this post was submitted on 21 Aug 2026
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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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You absolutely can sandbox using SELinux. Red Hat even has a tool called "sandbox" for just that: https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/selinux_users_and_administrators_guide/chap-security-enhanced_linux-securing_programs_using_sandbox
Edit: and Android sandboxing is built heavily around SELinux: https://source.android.com/docs/security/features/selinux
Fair enough, you can do some sandboxing this way. But SELinux is not a sandboxing tool in the same way bubblewrap or landlock are. It’s a tool that can put gates around your tools until it’s a sandbox, but SELinux as sandboxing is not in the spirit of “tools doing one thing and doing it well”