Linux 用户设置密码复杂度要求
# /etc/security/pwquality.conf minlen = 12 dcredit = -1 ucredit = -1 lcredit = -1 ocredit = -1 minclass = 4 # 将文件内容修改为上述内容，意为：开启长度检测为12，密码最小位数一位检测，开启大写字母检测，开启小写字母检测，开启其他符号检测，且开启最少应用上述类别的四种。
# /etc/security/pwquality.conf minlen = 12 dcredit = -1 ucredit = -1 lcredit = -1 ocredit = -1 minclass = 4 # 将文件内容修改为上述内容，意为：开启长度检测为12，密码最小位数一位检测，开启大写字母检测，开启小写字母检测，开启其他符号检测，且开启最少应用上述类别的四种。