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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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secureblue: Hardened Fedora Atomic and Fedora CoreOS images (secureblue.dev)

submitted 3 days ago* (last edited 3 days ago) by [email protected] to c/[email protected]

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Not many people have heard about secureblue, and I want to spread the word about it. secureblue provides hardened images for Fedora Atomic and CoreOS. It's an operating system "for those whose first priority is using linux, and second priority is security."

secureblue provides exploit mitigations and fixes for multiple security holes. This includes the addition of GrapheneOS's hardened_malloc, their own hardened Chromium-based browser called Trivalent, USBGuard to protect against USB peripheral attacks, and plenty more.

secureblue has definitely matured a lot since I first started using it. Since then, it has become something that could reasonably be used as a daily driver. secureblue recognizes the need for usability alongside security.

If you already have Fedora Atomic (e.g. Secureblue, Kinoite, Sericea, etc.) or CoreOS installed on your system, you can easily rebase to secureblue. The install instructions are really easy to follow, and I had no issues installing it on any of my devices.

I'd love more people to know about secureblue, because it is fantastic if you want a secure desktop OS!

(In honor of Holiday. You know who you are.)

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[–] [email protected] 1 points 19 hours ago

I will take a look, it looks interesting. Thank you very much

[–] [email protected] 4 points 3 days ago (1 children)

Oh, I wasn't aware of this, but it seems very interesting. Might be great for my work machine! Would be an Intel-only laptop. Nothing worrisome stood out to me in the FAQ; anything I should be wary of?

[–] [email protected] 4 points 2 days ago

Not OP. But, FWIW, I've been daily driving secureblue for over a year now. And it has been wonderful experience.

Note that, by virtue of its superior security model, preconceived knowledge may not translate well. However, if you read its documentation and FAQ, then I'm pretty confident that you should be fine. Thankfully, if something's not clear or if you're facing issues, then you're in good hands through their Discord.