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 !


58 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..

  13. Hello would you mind sharing which blog platform you’re working with? I’m looking to start my own blog in the near future but I’m having a hard time choosing between BlogEngine/Wordpress/B2evolution and Drupal. The reason I ask is because your design and style seems different then most blogs and I’m looking for something completely unique. P.S Apologies for getting off-topic but I had to ask!

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  39. To the sufehmi.com webmaster, You always provide great examples and real-world applications, thank you for your valuable contributions.

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