Understanding the AppArmor user namespace restriction feature Ubuntu 23.10 and 24.04 LTS introduced new AppArmor-based features to reduce the attack surface presented by unprivileged user namespaces in the Linux kernel. Unprivileged user namespaces are a feature in the Linux kernel that was introduced in order to provide additional sandboxing functionality for programs such as container runtimes; it enables unprivileged users to gain administrator (root) permissions within a confined environment...
I despise the way Canonical pretends discourse forum posts by their team members* are documentation.
I’ve noticed they have been a bit better lately, and have migrated much of the posts to their documentation, but it seems they are doing it again.
Pro tip: You could have just made the documentation directly, with the content of this post. Or maybe a blog post. But please stop with the forum posts. They are very confusing for people not used to these… unique locations.
*Not that people are easily able to find this out when they don’t give any indication that the forum post is something other than just another post by a rando. Actually, I’m just guessing here, based on the quoted reply, for all I know this could be a post by someone unrelated to Canonical. The account is 3 months, and the post itself is identical to a regular forum post from a regular forum member…
They should at least make a
docs
tag or similar and tag all these documentation like posts with it.