syd 3.16.3

rock-solid user-space kernel to sandbox applications on Linux>=5.19
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[![build status](https://builds.sr.ht/~alip/syd.svg)](https://builds.sr.ht/~alip/syd?)
[![pipeline status](https://gitlab.exherbo.org/sydbox/sydbox/badges/main/pipeline.svg)](https://gitlab.exherbo.org/sydbox/sydbox/-/pipelines)
[![repology](https://repology.org/badge/latest-versions/sydbox.svg)](https://repology.org/project/sydbox/versions)
[![dependency status](https://deps.rs/repo/sourcehut/~alip/syd/status.svg)](https://deps.rs/repo/sourcehut/~alip/syd)

[![syd](https://git.sr.ht/~alip/syd/blob/main/data/syd.png)](https://todo.sr.ht/~alip/syd)

[Syd](https://en.wikipedia.org/wiki/Syd_Barrett) is a
[rock-solid](https://en.wikipedia.org/wiki/Tigran_Petrosian)
[user-space](https://en.wikipedia.org/wiki/User_space_and_kernel_space)
[kernel](https://en.wikipedia.org/wiki/Kernel_(operating_system))
to [sandbox](https://en.wikipedia.org/wiki/Sandbox_(computer_security))
[applications](https://en.wikipedia.org/wiki/Application_software)
on [Linux>=5.19](https://en.wikipedia.org/wiki/Linux).
[Syd](https://en.wikipedia.org/wiki/Syd_Barrett) is similar to
[GVisor](https://en.wikipedia.org/wiki/GVisor), and
[Firejail](https://firejail.wordpress.com/).

Read the fine manuals of [syd](https://man.exherbolinux.org/),
[libsyd](https://libsyd.exherbolinux.org/),
[gosyd](https://gosyd.exherbolinux.org/),
[plsyd](https://plsyd.exherbolinux.org/),
[pysyd](https://pysyd.exherbolinux.org/),
[rbsyd](https://rbsyd.exherbolinux.org/),
[syd.el](https://sydel.exherbolinux.org/) and watch the asciicasts [Memory
Sandboxing](https://asciinema.org/a/625243), [PID
Sandboxing](https://asciinema.org/a/625170), [Network
Sandboxing](https://asciinema.org/a/623664), and [Sandboxing Emacs with
syd](https://asciinema.org/a/627055). Join the CTF event at
https://ctftime.org/event/2178 and try to read the file `/etc/CTF`¹ on
syd.chesswob.org with ssh user/pass: syd.

- Use cargo to install from source, requires [libseccomp](https://github.com/seccomp/libseccomp).
- Packaged on [Gentoo](https://gentoo.org/) as `sys-apps/syd`.
- Packaged on [Exherbo](https://exherbolinux.org/) as `sys-apps/sydbox`.
- Binary releases located at https://distfiles.exherbolinux.org/#sydbox/
- Releases are signed with this key: https://keybase.io/alip/pgp_keys.asc
- Change Log is here: https://gitlab.exherbo.org/sydbox/sydbox/-/blob/main/ChangeLog.md

Maintained by Ali Polatel. Up-to-date sources can be found at
https://gitlab.exherbo.org/sydbox/sydbox.git and bugs/patches can be submitted to
<https://gitlab.exherbo.org/groups/sydbox/-/issues>. Discuss in [#sydbox on Libera
Chat](ircs://irc.libera.chat/#sydbox).

¹: The [SHA256](https://en.wikipedia.org/wiki/SHA-2)
checksum is `f1af8d3946546f9d3b1af4fe15f0209b2298166208d51a481cf51ac8c5f4b294`.

²: [That cat's something I can't explain!](https://gitlab.exherbo.org/paludis/paludis/-/commit/dd0566f16e27f2110581234fe1c48a11d18a7d64)

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