backup-mediawiki backs up MediaWiki files and DB and sends to a remote machine.
Setup requires ACL and SSH key setup.
- Create backup user
 - Give backup user ACL access to www subdir (
setfacl -Rdm u:backupuser:r /var/www/wiki.example.org) - Put backup script in backup user home
 - Configure path in script
 - Give script executable permission
 - Setup crontab entry
 - Optional: Setup SSH key
 - Optional: Or setup Syncthing or similar
 
See https://github.com/milkmiruku/backup-mediawiki-remote for remote code.