openssl TXT_DB error number 2 failed to update database
产生的原因是:
This thing happens when certificates share common data. You cannot have two
certificates that look otherwise the same.
方法一:
修改demoCA下 index.txt.attr
将
unique_subject = yes
改为
unique_subject = no
方法二:
删除demoCA下的index.txt,并再touch下
rm index.txt touch index.txt
方法三:
将 common name设置成不同的