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Fastest Road From CentOS Linux to RHEL

·1 min
Guest Posts RHEL CentOS Red Hat Migration

Back in 2023 I wrote this one for the Red Hat blog, with the CentOS Linux 7 and RHEL 7 end-of-life date — June 30, 2024 — bearing down on a lot of people. The whole point was to talk anyone staring at that deadline off the ledge: you don’t need a full infrastructure overhaul to get to a supported place.

Originally published on Red Hat Read the full article →

A few things I wanted people to walk away with:

  • It’s a supported, two-phase move, not a rebuild. Convert2RHEL gets you from CentOS Linux onto RHEL in place, and then Leapp handles the in-place upgrade to RHEL 8 — no new hardware, no re-installing everything from scratch.
  • In-place beats rip-and-replace for most shops. All the configuration, home directories, and packages you’ve accumulated come along for the ride, and both the conversion and the resulting system are Red Hat-supported — so if something breaks, you can actually open a ticket.
  • The real message was “start now.” June 2024 felt far off in 2023, but the sysadmin in me knew it wouldn’t be. Give yourself runway instead of scrambling at the deadline.

If you’re still sitting on CentOS 7 somewhere, the playbook in the full post still maps cleanly onto later EOL migrations.

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