第一步:在你的linux服务器中定义备份目录
mkdir /var/lib/mysqlbackup
cd /var/lib/mysqlbackup
第二步:下面是最重要的一步了,就是写定时备份脚本。
vi dbbackup.sh
#!/bin/sh
# mysql data backup script
#
# use mysqldump --help,get more detail.
#
BakDir=/root/back/ysqlbackup
LogFile=/root/back/mysql/mysqlbak.log
DATE=`date +%Y%m%d%H%M%S`
echo " " >> $LogFile
echo " " >> $LogFile
echo "-------------------------------------------" >> $LogFile
echo $(date +"%y-%m-%d %H:%M:%S") >> $LogFile
echo "--------------------------" >> $LogFile
cd $BakDir
DumpFile=$DATE.sql
GZDumpFile=$DATE.sql.tar.gz
/usr/local/mysql/bin/mysqldump --user=root --password=root3306 --port=3306 --host=127.0.0.1 airtalk_test > $DumpFile
echo "Dump Done" >> $LogFile
tar czvf $GZDumpFile $DumpFile >> $LogFile 2>&1
echo "[$GZDumpFile]Backup Success!" >> $LogFile
rm -f $DumpFile
cd $BakDir
echo "Backup Done!"
echo "please Check $BakDir Directory!"
echo "copy it to your local disk or ftp to somewhere !!!"
find $BakDir -ctime +1 -exec rm {} \;
echo "delete file over 30 days"
保存退出,然后把这个文件赋予可执行的权限:
chmod 777 dbbackup.sh
用crontab定时执行备份脚本代码:
crontab -e
若每天下午3点20备份,添加如下代码,
20 15 * * * /var/lib/mysqlbackup/dbbackup.sh