MediaWiki Upgrade April 2011

HowTo Backup and Upgrade XXXXXXXXXXXX in MediaWiki based on: http://www.mediawiki.org/wiki/Manual:Upgrading adapted to the XXXXXXXXX

1. backup the mediawiki mysql database with mysqld running. (do not stop the mysqld service)

 mysqldump -u root -p --default-character-set=latin1 XXXXwiki -c > XXXXwiki-backup.sql

2. backup the mediawiki filesystem which contains configuration files and uploaded images

 tar -sp -zcvf /XXXXXXXXXXXXXXXXXX/mediawikiXXXXXX.tgz /XXXXXXXXXXXXXXXXXX/mediawikiXXXXXX

3. get the latest version of MediaWiki (below example only, version 1.16.4) The latest version is at: http://www.mediawiki.org/wiki/Download

 wget http://download.wikimedia.org/mediawiki/1.16/mediawiki-1.16.4.tar.gz

4. extract directly into existing mediawiki installation using special replace syntax

 tar xvfz mediawiki-1.16.4.tar.gz
 cp -r mediawiki-1.16.4/* /XXXXXXXXXXXXXXXXXX/mediawikiXXXXXX/

5. run the php shell update script

 cd /home/httpd/webapps/mediawikiXXXXXX/maintenance
 php update.php

6. fix permissions

 cd /XXXXXXXXXXXXXXXXXX/mediawikiXXXXXX
 chgrp httpd * -R
 chmod XXX * -R