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备份脚本如下:
#!/bin/bash
BACKUP_PATH=/opt/backup/<backup_dir>
MYSQL_DUMP=/usr/bin/mysqldump
BACKUP_TIME=$(date +%Y%m%d.%H%M)
BACKUP_DB=<db_name>
DB_USER=<username>
DB_PAWD=<password>
${MYSQL_DUMP} -u${DB_USER} -p${DB_PAWD} ${BACKUP_DB} > ${BACKUP_PATH}/${BACKUP_DB}.sql
if [ $? -ne 0 ];then
echo "${BACKUP_TIME} mysqldump error " >> ${BACKUP_PATH}/dump.log
exit 1
fi
tar -zcvf ${BACKUP_PATH}/${BACKUP_DB}.${BACKUP_TIME}.tar.gz ${BACKUP_PATH}/${BACKUP_DB}.sql
rm -f ${BACKUP_PATH}/${BACKUP_DB}.sql
#删除10天前的文件
find ${BACKUP_PATH} -name "*.tar.gz" -mtime +10 -exec rm -rfv {} \;
exit 0
<backup_dir>
:备份目录<db_name>
:数据库名称<username>
:数据库用户名<password>
:数据库用户名
写好脚本之后,需要将脚本添加到Linux的定时任务中
crontab -e # 编辑执行计划脚本
添加下面的内容
# 每小时执行一次备份脚本
0 */1 * * * /opt/backup/<your_backup_script>.sh
然后保存退出,就可以了