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> you'll encounter a box running a distro version from before /etc/os-release became the standard

Do those boxes really still exist? Debian, which isn't really known to be the pinacle of bleeding edge, has had /etc/os-release since Debian 7, released in May 2013. RHEL 7, the oldest Red Hat still in extended support, also has it.

discuss

yjftsjthsd-h|2 months ago

> the oldest Red Hat still in extended support, also has it.

You would be alarmed to know how long the long tail is. Are you going to run into many pre-RHEL 7 boxes? No. Depending on where you are in the industry, are you likely to run into some ancient RHEL boxes, perhaps even actual Red Hat (not Enterprise) Linux? Yeah, it happens.

cesarb|2 months ago

> Do those boxes really still exist?

Yes, they do. You'll be surprised by how many places use out-of-support operating systems and software (which were well within their support windows when installed, they have just never been upgraded). After all, if it's working, why change it? (We have a saying here in Brazil "em time que está ganhando não se mexe", which can be loosely translated as "don't change a (soccer) team which is winning".)