Manually update Cockpit via downloaded tarball, or other method.

[911delorean]

In a pickle. Got a server up and running Ubuntu svr 25.10. Installed Cockpit, realized a few functions are broken with the version currently installed: V346-1. I saw a release note that stated the exact problem I am having is fixed in a newer version. Only problem, 346-1 is the latest version and I am unable to find a Ubuntu repo with a newer version. I did find the newest version on a Debian repo, but have seen that adding a Debian repo is not a good thing to do, especially when its their "sid" or unstable repo.
I got the latest tarball off github, but have no idea what to do with it. I cannot find instructions on how to manually update the files with the tarball.
Any suggestions?

[martinpitt]

Sadly, Ubuntu does not accept official backports any more to non-LTS releases. I keep uploading them, but they keep getting rejected.

I would not recommend installing over a distro package from a tarball, it's too messy. If 352 is enough (you didn't mention which release note fixed the bug), you could install the 24.04 LTS backport, that should work. 355 is unfortunately still stuck in the review queue.

If you need the latest version, grab the latest source package from Debian and rebuild it locally. Either on a 25.10 development system with sudo apt-get build-dep cockpit, then dpkg-source -x cockpit*.dsc, cd cockpit-*, dpkg-buildpackage -us -uc -b, or in sbuild.

[911delorean]

The administrative access function is broken. V355 had a blog post outlining fixes in that version that I needed, something to do with changes to the sudo function in 25.10.
I don't have any clue how to build from source. But if I'm understanding your instructions click and download that package. Probably throw it into the home directory of a Ubuntu machine. Then execute the commands below.

[martinpitt]

Right, you can also run sudo update-alternatives --set sudo /usr/bin/sudo.ws to use the "classic" sudo instead of the incompatible rust rewrite. This will all be fixed in 26.04 LTS.