this post was submitted on 30 Sep 2023
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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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Can anyone tell me if the Debian Testing branch has been stable? I like Debian, and I like rolling release to be more up to date, so I was considering swapping from Fedora.
Either use Stable or Unstable. Testing is actually the most unstable of the three branches, due to how Debian works:
Updated packages are first introduced into Experimental, then into Unstable when they actually build and run. So Unstable is equivalent to Arch's main branch.
Then they automatically enter Testing after a few weeks without anyone reporting a critical bug.
What this means: Testing is the only branch where the decision over what enters isn't made by a human.
If someone notices critical bugs in Testing, the packages may be kicked out of Testing again until the bugs are fixed. So Testing is the only branch where packages can simply disappear when you run an update.
It's also the most insecure branch: When a vulnerability is discovered, the packages in Stable are patched to close it. The packages in Unstable are updated to a new version that closes it. In Testing, the vulnerability stays until the new version eventually migrates down the line again after spending a while in Unstable.
I've run Unstable for years. IMO it's a great rolling release distro with horrible branding.
Thanks for the info! I know what you mean that unstable is similar to Arch, but I know Arch has like a 3 day period or something like that before it hits the default "stable" repo. Is Unstable similar to that, or do they just raw dog it?
I've only been running Debian testing for a few weeks (hopped from Ubuntu dev), but I believe testing also has a 2 to 10 day period before pulling packages from unstable. Like after 10 days in unstable with no issues it automatically gets moved into testing, with more important updates getting a human moving it earlier.