在本文中,我们将分享如何为您的数据库创建自动的远程数据库备份。
通过SSH登录到数据库服务器。您也可以从终端上进行操作。
ssh you-ssh-user@your-server-ip
touch ~/mysql-backup.sh
vim ~/mysql-backup.sh
〜/ mysql-backup.sh
中:#!/bin/bash
export PATH=/bin:/usr/bin:/usr/local/bin
TODAY=`date +"%d%b%Y"`
################## Update below values ########################
DB_BACKUP_PATH='/home/you-ssh-user/backup'
MYSQL_HOST='localhost'
MYSQL_PORT='3306'
MYSQL_USER='root'
MYSQL_PASSWORD='mysecret'
DATABASE_NAME='mydb'
BACKUP_RETAIN_DAYS=30
#################################################################
mkdir -p ${DB_BACKUP_PATH}/${TODAY}
echo "Backup directory creation done"
mysqldump -h ${MYSQL_HOST} \
-P ${MYSQL_PORT} \
-u ${MYSQL_USER} \
-p${MYSQL_PASSWORD} \
${DATABASE_NAME} | gzip > ${DB_BACKUP_PATH}/${TODAY}/${DATABASE_NAME}-${TODAY}.sql.gz
if [ $? -eq 0 ]; then
echo "Database backup done"
else
echo "Error while backup"
exit 1
fi
DBDELDATE=`date +"%d%b%Y" --date="${BACKUP_RETAIN_DAYS} days ago"`
if [ ! -z ${DB_BACKUP_PATH} ]; then
cd ${DB_BACKUP_PATH}
if [ ! -z ${DBDELDATE} ] && [ -d ${DBDELDATE} ]; then
rm -rf ${DBDELDATE}
fi
fi
更新脚本中以下变量的值:
chmod +x ~/mysql-backup.sh
~/mysql-backup.sh
ls /home/you-ssh-user/backup
crontab -e
0 0 * * * you-ssh-user /home/you-ssh-user/mysql-backup.sh