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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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Upgrade vs Reinstall (lemmy.world)

submitted 9 months ago by [email protected] to c/[email protected]

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I'm a generalist SysAdmin. I use Linux when necessary or convenient. I find that when I need to upgrade a specific solution it's often easier to just spin up an entirely new instance and start from scratch. Is this normal or am I doing it wrong? For instance, this morning I'm looking at a Linux VM whose only task is to run Acme.sh to update an SSL cert. I'm currently upgrading the release. When this is done I'll need to upgrade acme.sh. I expect some kind of failure that will require several hours to troubleshoot, at which point I'll give up and start from scratch. I'm wondering if this is my ignorance of Linux or common practice?

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[–] [email protected] 3 points 9 months ago

No, it's the same on the Windows side. Personally I like to build a new one in parallel, then migrate. I do plenty of upgrades on desktops, but I don't think I've ever done one on a server (except stuff like CentOS 7 to 8 where it's not really that significant of a change).

Migration is the safe option, but if it's a huge pain to migrate, I might do the in-place upgrade with a rollback plan ready if it really goes poorly.