#!/bin/bash
# 或者这样来写$(date +%F)
day=$(date +%Y_%m_%d)
size=$(du -sh /var/lib/mysql)
echo "Date:$day" >> /tmp/dbinfo.txt
echo "DataSize:$size" >> /tmp/dbinfo.txt
cd /opt/dbbak
tar zcf mysql_bak_${day}.tar.gz /var/lib/mysql /tmp/dbinfo.txt
rm -f /tmp/dbinfo.txt
----- 这里是备份一下mysql数据文件
