this post was submitted on 24 Apr 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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Tails isn't really a security focused distro, no significant kernel or other security hardening. It is amnesic. Whonix (based on Kicksecure) is security hardened but still based on Debian which isn't great for a security base.
Secureblue is what I would recommend because it a security focused Linux distro that benefits from Fedora's SELinux, and has a bunch of its own additions.
QubesOS is obviously the best for security. Combine that with a Whonix or Secureblue guest OS and you're perfect.
I completely forgot secureblue. But it was not worth the hassle for my working environment
It really isn't that different than regular Fedora Atomic. It offers easy toggles for most security features and some convenient utilities to make things easier.
It is very private, by nature of it recording so little and leaving so little trace. Which is what was being asked about, not strictly speaking security.
I was specifically responding to at the end where you say it is "super secure" at the end of your comment. It is not a security focused distro. It isnt even (only) a privacy distro. It is an anonymity distro. Fedora is private, but it doesnt store everything in RAM or route everything through Tor, so it isn't amnesic or anonymity focused.
When compared to Whonix (which is Debian based like Tails) or Secureblue (Fedora Atomic based), Tails doesnt do nearly anything to harden its base other than to strictly proxy the network through Tor, run in RAM, and some default apps.