this post was submitted on 29 Nov 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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If using flakes you could just for instance add another input. You can also set the input URLs to specific states of the nixpkgs repository by eg referencing specific commits. Then, you should be able to just, e.g., pick Firefox from unstable, another package from the current stable channel, and maybe a broken package from a pull request fixing said package.
If you are not using flakes you can also add system wide channels. IIRC you can then import these channels into your configuration.nix and select packages from the corresponding channels. But here the channels/inputs are not part of configuration itself in contrast to when using flakes.
There's no command to just update all packages without changing the nixos version?
Update your channel & rebuild
Is that the equivalent to
apt updateandapt upgrade? I don't want toapt dist-upgradelolWhen not using flakes,
nixos-rebuild switch --upgradeis equivalent toapt update; apt upgrade. The equivalent todist-upgradeisnix-channel add $NEW-CHANNEL-URL nixosand then performing a regular update.Thanks. I've done switch many times after editing my config file. I've never added --upgrade!