Akeeba Backup for Joomla!

Akeeba Backup User's Guide

Nicholas K. Dionysopoulos

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the appendix entitled "The GNU Free Documentation License".


This book covers the use of the Akeeba Backup site backup component for Joomla!™ -powered web sites. It does not cover any other software of the Akeeba Backup suite, including Kickstart and the desktop applications which have documentation of their own. Both the free Akeeba Backup Core and the subscription-based Akeeba Backup Professional editions are completely covered.

If you are looking for a quick start to using the component please watch our video tutorials.

Table of Contents

I. User's Guide to Akeeba Backup for Joomla!
1. Introduction
Introducing Akeeba Backup
What can I use Akeeba Backup for?
A typical backup/restoration work flow
Server environment requirements
2. Installation, updates and upgrades
Installing Akeeba Backup
Installing or manually updating the extension
Install from URL
Upload and install.
Manual installation
The installation / update broke my site!
Upgrading from Core to Professional
Automatic updates
Entering your Download ID
Uninstalling Akeeba Backup
Requesting support and reporting bugs
3. Using the Akeeba Backup component
Menu items
Control Panel
Manage Backups
Restore Latest Backup
Site Transfer Wizard
What to do if you don't have any menu items to Akeeba Backup
Pages outside the Control Panel panes
Common navigation elements
The Control Panel
Warning and error messages in the Control Panel
Editing the component's Options
Basic Operations
Profiles Management
Configuration Wizard
The main settings
Basic Configuration
Advanced configuration
Site overrides
Optional filters
Quota management
Fine tuning
Database dump engines
Native MySQL Backup Engine
File and directories scanner engines
Smart scanner
Large site scanner
Archiver engines
ZIP format
JPA format
Encrypted Archives (JPS format)
DirectFTP over cURL
DirectSFTP over cURL
ZIP using ZIPArchive class
Data processing engines
No post-processing
Upload to CloudMe
Upload to Microsoft Windows Azure BLOB Storage service
Upload to RackSpace CloudFiles
Upload to OVH Object Storage
Upload to pCloud
Upload to DreamObjects
Upload to Dropbox (v2 API)
Send by email
Upload to OneDrive (LEGACY)
Upload to OneDrive and OneDrive for Business
Upload to Remote FTP server
Upload to Remote FTP server over cURL
Upload to Google Storage (Legacy S3 API)
Upload to Google Storage (JSON API)
Upload to Google Drive
Upload to iDriveSync
Upload to Amazon S3 (Legacy API)
Upload to Amazon S3
Upload to Remote SFTP server
Upload to Remote SFTP server over cURL
Upload to SugarSync
Upload to WebDAV
Upload to /
Backup now
Manage Backups
Integrated restoration
Manage remotely stored files
Discover and import archives
View Log
Include data to the backup
Multiple Databases Definitions
Off-site Directories Inclusion
Exclude data from the backup
Files and Directories Exclusion
Database Tables Exclusion
RegEx Files and Directories Exclusion
Regular Expressions recipes for files and directories
RegEx Database Tables Exclusion
Regular Expressions recipes for database tables
Automating your backup
Taking backups automatically
Front-end backup, for use with CRON
Native CRON script
Alternative CRON script
Checking for failed backups automatically
Front-end backup failure check, for use with CRON
CRON script for backup failure check
Alternative CRON script for backup failure check
Site Transfer Wizard
4. Miscellaneous Extensions (Modules, Plugins)
Action Log
Quick Icon
Update Check
Backup on Update
5. Restoring backups and general guidelines
General guidelines for backing up and restoring your site
Guidelines for storing your backups remotely / "cloud backup"
Restoring your backups
Troubleshooting restored sites
Unorthodox: the emergency restoration procedure
6. Information for removed or canceled features
Microsoft OneDrive for Business [THIS ARTICLE IS NO LONGER VALID]
II. Security information
7. Introduction
Why you need to care about ownership and permissions?
8. How your web server works
Users and groups
How users and groups are understood by UNIX-derived systems
Process ownership
File ownership
The three types of permissions
What permissions can control
Permissions notation
The textual notation
The octal notation
9. Securing your Akeeba Backup installation
Access rights
Securing the output directory
Securing file transfers
III. Appendices
A. The JPA archive format, v.1.2
B. The JPS archive format, v.2.0
C. GNU Free Documentation License

 #30972: Upgra 1.5.x to 3.x

Latest post by LEDlichtNL on Sunday, 24 March 2019 18:17 CDT Created on Wednesday, 20 February 2019 10:13 CST by LEDlichtNL

 #30912: Akeeba doesn't delete backup based on "quota configuration"

Latest post by spot86 on Sunday, 24 March 2019 18:17 CDT Created on Tuesday, 12 February 2019 02:32 CST by spot86

 #31002: Problem with backup with large Music files

Latest post by Johanv74 on Sunday, 24 March 2019 01:40 CDT Created on Wednesday, 27 February 2019 06:18 CST by Johanv74

 #30966: Subdirectories

Latest post by on Friday, 22 March 2019 18:17 CDT Created on Monday, 18 February 2019 20:23 CST by

 #30964: backend id31

Latest post by onedotlove on Thursday, 21 March 2019 18:17 CDT Created on Monday, 18 February 2019 10:33 CST by onedotlove

 #31017: cPanel File Manager Downloads of JPA and JPS backup files

Latest post by wynchcote on Thursday, 21 March 2019 03:55 CDT Created on Friday, 01 March 2019 07:25 CST by wynchcote

 #30958: htaccess files?

Latest post by jjst135 on Wednesday, 20 March 2019 18:17 CDT Created on Monday, 18 February 2019 05:34 CST by jjst135

 #31101: Backup fails: The encryption key has changed

Latest post by dwreski on Tuesday, 19 March 2019 13:53 CDT Created on Friday, 15 March 2019 08:22 CDT by dwreski

 #30928: Error invalid_grant: The user could not be authenticated or user interaction is required. The user must sign in again and if needed grant the client application access to the requested scope.

Latest post by mercurioweb on Saturday, 16 March 2019 18:17 CDT Created on Wednesday, 13 February 2019 19:08 CST by mercurioweb

 #31059: Files and directories exclusion

Latest post by Meinolf Müller on Tuesday, 12 March 2019 05:46 CDT Created on Tuesday, 12 March 2019 05:31 CDT by Meinolf Müller

 #31050: backup files stored outside my site's root.

Latest post by obios on Monday, 11 March 2019 04:11 CDT Created on Sunday, 10 March 2019 07:30 CDT by obios

 #31051: 403 Error on Resoration

Latest post by slomas on Sunday, 10 March 2019 10:02 CDT Created on Sunday, 10 March 2019 09:59 CDT by slomas

 #30923: Restoring sites behind a Load Balancer and no sticky sessions

Latest post by extly on Monday, 25 February 2019 10:36 CST Created on Wednesday, 13 February 2019 10:04 CST by extly

 #30832: Akeeba backup of Joomla components

Latest post by donovan miles on Friday, 22 February 2019 17:17 CST Created on Wednesday, 23 January 2019 11:53 CST by donovan miles

 #30826: Google Drive Connection Failing

Latest post by enktesisllc on Friday, 22 February 2019 17:17 CST Created on Wednesday, 23 January 2019 06:54 CST by enktesisllc

 #30809: Query regarding the folders that can be backup other than JOOMLA ROOT PATH

Latest post by anildagia on Monday, 18 February 2019 17:17 CST Created on Saturday, 19 January 2019 08:45 CST by anildagia

 #30946: Akeeba backup 6 and Joomla! 4 alpha7

Latest post by tampe125 on Monday, 18 February 2019 08:51 CST Created on Saturday, 16 February 2019 04:40 CST by RobertG

 #30783: Amazon S3 Error

Latest post by semeresources on Friday, 15 February 2019 17:17 CST Created on Tuesday, 15 January 2019 09:54 CST by semeresources

 #30764: Can I empty _ak_storage

Latest post by modernmagic on Saturday, 09 February 2019 17:17 CST Created on Thursday, 10 January 2019 02:41 CST by modernmagic

 #30756: Updating Akeeba Backup Pro v5 with Akeeba backup Core v6

Latest post by on Friday, 08 February 2019 17:17 CST Created on Tuesday, 08 January 2019 12:24 CST by

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Support Information

Working hours: Typically we work Monday to Friday, 9am to 7pm Cyprus timezone (EEST). Support is provided by the same developers writing the software, all of which live in Europe. You can still file tickets, but we cannot respond to them, outside of our working hours.

Upcoming unavailability: We will be closed December 23rd, 2019 19:00 to January 3rd, 2020 10:00 Cyprus timezone (EEST) due to the Holiday Season. You will not be able to file new support tickets or reply to existing ones.

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