this post was submitted on 20 Aug 2024
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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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Speaking of which, Debian users, how safe are distribution upgrades?
I just migrated a bunch of servers to Bookworm.
That was the first time ever I had any issues. There was a dependency loop that kept some packages from finishing installation.
Simply running apt dist-upgrade a second time fixed it.
That being said, don't just point your sources.list to the new version and dist-upgrade. It usually works, but for a production system, always read the guide and follow the steps that are relevant for you:
https://www.debian.org/releases/stable/amd64/release-notes/ch-upgrading.html
I haven't had any issues ever on stable.
Better than anything else, IME. My home server hasn't had a fresh install since Debian 8. It's now on 12 and each time I just dist-upgrade.
There are sometimes the odd breakage, but it's a lot less hassle than reinstalling everything. (we use EL at work and that takes months to migrate to new machines)