MediaWiki - enable file upload

Images are stored in /var/www/mediawiki/images Go to /var/www/mediawiki and type

sudo chmod -R 755 ./images/
sudo chown -R www-data:www-data images/

Also make sure php.ini (/etc/php/8.1/cli/php.ini) has file_uploads = on

Enable Media Wiki when access fails from Browser

sudo chown -R www-data:www-data /var/www/mediawiki

Backup MediaWiki

 sudo /usr/local/sbin/mediawiki-backup.sh

Restore MediaWiki

sudo /usr/local/sbin/mediawiki-restore.sh /srv/backups/mediawiki/mediawiki-backup-2025-12-09_14-45-00.tar.gz

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