Running postgres in kubernetes with hugepages
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.
Fixing WinSXS manually, when DISM resigns
WinSXS corruption (the component store is repairable) is often a tedious task to repair, especially when working on Windows Server 2016 where builtin commands might not be able to fix this out of the box. This guide shows a way that worked in most circumstances to get WinSXS consistent again.
microk8s - change location of hostpath storage
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
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.
Use openssl to verify certificates
Certificates are essential for todays security needs. Sometimes it's required to revoke them, maybe because they are no longer needed or because they got even compromised. But how do you test manually if a certificate has been revoked?
Migrating zabbix from mysql to timescaledb - migration
This series describes how to migrate a mysql database to timescaledb - use case is to migrate a zabbix application database. This part handles the migration and switchover of the server environment up to completion of the migration.
Terraform - transform values of a map
If you're developer, you might wonder about control structures in terraforms declarative language. Some things need to think about the corner, some things are more straight forward than expected. Second applies to using for loops to map values.
Migrating zabbix from mysql to timescaledb - database setup
This part continues our mysql to timescaleDB migration. We prepare our target database and add some helpers on the source to create a resumable process.
