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Knowledgebase: WP Backup +
WP Backup Plus Specifications
Posted by Juan Guiterrez on 07 January 2014 03:09 PM

WP Backup Plus Specifications: Server Configuration and Minimum Requirements

 

Server configuration is a very complex topic and varies widely between hosts, server operating systems and even the personal preference of the server administrator. The following are server recommendations for full WP Backup Plus functionality.

 

Server Recommendations (Full Functionality)

 

  • PHP 5.2+
  • mySQL 5.x+
  • WordPress 3.4+
  • Write permissions to /wp-content/uploads/ for the user running WP Backup Plus .
    • Backups will be stored in /wp-content/uploads/wp-backup-plus/
    • Temporary files will be stored in /wp-content/uploads/wp-backup-plus/temp/xxxxxxx/ (temporarily generated at each backup)
  • Free disk space equal to or greater than the entire size of your site once compressed.
    • SuPHP or environment so that file operations/zip run as user to prevent permissions issues.
    • PHP exec() function enabled
    • PHP ZipArchive class installed
  • Linux (Apache; Some Litespeed server setups have broken performance inhibiting WP Backup Plus):
    • Command-line zip installed and accessible via exec().
  • Windows (only supported for local development via Apache; IIS is not officially supported):
    • Windows zip executable (available here)
      • You must have the ability to configure your server to allow execution of this zip.exe file for it to function.
      • File permissions must also be set to allow access and execution of the zip executable.
  • wp-config.php file must be in WordPress installation directory OR (starting with WP Backup Plus v2.0) in the parent directory.

Minimum Server Requirements (Reduced Functionality)

NOTE: Some features of WP Backup Plus will be unavailable or limited if running on minimum requirements without recommendations. Large sites may not be able to be backed up with these minimum features.

  • PHP 5.2+
  • mySQL 5.x+
  • WordPress 3.3+
    • We are trying to maintain bare minimum backup functionality for legacy versions as far back as WordPress v2.6 (though it's not pretty nor guaranteed to work perfectly at this time; we recommend only performing backups & direct restores for older versions and use it for safety while upgrading to the latest WordPress).
  • Write permissions to /wp-content/uploads/ for the user running WP Backup Plus.
  • WP Backup Plus requires the uploads directory to be in the standard WordPress location.
    • Backups will be stored in /wp-content/uploads/wp-backup-plus/
    • Temporary files will be stored in /wp-content/uploads/wp-backup-plus/temp/xxxxxxx/ (temporarily generated at each backup)
  • Free disk space equal to or greater than the entire size of your site once compressed.
  • wp-config.php file must be in WordPress installation directory OR (starting with WP Backup Plus v2.0) in the parent directory.
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