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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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Edit: it's CentOS 7 (original: CentOS 3 on a self checkout?!?) (lemmy.ml)

submitted 1 month ago* (last edited 1 month ago) by [email protected] to c/[email protected]

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Am I crazy in thinking that the shop I was in that has CentOS 3 running their self checkouts should have a more up to date and currently supported OS? These are brand new self checkouts (the shop has had them for about a year now, but you get my point.)

It’s a genuine question. Am I wrong in thinking that using this OS on a self checkout is a terrible idea? (FWIW this shop is an international retailer)

I have no stake in the shop or anything. I just happened to be there when they had to reboot a self checkout and I noticed the OS version as I was going by.

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[–] [email protected] 18 points 1 month ago* (last edited 1 month ago) (2 children)

It's not CentOS 3, it's CentOS with Linux kernel 3.10 (a 2014 kernel). This was supported in RHEL/CentOS through 2017.

Still very dated and a bad idea, of course. And even weirder that it's on a new machine. I've seen tons of stores using Win7 past it's EOL, but on older hardware.

[–] [email protected] 12 points 1 month ago* (last edited 1 month ago)

Its 3.10.0-1160, which means it's CentOS 7.9 that was released at the end of 2020. It was a super old kernel at the time of release though.

RHEL 7 just ended maintenance support a month ago and there's 4 years of ELS before it's completely end of life.

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