The key word to be searching for is “ungrab” mouse. here is a stackexchange on this.. On some systems ctrl-alt-/(on keypad) might work, but that is often disabled for security.
The worst is that if the ‘wheel’ group is empty, it will give a root shell to absolutely anyone.
It’s not like any place on the internet is all that friendly once it grows more than a couple dozen people.
I have no experience with this, but did some googling. The AMD ROCm installer instructions for Ubuntu are here. You need ROCm for HIP. That installs the entire SDK not just the runtime.
The Arch Wiki says you just need the package hip-runtime-amd. But I can’t find that package for Ubuntu.
There are also HIP installation instructions for PopOS. That’s similar to Ubuntu.
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