It’s been a while since I last posted! So much has happened in the past few months!

I’ve had an amazing start to 2026: I met someone truly special, spent three unforgettable weeks traveling in South Korea, and reignited my passions for martial arts, photography, and drawing. On top of that, I’m studying for a new RHEL certification, which I’m determined to pass by the end of the year.

Even with all the difficult things happening in the world, I believe it’s crucial to filter out the negativity and focus on what brings us joy. Letting the weight of the world consume us only steals our peace.
As winter finally fades away, I’m looking forward to getting back on my bike and enjoying the warmer days ahead.

I hope your year is unfolding just as you hoped it would!

#bikeTooter #life #blog #tech #travel #photography #drawing #RHEL

I run 21 OCI containers with Podman (and Quadlets!) on my ARM aarch64 server on Netcup with Red Hat Enterprise Linux (RHEL) 10.1. Memory utilization is a bit high, but the system is working absolutely stable for months.

TLS certificates and ingress-routing is handled fully automatically by Traefik and labels, attached to the containers.

Having everything containerized, makes it really easy to clean up 🙂 There's some applications, that I don't even use anymore. Time to clean up.

Then I'll continue, replacing the old Authentik installation with Keycloak for my OIDC applications (Forgejo, Wallos etc.)

#linux #redhat #rhel #podman #devops #containers #forgejo #netcup

Never assume that just because a server is Ubuntu or RHEL, that its filesystem is ext4 or XFS.

Always verify with `df -hT` or `lsblk -f` before you start tuning mount options or disk quotas. Assumptions are the fastest way to break a perfectly good configuration (speaking from new experience). A two-second check ensures you are working with the right metadata before you begin the initialisation process.

Verification over guesswork, every time.

#linux #sysadmin #devops #rhel #ubuntu #archlinux #comptia #learning

Dear Openshift and Kubernetes users,

after my single-node OpenShift cluster broke for the third time (pods not coming up, no idea what went wrong this time), I reinstalled the machine and tried MicroShift.

I overlooked the tiny detail in the documentation that there are subscription repos for RHEL10, but only packages for RHEL9. So I had to reinstall my machine after trying RHEL10 first.

In general microshift seems to be an easy way to get a OpenShift-like "cluster" running on a single machine. I'll report back once I did some more thorough testing.

#OpenShift #MicroShift #Kubernetes #DevOps #Linux #RHEL #HellYeah #SelfHosting

Wonderful. Co-worker just let me know that a clip of one of my streams for work is featured in some kind of offensive, anti-systemd, ai generated, slop with anti-semitic undertones. Guess i'll report that. I'm sure that'll end with an equitable resolution and not just silently get ignored.

Being the face of RHEL is exhausting.

It wasn't even our engineer who submitted the age verification patch.

#linux #rhel

In the enterprise, "stability" isn't a buzzword—it's a requirement. Red Hat just moved the needle with RHEL Extended Life Cycle, Premium. 🐧

We’re talking a 14-year lifecycle and 6 years of extended maintenance for minor releases in one subscription. This is about providing "well-lit paths" for mission-critical systems, allowing you to manage tech debt on your timeline, not a vendor's.

#RedHat #RHEL #Linux #SysAdmin #Infrastructure

https://www.redhat.com/en/about/press-releases/red-hat-enhances-enterprise-stability-red-hat-enterprise-linux-extended-life-cycle-premium

Running your own identity provider is all fun and games until you're debugging OIDC token flows at 2 AM.

If you want to deploy Keycloak 26 the right way - with proper network isolation, no plaintext passwords, and systemd-native declarative configs. I just published a new deep-dive.

We're ditching compose files and building a production-ready, daemonless stack using Podman Quadlets and systemd.

Read the full guide here: https://blog.hofstede.it/keycloak-26-on-podman-with-quadlets-identity-management-the-systemd-way/

#Linux #Podman #Keycloak #systemd #DevOps #Containers #SelfHosted #RHEL #Security