Hi,
I'm very excited to announce that Debian and Ubuntu packages for MediaWiki are now available. These packages will follow the MediaWiki LTS schedule and currently contain 1.27.1. If you've always wanted to "sudo apt install mediawiki", then this is for you :)
For Debian users, you can get the mediawiki package for Jessie from the official Debian repositories using jessie-backports, and it will be included in the upcoming Stretch release.
Ubuntu users will need to enable a PPA for Xenial or Trusty to set up the package.
Instructions, links, and help can all be found at https://www.mediawiki.org/wiki/User:Legoktm/Packages. Please let me know if you have any questions or feedback.
Finally, thanks to Luke Faraone, Faidon Liambotis, Moritz Mühlenhoff, Max Semenik, Chad Horohoe, Antoine Musso, and all of the beta testers of the package for making this a reality.
-- Legoktm