I replaced Buffer with a self-hosted instance of Postiz running on RHEL 10. One Podman container. Six social media platforms. Full API control. This is the technical walkthrough of what I built and what broke along the way.
Continue Reading “Self-Hosting Postiz on RHEL 10: One Container, Six Platforms, Zero SaaS”
Request Tracker 4.4 reached end of life in November 2025. I’d been running RT 4.4.4 in a container on one of my Linode servers since 2020, and the upgrade to RT 6.0.2 had been sitting in my backlog for months. It’s the kind of task that’s never urgent until it is. You and I both
Continue Reading “I Upgraded Request Tracker with an AI Co-Pilot. Here’s What Actually Happened.”
A practical walkthrough of setting up CI/CD for a RHEL 10 bootc workstation image using GitHub Actions, Podman, and Quay.io — including the workarounds you’ll actually need.
I want to highlight a great post by Brendan Gregg: Linux Crisis Tools. He does a walk through of a scenario that strikes me as very realistic, and brings back memories from my 15 years managing Linux servers. You can tell he has real-world sysadmin experience. I think that’s key for being a good thought
This presentation is a 16 slide introduction to what must be thought about when building a production cloud. Proper image management is critical engineering task.
This presentation is a 16 slide introduction to what must be thought about when building a production cloud. Proper image management is critical engineering task.
Continue Reading “BrightTalk 2022: Virtual US: Upgrading to RHEL 9 (and Beyond) with Containers”
Today, I noticed that the WordPress Admin Console was complaining that I was using PHP 7.2 which is getting old. I was kind of dreading upgrading because upgrades are a nightmare, but then I realized I had put everything in containers. One of the things that makes containers awesome is how easy it is to
Continue Reading “Upgrading from PHP 7.2 to PHP 7.4 with Red Hat Universal Base Image”
This presentation is a 16 slide introduction to what must be thought about when building a production cloud. Proper image management is critical engineering task.
Continue Reading “DevConf 2021: Virtual CZ: Building Smaller Container Images”
This presentation is a 16 slide introduction to what must be thought about when building a production cloud. Proper image management is critical engineering task.
Continue Reading “DevConf 2021: Virtual CZ: Understanding Root Inside and Outside of a Container”
This presentation is a 16 slide introduction to what must be thought about when building a production cloud. Proper image management is critical engineering task.
Continue Reading “Snyk Webinar 2021: Virtual: Hack My Mis-Configured Kubernetes”
