Yeh, immutable distros… You can install software, it’s just you have to declaratively define what software you want, then apply that as a patch.
You don’t just apt install cowsay, you have to create a file that defines the installation of cowsay.
This way, if you have to change how cowsay is installed, you tweak that patch file and reapply it.
If you have to wipe & reinstall (or get a new computer or whatever) you just apply all your patches, and the system is the same again.
Hey, that’s why I wanted an explanation! The one I got an a search result made it seem like you can’t install anything.
Yeh, immutable distros… You can install software, it’s just you have to declaratively define what software you want, then apply that as a patch.
You don’t just
apt install cowsay, you have to create a file that defines the installation of cowsay.This way, if you have to change how cowsay is installed, you tweak that patch file and reapply it.
If you have to wipe & reinstall (or get a new computer or whatever) you just apply all your patches, and the system is the same again.
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Oh, no kidding.
I always thought immutable required the declarative installs.
I guess, immutable is more “containerised userland”?