Upgrading MediaWiki installation

pm = Peter's MediaWiki directory
pm.update = Flag file which, when present, causes httpd to return a static "maintenance" page

• cd /home/pm
• tar zxf <source-path>/mediawiki-X.Y.Z.tar.gz
• chown -R root:root mediawiki-X.Y.Z
• ln -s ../LocalSettings.php mediawiki-X.Y.Z/
• touch /etc/httpd/sites/pm.update
• rm -f mediawiki (remove soft link)
• ln -s mediawiki-X.Y.Z mediawiki
• ./update_wiki
• OR
• cd mediawiki/maintenance; php update.php --quick
• rm -f /etc/httpd/sites/pm.update
• Test