuntu/ $(lsb_release -cs) main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-security main restricted universe multiverse
deb-src http://${URL}/ubuntu/ $(lsb_release -cs)-security main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-updates main restricted universe multiverse
deb-src http://${URL}/ubuntu/ $(lsb_release -cs)-updates main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-proposed main restricted universe multiverse
deb-src http://${URL}/ubuntu/ $(lsb_release -cs)-proposed main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-backports main restricted universe multiverse
deb-src http://${URL}/ubuntu/ $(lsb_release -cs)-backports main restricted universe multiverse
EOF
${COLOR}"更新镜像源中,请稍等..."${END}
apt update &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} APT源设置完成!"${END}
}
apt_menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)阿里镜像源
2)华为镜像源
3)腾讯镜像源
4)清华镜像源
5)网易镜像源
6)南京大学镜像源
7)中科大镜像源
8)上海交通大学镜像源
9)退出
EOF
echo -e '\E[0m'
read -p "请输入镜像源编号(1-9): " NUM
case ${NUM} in
1)
aliyun
set_apt
;;
2)
huawei
set_apt
;;
3)
tencent
set_apt
;;
4)
tuna
set_apt
;;
5)
netease
set_apt
;;
6)
nju
set_apt
;;
7)
ustc
set_apt
;;
8)
sjtu
set_apt
;;
9)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}
;;
esac
done
}
set_mirror_repository(){
if [ ${OS_ID} == "CentOS" ];then
centos_menu
elif [ ${OS_ID} == "Rocky" ];then
rocky_menu
else
apt_menu
fi
}
centos_minimal_install(){
${COLOR}'开始安装“Minimal安装建议安装软件包”,请稍等......'${END}
yum -y install gcc make autoconf gcc-c++ glibc glibc-devel pcre pcre-devel openssl openssl-devel systemd-devel zlib-devel vim lrzsz tree tmux lsof tcpdump wget net-tools iotop bc bzip2 zip unzip nfs-utils man-pages &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} Minimal安装建议安装软件包已安装完成!"${END}
}
ubuntu_minimal_install(){
${COLOR}'开始安装“Minimal安装建议安装软件包”,请稍等......'${END}
apt -y install iproute2 ntpdate tcpdump telnet traceroute nfs-kernel-server nfs-common lrzsz tree openssl libssl-dev libpcre3 libpcre3-dev zlib1g-dev gcc openssh-server iotop unzip zip
${COLOR}"${OS_ID} ${OS_RELEASE} Minimal安装建议安装软件包已安装完成!"${END}
}
minimal_install(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ] &> /dev/null;then
centos_minimal_install
else
ubuntu_minimal_install
fi
}
set_mail(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
rpm -q postfix &> /dev/null || { yum -y install postfix &> /dev/null; systemctl enable --now postfix &> /dev/null; }
rpm -q mailx &> /dev/null || yum -y install mailx &> /dev/null
else
dpkg -s mailutils &> /dev/null || apt -y install mailutils
fi
read -p "请输入邮箱地址: " MAIL
read -p "请输入邮箱授权码: " AUTH
SMTP=`echo ${MAIL} |awk -F"@" '{print $2}'`
cat >~/.mailrc <<-EOF
set from=${MAIL}
set smtp=smtp.${SMTP}
set smtp-auth-user=${MAIL}
set smtp-auth-password=${AUTH}
set smtp-auth=login
set ssl-verify=ignore
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} 邮件设置完成,请重新登录后才能生效!"${END}
}
set_sshd_port(){
disable_selinux
disable_firewall
read -p "请输入端口号: " PORT
sed -i 's/#Port 22/Port '${PORT}'/' /etc/ssh/sshd_config
${COLOR}"${OS_ID} ${OS_RELEASE} 更改SSH端口号已完成,请重启系统后生效!"${END}
}
set_centos_eth(){
ETHNAME=`ip addr | awk -F"[ :]" '/^2/{print $3}'`
#修改网卡名称配置文件
if grep -Eqi "(net\.ifnames|biosdevname)" /etc/default/grub;then
${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名配置文件已修改,不用修改!"${END}
else
sed -ri.bak '/^GRUB_CMDLINE_LINUX=/s@"$@ net.ifnames=0 biosdevname=0"@' /etc/default/grub
grub2-mkconfig -o /boot/grub2/grub.cfg >& /dev/null
fi
#修改网卡文件名
if [ ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then
mv /etc/sysconfig/network-scripts/ifcfg-${ETHNAME} /etc/sysconfig/network-scripts/ifcfg-eth0
else
mv /etc/NetworkManager/system-connections/${ETHNAME}.nmconnection /etc/NetworkManager/system-connections/eth0.nmconnection
fi
${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名已修改成功，请重新启动系统后才能生效!"${END}
}
set_ubuntu_eth(){
#修改网卡名称配置文件
if grep -Eqi "(net\.ifnames|biosdevname)" /etc/default/grub;then
${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名配置文件已修改,不用修改!"${END}
else
sed -ri.bak '/^GRUB_CMDLINE_LINUX=/s@"$@net.ifnames=0 biosdevname=0"@' /etc/default/grub
grub-mkconfig -o /boot/grub/grub.cfg >& /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名已修改成功,请重新启动系统后才能生效!"${END}
fi
}
set_eth(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
set_centos_eth
else
set_ubuntu_eth
fi
}
check_ip(){
local IP=$1
VALID_CHECK=$(echo ${IP}|awk -F. '$1<=255&&$2<=255&&$3<=255&&$4<=255{print "yes"}')
if echo ${IP}|grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$" >/dev/null; then
if [ ${VALID_CHECK} == "yes" ]; then
echo "IP ${IP} available!"
return 0
else
echo "IP ${IP} not available!"
return 1
fi
else
echo "IP format error!"
return 1
fi
}
set_centos_ip(){
while true; do
read -p "请输入IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
cat > /etc/sysconfig/network-scripts/ifcfg-eth0 <<-EOF
NAME=eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=none
TYPE=Ethernet
IPADDR=${IP}
PREFIX=${C_PREFIX}
GATEWAY=${GATEWAY}
DNS1=223.5.5.5
DNS2=180.76.76.76
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_centos_9_ip(){
while true; do
read -p "请输入IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
cat > /etc/NetworkManager/system-connections/eth0.nmconnection <<-EOF
[connection]
id=eth0
type=ethernet
interface-name=eth0
[ethernet]
[ipv4]
address1=${IP}/${C_PREFIX},${GATEWAY}
dns=223.5.5.5;180.76.76.76;
method=manual
[ipv6]
addr-gen-mode=default
method=auto
[proxy]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_ubuntu_ip(){
while true; do
read -p "请输入IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
cat > /etc/netplan/01-netcfg.yaml <<-EOF
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
dhcp6: no
addresses: [${IP}/${U_PREFIX}]
gateway4: ${GATEWAY}
nameservers:
addresses: [223.5.5.5, 180.76.76.76]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_ubuntu_22_ip(){
while true; do
read -p "请输入IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
cat > /etc/netplan/00-installer-config.yaml <<-EOF
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
dhcp6: no
addresses: [${IP}/${U_PREFIX}]
routes:
- to: default
via: ${GATEWAY}
nameservers:
addresses: [223.5.5.5, 180.76.76.76]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_ip(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
if [ ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then
set_centos_ip
else
set_centos_9_ip
fi
elif [ ${OS_RELEASE_VERSION} == "18" -o ${OS_RELEASE_VERSION} == "20" ];then
set_dual_ubuntu_ip
else
set_dual_ubuntu_22_ip
fi
}
set_dual_centos_ip(){
while true; do
read -p "请输入第一块网卡IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
cat > /etc/sysconfig/network-scripts/ifcfg-eth0 <<-EOF
NAME=eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=none
TYPE=Ethernet
IPADDR=${IP}
PREFIX=${C_PREFIX}
GATEWAY=${GATEWAY}
DNS1=223.5.5.5
DNS2=180.76.76.76
EOF
while true; do
read -p "请输入第二块网卡IP地址: " IP2
check_ip ${IP2}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX2
cat > /etc/sysconfig/network-scripts/ifcfg-eth1 <<-EOF
NAME=eth1
DEVICE=eth1
ONBOOT=yes
BOOTPROTO=none
TYPE=Ethernet
IPADDR=${IP2}
PREFIX=${C_PREFIX2}
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_dual_centos_9_ip(){
while true; do
read -p "请输入第一块网卡IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
cat > /etc/NetworkManager/system-connections/eth0.nmconnection <<-EOF
[connection]
id=eth0
type=ethernet
interface-name=eth0
[ethernet]
[ipv4]
address1=${IP}/${C_PREFIX},${GATEWAY}
dns=223.5.5.5;180.76.76.76;
method=manual
[ipv6]
addr-gen-mode=default
method=auto
[proxy]
EOF
while true; do
read -p "请输入第二块网卡IP地址: " IP2
check_ip ${IP2}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " C_PREFIX2
cat > /etc/NetworkManager/system-connections/eth1.nmconnection <<-EOF
[connection]
id=eth1
type=ethernet
interface-name=eth1
[ethernet]
[ipv4]
address1=${IP2}/${C_PREFIX2}
method=manual
[ipv6]
addr-gen-mode=default
method=auto
[proxy]
EOF
chmod 600 /etc/NetworkManager/system-connections/eth1.nmconnection
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_dual_ubuntu_ip(){
while true; do
read -p "请输入第一块网卡IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
while true; do
read -p "请输入第二块网卡IP地址: " IP2
check_ip ${IP2}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX2
cat > /etc/netplan/01-netcfg.yaml <<-EOF
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
dhcp6: no
addresses: [${IP}/${U_PREFIX}]
gateway4: ${GATEWAY}
nameservers:
addresses: [223.5.5.5, 180.76.76.76]
eth1:
dhcp4: no
dhcp6: no
addresses: [${IP2}/${U_PREFIX2}]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_dual_ubuntu_22_ip(){
while true; do
read -p "请输入第一块网卡IP地址: " IP
check_ip ${IP}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX
while true; do
read -p "请输入网关地址: " GATEWAY
check_ip ${GATEWAY}
[ $? -eq 0 ] && break
done
while true; do
read -p "请输入第二块网卡IP地址: " IP2
check_ip ${IP2}
[ $? -eq 0 ] && break
done
read -p "请输入子网掩码位数: " U_PREFIX2
cat > /etc/netplan/00-installer-config.yaml <<-EOF
network:
version: 2
renderer: networkd
ethernets:
eth0:
dhcp4: no
dhcp6: no
addresses: [${IP}/${U_PREFIX}]
routes:
- to: default
via: ${GATEWAY}
nameservers:
addresses: [223.5.5.5, 180.76.76.76]
eth1:
dhcp4: no
dhcp6: no
addresses: [${IP2}/${U_PREFIX2}]
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}
}
set_dual_ip(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
if [ ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then
set_dual_centos_ip
else
set_dual_centos_9_ip
fi
elif [ ${OS_RELEASE_VERSION} == "18" -o ${OS_RELEASE_VERSION} == "20" ];then
set_dual_ubuntu_ip
else
set_dual_ubuntu_22_ip
fi
}
set_hostname(){
read -p "请输入主机名: " HOST
hostnamectl set-hostname ${HOST}
${COLOR}"${OS_ID} ${OS_RELEASE} 主机名设置成功,请重新登录生效!"${END}
}
red(){
P_COLOR=31
}
green(){
P_COLOR=32
}
yellow(){
P_COLOR=33
}
blue(){
P_COLOR=34
}
violet(){
P_COLOR=35
}
cyan_blue(){
P_COLOR=36
}
random_color(){
P_COLOR="$[RANDOM%7+31]"
}
centos_ps1(){
C_PS1=$(echo "PS1='\[\e[1;${P_COLOR}m\][\u@\h \W]\\$ \[\e[0m\]'" >> ~/.bashrc)
}
ubuntu_ps1(){
U_PS1=$(echo 'PS1="\[\e[1;'''${P_COLOR}'''m\]${debian_chroot:+($debian_chroot)}\u@\h:\w\\$ \[\e[0m\]"' >> ~/.bashrc)
}
set_ps1_env(){
if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then
if grep -Eqi "^PS1" ~/.bashrc;then
sed -i '/^PS1/d' ~/.bashrc
centos_ps1
else
centos_ps1
fi
fi
if [ ${OS_ID} == "Ubuntu" ];then
if grep -Eqi "^PS1" ~/.bashrc;then
sed -i '/^PS1/d' ~/.bashrc
ubuntu_ps1
else
ubuntu_ps1
fi
fi
}
set_ps1(){
TIPS="${COLOR}${OS_ID} ${OS_RELEASE} PS1设置成功,请重新登录生效!${END}"
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
1)31 红色
2)32 绿色
3)33 黄色
4)34 蓝色
5)35 紫色
6)36 青色
7)随机颜色
8)退出
EOF
echo -e '\E[0m'
read -p "请输入颜色编号(1-8): " NUM
case ${NUM} in
1)
red
set_ps1_env
${TIPS}
;;
2)
green
set_ps1_env
${TIPS}
;;
3)
yellow
set_ps1_env
${TIPS}
;;
4)
blue
set_ps1_env
${TIPS}
;;
5)
violet
set_ps1_env
${TIPS}
;;
6)
cyan_blue
set_ps1_env
${TIPS}
;;
7)
random_color
set_ps1_env
${TIPS}
;;
8)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}
;;
esac
done
}
set_vim(){
echo "export EDITOR=vim" >> ~/.bashrc
}
set_vim_env(){
if grep -Eqi ".*EDITOR" ~/.bashrc;then
sed -i '/.*EDITOR/d' ~/.bashrc
set_vim
else
set_vim
fi
${COLOR}"${OS_ID} ${OS_RELEASE} 默认文本编辑器设置成功,请重新登录生效!"${END}
}
set_history(){
echo 'export HISTTIMEFORMAT="%F %T "' >> ~/.bashrc
}
set_history_env(){
if grep -Eqi ".*HISTTIMEFORMAT" ~/.bashrc;then
sed -i '/.*HISTTIMEFORMAT/d' ~/.bashrc
set_history
else
set_history
fi
${COLOR}"${OS_ID} ${OS_RELEASE} history格式设置成功,请重新登录生效!"${END}
}
set_swap(){
sed -ri 's/.*swap.*/#&/' /etc/fstab
if [ ${OS_ID} == "Ubuntu" ];then
if [ ${OS_RELEASE_VERSION} == 20 -o ${OS_RELEASE_VERSION} == 22 ];then
SD_NAME=`lsblk|awk -F"[ └─]" '/SWAP/{printf $3}'`
systemctl mask dev-${SD_NAME}.swap &> /dev/null
fi
fi
swapoff -a
${COLOR}"${OS_ID} ${OS_RELEASE} 禁用swap成功!"${END}
}
set_kernel(){
cat > /etc/sysctl.conf <<-EOF
# Controls source route verification
net.ipv4.conf.default.rp_filter = 1
net.ipv4.ip_nonlocal_bind = 1
net.ipv4.ip_forward = 1
# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
# Controls the System Request debugging functionality of the kernel
kernel.sysrq = 0
# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid = 1
# Controls the use of TCP syncookies
net.ipv4.tcp_syncookies = 1
# Disable netfilter on bridges.
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0
# Controls the default maxmimum size of a mesage queue
kernel.msgmnb = 65536
# Controls the maximum size of a message, in bytes
kernel.msgmax = 65536
# Controls the maximum shared segment size, in bytes
kernel.shmmax = 68719476736
# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 4294967296
# TCP kernel paramater
net.ipv4.tcp_mem = 786432 1048576 1572864
net.ipv4.tcp_rmem = 4096 87380 4194304
net.ipv4.tcp_wmem = 4096 16384 4194304
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_sack = 1
# socket buffer
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 262144
net.core.somaxconn = 20480
net.core.optmem_max = 81920
# TCP conn
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_syn_retries = 3
net.ipv4.tcp_retries1 = 3
net.ipv4.tcp_retries2 = 15
# tcp conn reuse
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_max_tw_buckets = 20000
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syncookies = 1
# keepalive conn
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_keepalive_intvl = 30
net.ipv4.tcp_keepalive_probes = 3
net.ipv4.ip_local_port_range = 10001 65000
# swap
vm.overcommit_memory = 0
vm.swappiness = 10
#net.ipv4.conf.eth1.rp_filter = 0
#net.ipv4.conf.lo.arp_ignore = 1
#net.ipv4.conf.lo.arp_announce = 2
#net.ipv4.conf.all.arp_ignore = 1
#net.ipv4.conf.all.arp_announce = 2
EOF
sysctl -p &> /dev/null
${COLOR}"${OS_ID} ${OS_RELEASE} 优化内核参数成功!"${END}
}
set_limits(){
cat >> /etc/security/limits.conf <<-EOF
root soft core unlimited
root hard core unlimited
root soft nproc 1000000
root hard nproc 1000000
root soft nofile 1000000
root hard nofile 1000000
root soft memlock 32000
root hard memlock 32000
root soft msgqueue 8192000
root hard msgqueue 8192000
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} 优化资源限制参数成功!"${END}
}
set_localtime(){
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
echo 'Asia/Shanghai' >/etc/timezone
if [ ${OS_ID} == "Ubuntu" ];then
cat >> /etc/default/locale <<-EOF
LC_TIME=en_DK.UTF-8
EOF
fi
${COLOR}"${OS_ID} ${OS_RELEASE} 系统时区已设置成功,请重启系统后生效!"${END}
}
disable_restart(){
if [ -f /usr/lib/systemd/system/ctrl-alt-del.target ];then
cp /usr/lib/systemd/system/ctrl-alt-del.target{,.bak}
rm -f /usr/lib/systemd/system/ctrl-alt-del.target
${COLOR}"${OS_ID} ${OS_RELEASE} 禁用ctrl+alt+del重启处理成功!"${END}
else
${COLOR}"${OS_ID} ${OS_RELEASE} 禁用ctrl+alt+del已处理!"${END}
fi
}
set_root_login(){
read -p "请输入密码: " PASSWORD
echo ${PASSWORD} |sudo -S sed -ri 's@#(PermitRootLogin )prohibit-password@\1yes@' /etc/ssh/sshd_config
sudo systemctl restart sshd
sudo -S passwd root <<-EOF
${PASSWORD}
${PASSWORD}
EOF
${COLOR}"${OS_ID} ${OS_RELEASE} root用户登录已设置完成,请重新登录后生效!"${END}
}
ubuntu_remove(){
apt purge ufw lxd lxd-client lxcfs liblxc-common
${COLOR}"${OS_ID} ${OS_RELEASE} 无用软件包卸载完成!"${END}
}
menu(){
while true;do
echo -e "\E[$[RANDOM%7+31];1m"
cat <<-EOF
********************************************************************
* 初始化脚本菜单 *
* 1.禁用SELinux 15.设置PS1(请进入选择颜色) *
* 2.关闭防火墙 16.设置默认文本编辑器为vim *
* 3.优化SSH 17.设置history格式 *
* 4.设置系统别名 18.禁用SWAP *
* 5.1-4全设置 19.优化内核参数 *
* 6.设置vimrc配置文件 20.优化资源限制参数 *
* 7.设置镜像仓库 21.设置系统时区 *
* 8.Minimal安装建议安装软件 22.禁用ctrl+alt+del重启 *
* 9.安装邮件服务并配置邮件 23.Ubuntu设置root用户登录 *
* 10.更改SSH端口号 24.Ubuntu卸载无用软件包 *
* 11.修改网卡名 25.重启系统 *
* 12.修改IP地址和网关地址(单网卡) 26.关机 *
* 13.修改IP地址和网关地址(双网卡) 27.退出 *
* 14.设置主机名 *
********************************************************************
EOF
echo -e '\E[0m'
read -p "请选择相应的编号(1-27): " choice
case ${choice} in
1)
disable_selinux
;;
2)
disable_firewall
;;
3)
optimization_sshd
;;
4)
set_alias
;;
5)
disable_selinux
disable_firewall
optimization_sshd
set_alias
;;
6)
set_vimrc
;;
7)
set_mirror_repository
;;
8)
minimal_install
;;
9)
set_mail
;;
10)
set_sshd_port
;;
11)
set_eth
;;
12)
set_ip
;;
13)
set_dual_ip
;;
14)
set_hostname
;;
15)
set_ps1
;;
16)
set_vim_env
;;
17)
set_history_env
;;
18)
set_swap
;;
19)
set_kernel
;;
20)
set_limits
;;
21)
set_localtime
;;
22)
disable_restart
;;
23)
set_root_login
;;
24)
ubuntu_remove
;;
25)
reboot
;;
26)
shutdown -h now
;;
27)
break
;;
*)
${COLOR}"输入错误,请输入正确的数字(1-27)!"${END}
;;
esac
done
}
main(){
os
menu
}
main