Container
Kubernetes Cluster & self-hosted Registry: Trusting the CA Paid Members Public
You build your OnPremise Kubernetes Cluster and set up your self-hosted private registry. To make it pretty you used your own CA to sign the certificate for the registry. Everything is fine and now you are ready to deploy your own services to your Kubernetes Cluster and develop some awesome
Running postgres in kubernetes with hugepages Paid Members Public
To run postgres in a container on nodes with huge pages enabled requires you to configure the container accordingly. This post shows how to do this on kubernetes/openshift.
microk8s - change location of hostpath storage Paid Members Public
Adjusting the hostpath storage location on microk8s requires you to adjust parameters in the associated deployment. This easy change is shown in this post.
nginx ingress controller cannot load default-ssl-certificate Paid Members Public
nginx ingress controller supports scoping to namespaces. This can be an issue with the default-tls-certificate in case this is not part of the scoped namespaces.
Service accounts in kubernetes 1.24 Paid Members Public
Kubernetes 1.24 changed the way serviceaccounttokens are presented by default on the cluster itself. If you need to retrieve the token, you mostly use a secret for this. This guide shows how to do this in kubernetes >= 1.24.
Rocketchat fails after upgrade with index error Paid Members Public
Upgrading rocketchat to version 5.0 resulted in some minor issues that prevented the system from starting - both are related to the database and can easily be fixed.
Migrating zabbix from mysql to timescaledb - setting up environment Paid Members Public
This series covers migrating a zabbix database from mysql to timescaledb. In this post we're preparing the databases for the migration.
docker swarm - preserve client ip on incoming connections Paid Members Public
Running services in docker swarm utilizes the docker swarm routing mesh which results in source nat (snat). If you need to bypass this, check out this guide.
