ClamAV – Linux antivirus and malware protection
So you are using Linux in your infrastructure and want to protect it against malware. An excellent choice. There used to be a myth, that Unix and Linux systems would …
AH00526: Syntax error on line 5 of /etc/httpd/conf.d/ssl.conf
Today I ran into an odd error on my foreman server. I had enabled auto-updates on Rocky Linux, and overnight httpd got updated. Today I found my foreman unresponsive, or …
ConfDroid Web Services – Here we come!
Time moves quickly, and it’s hard to believe the year is already halfway over. At the start of the year, I began a mini blog to document the migration of …
Kubernetes – create a configuration backup with kubectl
This article intends to explain how to create a configuration backup of an helm installed application via kubectl. The best way to install an application in Kubernetes is helm. So …
Kubernetes Quickie: Extract the Ca-Bundle
Today I came across a new little problem: Configuring a MutatingWebhookConfiguration for Nginx ingress controller. The example looks like this: See that caBundle thing? The value needed here has to …
Migrating my cloud to Kubernetes – storage – the final decision SSHFS
Anyone following my quest to migrate to Kubernetes has been reading about the thoughts and problems encountered about dealing with a cost-effective and valid storage back-end. I ended up simply …
Migrating my cloud to Kubernetes – Part III about storage facilities
Since a while I am on a quest to move my legacy cloud to Kubernetes and posted about this already here, here and here. So far I can say that …
Kubeternetes CNI Flannel on dual-homed nodes
During my quest to move to Kubernetes I seem to run into one issue after the next. Since I was unable to get Calico to work at all due to …
How to share fuse file systems with NFS
As part of my mini-blog about migrating to Kubernetes I am currently setting up an NFS share to allow kubernetes hosts hosting pods on shared storage, so the pods can …
converting openSSL x509 into Kubernetes secrets
Serving an application in Kubernetes via https requires an openssl key and secret, so you can prove that the application can be trusted and the trafiic through the internet can …