基于linux系统下的MYSQL自动备份

 

编辑 脚本文件

db_user="root"db_passwd="123456"db_host="localhost"backup_dir="/usr/local/apache2/htdocs/backup"time="$(date +"%Y%m%d%H%M")"MYSQL="/usr/local/mysql/bin/mysql"MYSQLDUMP="/usr/local/mysql/bin/mysqldump"MKDIR="/bin/mkdir"RM="/bin/rm"MV="/bin/mv"GZIP="/bin/gzip"test ! -w $backup_dir && echo "Error: $backup_dir is un-writeable." && exit 0test ! -d "$backup_dir/$time" && $MKDIR -p "$backup_dir/$time"all_db="$($MYSQL -u $db_user -h $db_host -p$db_passwd -Bse 'show databases')"for db in $all_db  do    $MYSQLDUMP "--default-character-set=gbk" -u $db_user -h $db_host -p$db_passwd $db | $GZIP -9 > "$backup_dir/$time/$db.gz"  done    exit 0;

设置定时任务

使用crontab -e命令编辑定时任务列表

15 3 * * * sh /usr/scripts/mysql_backup.sh

 

表示每天凌晨3点15分执行该脚本进行数据库备份