https://itguyeric.com/tags/centos/Recent content in CentOS on Eric The IT GuyHugoen-USTue, 26 May 2026 09:00:00 -0500https://itguyeric.com/blog/tuxcare-almalinux-vs-rocky/Tue, 26 May 2026 09:00:00 -0500https://itguyeric.com/blog/tuxcare-almalinux-vs-rocky/I wrote this for TuxCare comparing AlmaLinux and Rocky Linux as CentOS successors, their governance models, and how TES supports both under one contract.https://itguyeric.com/blog/tuxcare-future-enterprise-linux/Wed, 21 Jan 2026 09:00:00 -0600https://itguyeric.com/blog/tuxcare-future-enterprise-linux/I wrote this for TuxCare on how the end of CentOS Linux pushed enterprise Linux toward collaboration, transparency, and community-led stability.https://itguyeric.com/blog/fedora-ep42-epel/Tue, 03 Dec 2024 09:00:00 -0600https://itguyeric.com/blog/fedora-ep42-epel/A quick companion to Fedora Podcast episode 42, where we dug into EPEL — how it works, why sysadmins trust it, and what’s new in EPEL 10. Watch or listen right here.https://itguyeric.com/blog/convert2rhel-pre-conversion-analysis/Wed, 13 Mar 2024 09:00:00 -0500https://itguyeric.com/blog/convert2rhel-pre-conversion-analysis/A tech tip on the Convert2RHEL pre-conversion analysis, run through Red Hat Insights to catch blockers before you convert CentOS Linux 7 to RHEL.https://itguyeric.com/blog/rhelpresents-ep68-rhel-development/Thu, 02 Nov 2023 09:00:00 -0500https://itguyeric.com/blog/rhelpresents-ep68-rhel-development/Mike McGrath and Gunnar Hellekson join us to explain how RHEL is developed, the upstream-first ethos, and why you can’t have RHEL without Fedora and CentOS Stream.https://itguyeric.com/blog/centos-to-rhel-path/Thu, 28 Sep 2023 09:00:00 -0500https://itguyeric.com/blog/centos-to-rhel-path/A guided look at the CentOS Linux 7 end-of-life decision, then an in-place conversion to RHEL 7 with Convert2RHEL and extended life cycle support.https://itguyeric.com/blog/centos-vs-rhel-management/Wed, 02 Aug 2023 09:00:00 -0500https://itguyeric.com/blog/centos-vs-rhel-management/A former CentOS admin’s honest comparison of daily life on CentOS versus RHEL, covering subscriptions, support, Image Builder, Insights, Satellite, and Ansible.https://itguyeric.com/blog/convert2rhel-centos7-rhel7/Tue, 25 Jul 2023 09:00:00 -0500https://itguyeric.com/blog/convert2rhel-centos7-rhel7/A tech tip on converting CentOS Linux 7 to RHEL 7 with Convert2RHEL, including the discounted third-party migration subscription and ELS support.https://itguyeric.com/blog/redhat-centos-eol/Tue, 11 Jul 2023 09:00:00 -0500https://itguyeric.com/blog/redhat-centos-eol/I wrote this for the Red Hat blog: CentOS Linux 7 goes EOL on June 30, 2024, and here is why converting to RHEL is the most direct path off it.https://itguyeric.com/blog/redhat-fastest-road-centos-rhel/Tue, 04 Apr 2023 09:00:00 -0500https://itguyeric.com/blog/redhat-fastest-road-centos-rhel/I wrote this for the Red Hat blog: the fastest supported way off CentOS Linux 7 before its June 2024 end of life, without a rip-and-replace.https://itguyeric.com/blog/rhel-leapp-8-to-9/Wed, 21 Sep 2022 09:00:00 -0500https://itguyeric.com/blog/rhel-leapp-8-to-9/A demonstration of Leapp upgrading a RHEL 8.6 home-lab VM in place to RHEL 9.https://itguyeric.com/blog/2-tools-to-manage-infrastructure-sprawl-with-red-hat-enterprise-linux-rhel/Tue, 30 Aug 2022 08:00:00 -0500https://itguyeric.com/blog/2-tools-to-manage-infrastructure-sprawl-with-red-hat-enterprise-linux-rhel/For a systems administrator, it seems like every project brings new complexity, more servers, and more sprawl to manage. I will assume that your messes are a lot like mine: On one server, you’re…https://itguyeric.com/blog/rhelpresents-ep37-centos-in-the-stream/Wed, 18 May 2022 09:00:00 -0500https://itguyeric.com/blog/rhelpresents-ep37-centos-in-the-stream/RHEL Presents 37 explaining CentOS Stream.https://itguyeric.com/blog/rhel-leapp-7-to-8/Fri, 10 Dec 2021 09:00:00 -0500https://itguyeric.com/blog/rhel-leapp-7-to-8/A walkthrough of using Leapp to upgrade a RHEL 7.9 system in place to RHEL 8.https://itguyeric.com/blog/convert2rhel-from-oracle/Fri, 29 Oct 2021 09:00:00 -0500https://itguyeric.com/blog/convert2rhel-from-oracle/I demo converting an Oracle Linux system to Red Hat Enterprise Linux with Convert2RHEL, including swapping the Unbreakable kernel for the Red Hat kernel.https://itguyeric.com/blog/convert2rhel-from-centos/Tue, 21 Sep 2021 09:00:00 -0500https://itguyeric.com/blog/convert2rhel-from-centos/I introduce Convert2RHEL and demo an in-place conversion of a CentOS Linux system to fully supported Red Hat Enterprise Linux.https://itguyeric.com/blog/rhelpresents-ep20-convert2rhel/Wed, 08 Sep 2021 09:00:00 -0500https://itguyeric.com/blog/rhelpresents-ep20-convert2rhel/A guest appearance on RHEL Presents 20 about Convert2RHEL: how to move an existing CentOS or derivative system to RHEL in place, without a reinstall.https://itguyeric.com/blog/las2018-travel-day/Tue, 04 Sep 2018 06:00:00 -0500https://itguyeric.com/blog/las2018-travel-day/Kansas City, Missouri to Denver Colorado, 1 Interstate, 609 miles, 8 hours of podcasts… Nothing but rain! However, the nice thing about this road trip was it gave me time to consider a few things…