WordPress Auto-Backup via SSH

Teknoblogia, ,

This script will enable you to backup your WordPress websites automatically. Just put it in a crontab / automatic scheduling software somewhere.

Also available on Pastebin : https://pastebin.com/nZ2fiL8j

Enjoy.

#!/bin/bash

# wordpress-auto-backup.sh

### THIS SCRIPT ASSUMES THE FOLLOWING
# 1/ You can do SSH password-less login to the server
# How : https://easyengine.io/tutorials/linux/passwordless-authentication-ssh/
# 2/ You have created a correct ~/.my.cnf file
# How : https://easyengine.io/tutorials/mysql/mycnf-preference/

### RUNTIME PARAMETERS
# wordpress-auto-backup.sh <server address> <home directory> <backup directory>

### HOW IT WORKS 
# 1/ SSH to server
# 2/ read wp-config file & get details
# 3/ create backup_dir/web
# 4/ rsync home_dir backup_dir/web 
# 5/ backup database to backup_dir/web/today.mysql
# 6/ compress backup_dir/web to backup_dir/backup_today.bz2 

### choose backup retention
# backup retention: weekly
today=`date +%A`
# backup retention: monthly
#today=`date +%d`

compressor1='gzip'
compressor2='pbzip2'

#============= START BACKUP =======================

# to help making this code more readable
server=$1
home_dir=$2
backup_dir=$3

# get the variables
ssh $server "cat $home_dir/wp-config.php" > /tmp/$server$today.txt

db_name=`cat /tmp/$server$today.txt | grep DB_NAME | cut -d"'" -f 4`

db_user=`cat /tmp/$server$today.txt | grep DB_USER | cut -d"'" -f 4`

db_pass=`cat /tmp/$server$today.txt | grep DB_PASSWORD | cut -d"'" -f 4`

db_host=`cat /tmp/$server$today.txt | grep DB_HOST | cut -d"'" -f 4`

table_prefix=''
table_prefix=`cat /tmp/$server$today.txt | grep table_prefix | cut -d"'" -f 2`

# debug
#echo $db_name $db_user $db_pass $db_host $table_prefix


# delete temporary file
rm /tmp/$server$today.txt

# backup database
ssh $server "mysqldump -h $db_host -u $db_user --password=\"$db_pass\" $db_name \$(mysql -h $db_host -u $db_user --password=\"$db_pass\" -D $db_name -Bse \"show tables like '$table_prefix%'\") > $home_dir/db-$today.mysql"

# compress database dump
ssh $server "$compressor1 $home_dir/db-$today.mysql"

# download everything 
mkdir $backup_dir/web/
rsync -avuz $server:$home_dir/* $backup_dir/web/

# make backup file
tar cvf $backup_dir/$server-$today.tar $backup_dir/web/

$compressor2 $backup_dir/$server-$today.tar &

# clean up
ssh $server "rm $home_dir/db-$today.mysql.gz"

# done !


71 thoughts on “WordPress Auto-Backup via SSH”

  9. untuk implementasinya apakah akan sulit mas? saya kurang tahu dan paham cara penerapannya gimana supaya bisa backup via SSH ini..

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