ostree
nixpkgs
ostree | nixpkgs | |
---|---|---|
41 | 975 | |
1,180 | 15,753 | |
1.7% | 2.8% | |
9.5 | 10.0 | |
1 day ago | 2 days ago | |
C | Nix | |
GNU General Public License v3.0 or later | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
ostree
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NixOS Reproducible Builds: minimal ISO successfully independently rebuilt
Ansible makes mutable changes to the OS, task by task.
Nix is immutable. A new change is made entirely new, and only after the build is successful, all packages are "symlinked" to the current system.
Fedora Silverblue is based on ostree [1]. It works similarly like git, but on your root tree. But it requires you to reboot the whole system for the changes to take effect. Since Nix is just symlinked packages, you don't need to reboot the system.
More detailed explanation here [2].
[1]: https://github.com/ostreedev/ostree
[2]: https://dataswamp.org/~solene/2023-07-12-intro-to-immutable-...
- Can't install from flathub
- hello guys everytime i intall a flatpak on fedora this error always happnes how do i fix it
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PSA: Flatpaks are currently broken on Fedora. Here's a temporary solution.
This one is for the ostree bug currently ongoing: https://github.com/ostreedev/ostree/issues/2900
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flatpak issue on fedora 38 kde
This sounds related to the ostree bug.
- ostree-system-generator failed with exit status 1 on every boot after update.
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What do you prefer more and why?
I definitely agree that immutability offers considerable value in regards to improving security. But arguably it's insufficient to pull the win over mutable Fedora due to the losses caused by the inability to install the kernel-hardened package and the lack of UKI (Unified Kernel Image) support.
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Question about immutability
Other hardening guides mention a Unified Kernel Image as another measure to further improve security. Unfortunately, once more, this is (currently) not supported on Fedora Silverblue. I haven't seen it being done on openSUSE Aeon either. Though, once again, I'd love to be corrected!
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Does an immutable system really provide enhanced security?
The fedora crew is working on it through ostree though, so both fedora Silverblue and flatpak will be getting it (as well as true immutability) in the future: https://github.com/ostreedev/ostree/issues/2867
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Silverblue/ Kinoite - real-life shortcomings?
Aside from what has already been mentioned, Unified Kernel Image isn't supported (yet).
nixpkgs
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Nix: The Breaking Point
I don't think so. The article is probably intended for the Nix community, so the author doesn't need to convince HN that something is going on. If as an outsider you are interested then you need to look into it yourself, the community has no obligation to make their internal conflicts legible to the outside world.
As an outsider myself, it certainly looks like something is going on as more than 20 Nixpkg maintainers left in a week: https://github.com/NixOS/nixpkgs/issues?q=label%3A%228.has%3...
- Maintainers Leaving
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Air Force picks Anduril, General Atomics to develop unmanned fighter jets
https://github.com/NixOS/nixpkgs/commits?author=neon-sunset
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Eelco Dolstra's leadership is corrosive to the Nix project
I see two signers in the top 6 displayed on https://github.com/NixOS/nixpkgs/graphs/contributors
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3rd Edition of Programming: Principles and Practice Using C++ by Stroustrup
For a single file script, nix can make the package management quite easy: https://github.com/NixOS/nixpkgs/blob/master/doc/languages-f...
For example,
```
- NixOS/nixpkgs: There isn't a clear canonical way to refer to a specific package
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NixOS Is Not Reproducible
Yes, Nix doesn't actually ensure that the builds are deterministic. In fact it works just fine if they aren't. There are packages in nixpkgs that aren't reproducible: https://github.com/NixOS/nixpkgs/issues?q=is%3Aopen+is%3Aiss...
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The xz attack shell script
I'm not familiar with Bazel, but Nix in it's current form wouldn't have solved this attack. First of all, the standard mkDerivation function calls the same configure; make; make install process that made this attack possible. Nixpkgs regularly pulls in external resources (fetchUrl and friends) that are equally vulnerable to a poisoned release tarball. Checkout the comment on the current xz entry in nixpkgs https://github.com/NixOS/nixpkgs/blob/master/pkgs/tools/comp...
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Debian Git Monorepo
NixOS uses a monorepo and I think everyone's love it.
I love being able to easily grep through all the packages source code and there's regularly PRs that harmonizes conventions across many packages.
Nixpkgs doesn't include the packaged software source code, so it's a lot more practical than what Debian is doing.
https://github.com/NixOS/nixpkgs
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From xz to ibus: more questionable tarballs
In this specific case, nix uses fetchFromGitHub to download the source archive, which are generated by GitHub for the specified revision[1]. Arch seems to just download the tarball from the releases page[2].
[1]: https://github.com/NixOS/nixpkgs/blob/3c2fdd0a4e6396fc310a6e...
[2]: https://gitlab.archlinux.org/archlinux/packaging/packages/ib...
What are some alternatives?
rpm-ostree - ⚛📦 Hybrid image/package system with atomic upgrades and package layering
asdf - Extendable version manager with support for Ruby, Node.js, Elixir, Erlang & more
apt2ostree - Build ostree images based on Debian/Ubuntu
Home Manager using Nix - Manage a user environment using Nix [maintainer=@rycee]
bubblewrap - Low-level unprivileged sandboxing tool used by Flatpak and similar projects
git-lfs - Git extension for versioning large files
flatpak - Linux application sandboxing and distribution framework
easyeffects - Limiter, compressor, convolver, equalizer and auto volume and many other plugins for PipeWire applications
waydroid - Waydroid uses a container-based approach to boot a full Android system on a regular GNU/Linux system like Ubuntu.
spack - A flexible package manager that supports multiple versions, configurations, platforms, and compilers.
mkosi - 💽 Build Bespoke OS Images