Remove Robot NoFollow from MediaWiki
From Zedomax Wiki
edit Article.php edit SpecialSpecial.php edit SpecialPage..php
edit none,follow instead of noindex,nofollow
If you want to remove all nofollows then type this in your includes directory:
find . -exec grep "nofollow" '{}' \; -print
Then find all the files and change nofollow to follow.
[edit]
sed script to do this
This will find and modify all PHP files with noindex and nofollow to use index and follow. Run this at the root of your wiki. This makes changes to your PHP files! Make a backup.
cp -R . ../wiki.backup
find . -type f -name "*.php" -exec sed -i -e "s/noindex/index/g" -e "s/nofollow/follow/g" '{}' \;