Shell 脚本自动检测系统日志错误并发送邮件通知

#!/bin/bash

'定义变量' LOG_FILE='/var/log/syslog' ERROR_COUNT=0

'检查日志文件中是否有错误信息' if grep -q 'error' $LOG_FILE; then ERROR_COUNT=$(grep -c 'error' $LOG_FILE) fi

'发送邮件通知管理员' if [ $ERROR_COUNT -gt 0 ]; then SUBJECT='[Error Alert] There are $ERROR_COUNT errors in syslog' BODY='Please check the syslog for more details' echo $BODY | mail -s $SUBJECT admin@example.com fi

'记录检测时间和错误数量' echo "$(date) - Found $ERROR_COUNT errors in syslog" >> /var/log/error_check.log

'结束脚本' exit 0