代码语言：javascript复制
vi user-password-expiration-check.sh
#!/bin/sh
for user in $(cat /etc/passwd |cut -d: -f1)
do echo $user
chage -l $user | grep "Password expires"
done | paste -d " " - - | sed 's/Password expires//g'
chmod x user-password-expiration-check.sh查看root的过期时间
代码语言：javascript复制#/bin/bash
# 从 1970 年 1 月 1 日 00:00:00 UTC 到目前为止的秒数（时间戳）
today=$(date %s)
expires_str=$(chage -l root|awk "NR==2"| cut -d ":" -f 2)
if [ "$expires_str" == " never" ];then
expire_days=99999
else
expiration=$(date -d "$expires_str" %s)
expire_days=$[(expiration-today)/86400]
fi
echo $expire_days
#rm -f /tmp/root_pwd_expir_days_$(date -d "-1 days" %F).txt
#temp_file=/tmp/root_pwd_expir_days_$(date %F).txt
#echo $expire_days |tee $temp_file
#chown root:root $temp_file && chmod o=r $temp_file
