自编shell脚本合集（完善中）

Posted 2020-10-30 rockley

1.数据库备份

#!/bin/bash
user="root"
psword="root"
bakdir="/data/mysqlbak"
Date=$(date +%F)
dbnames=$(mysql -u root -proot -e "show databases"  | sed 1d | egrep -v "(schema$|mysql)")
#删除3天之前的备份
find $bakdir -ctime +3  -name \*.sql | xargs rm  -f
#备份数据库
for dbname in $dbnames
do
        mysqldump -u$user -p$psword --databases $dbname > $bakdir/${dbname}-${Date}.sql
done