https://itguyeric.com/categories/guest-posts/Recent content in Guest Posts on Eric The IT GuyHugoen-USFri, 12 Jun 2026 09:00:00 -0500https://itguyeric.com/blog/ciq-community-vs-vendor-support/Fri, 12 Jun 2026 09:00:00 -0500https://itguyeric.com/blog/ciq-community-vs-vendor-support/I wrote this for the CIQ blog: an honest look at when community Rocky Linux support covers you and when a production environment needs the vendor support RLC Pro adds.https://itguyeric.com/blog/ciq-jetson-giveaway-oss/Fri, 05 Jun 2026 09:00:00 -0500https://itguyeric.com/blog/ciq-jetson-giveaway-oss/I put this together for the CIQ blog: what four winners at Open Source Summit 2026 said they would build with an NVIDIA Jetson Orin Nano running RLC Pro AI.https://itguyeric.com/blog/ciq-rlc-pro-ai-vs-hardened/Thu, 04 Jun 2026 09:00:00 -0500https://itguyeric.com/blog/ciq-rlc-pro-ai-vs-hardened/I wrote this for the CIQ blog: how to choose between RLC Pro AI and RLC Pro Hardened depending on whether you are running AI infrastructure or working under strict compliance.https://itguyeric.com/blog/rocky-secure-boot/Tue, 02 Jun 2026 09:00:00 -0500https://itguyeric.com/blog/rocky-secure-boot/I wrote this for Rocky Linux: Microsoft is rolling out new Secure Boot CAs and a KEK. Here is what changes and how to check your systems.https://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/rocky-security-repository/Thu, 14 May 2026 09:00:00 -0500https://itguyeric.com/blog/rocky-security-repository/I wrote this for Rocky Linux: an opt-in security repository that bridges the gap when a public exploit lands before upstream has a fix.https://itguyeric.com/blog/rocky-copyfail-cve/Mon, 11 May 2026 09:00:00 -0500https://itguyeric.com/blog/rocky-copyfail-cve/I put this out for Rocky Linux: patched kernels are available for 8.10, 9.7, and 10.1 addressing CopyFail. Update and reboot now.https://itguyeric.com/blog/rocky-community-survey-2026/Mon, 11 May 2026 09:00:00 -0500https://itguyeric.com/blog/rocky-community-survey-2026/I wrote this for Rocky Linux: 30 contributors told us where things stand. Here is what the survey said and what we plan to do about it.https://itguyeric.com/blog/tuxcare-kernelcare-no-reboots/Fri, 23 Jan 2026 09:00:00 -0600https://itguyeric.com/blog/tuxcare-kernelcare-no-reboots/I wrote this for TuxCare to explain, step by step, how KernelCare applies kernel patches to running memory so teams stay secure without rebooting.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/tuxcare-kernelcare-v3-signed/Fri, 12 Dec 2025 09:00:00 -0600https://itguyeric.com/blog/tuxcare-kernelcare-v3-signed/I wrote this for TuxCare as the signed-patch switchover arrived, urging teams still on older KernelCare agents to upgrade to v3 before coverage gaps appear.https://itguyeric.com/blog/tuxcare-fips-fedramp-2026/Mon, 01 Dec 2025 09:00:00 -0600https://itguyeric.com/blog/tuxcare-fips-fedramp-2026/I wrote this for TuxCare on building a FIPS and FedRAMP-ready environment on community Linux, and how TES fills the gaps the base OS can’t.https://itguyeric.com/blog/tuxcare-support-tiers/Fri, 10 Oct 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-support-tiers/I wrote this for TuxCare to break down the Essential, Enhanced, and Custom support tiers so teams can match coverage to their real risk profile.https://itguyeric.com/blog/tuxcare-vs-competitors/Wed, 08 Oct 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-vs-competitors/I wrote this for TuxCare: a fact-based comparison of TES against Red Hat, SUSE, Canonical, and Oracle across pricing, rebootless patching, and compliance.https://itguyeric.com/blog/tuxcare-kernelcare-v3-arrived/Wed, 17 Sep 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-kernelcare-v3-arrived/I wrote this for TuxCare to announce KernelCare Agent v3, which introduces signed patch validation while keeping live patching disruption-free.https://itguyeric.com/blog/tuxcare-enterprise-support-alma-rocky/Tue, 16 Sep 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-enterprise-support-alma-rocky/I wrote this for TuxCare on the relaunch of Enterprise Support, which now covers AlmaLinux and Rocky Linux together with 24x7 support and compliance-ready patching.https://itguyeric.com/blog/tuxcare-patch-aware/Tue, 02 Sep 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-patch-aware/I wrote this for TuxCare to explain what patch-aware scanning means, why traditional scanners get Linux wrong, and how it makes audits far less painful.https://itguyeric.com/blog/tuxcare-radar-eportal-proxy/Tue, 26 Aug 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-radar-eportal-proxy/I wrote this for TuxCare to show how ePortal can proxy Radar scans, so locked-down fleets route data through one internal server instead of each host phoning home.https://itguyeric.com/blog/tuxcare-radar-best-practices/Tue, 19 Aug 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-radar-best-practices/I wrote this for TuxCare on building real-world Radar routines, from tagging systems by risk zone to trading bloated spreadsheets for audit-ready reports.https://itguyeric.com/blog/tuxcare-radar-first-scan/Thu, 14 Aug 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-radar-first-scan/I wrote this for TuxCare to set expectations for your first Radar scan, including why fewer results is a feature, not a bug.https://itguyeric.com/blog/tuxcare-radar-getting-started/Wed, 06 Aug 2025 09:00:00 -0500https://itguyeric.com/blog/tuxcare-radar-getting-started/I wrote this for TuxCare to introduce Radar, a lightweight, patch-aware CVE scanner for Linux that installs from the command line and skips the false positives.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.