Posts for technology


Backup Percona XtraDB Cluster or Galera Cluster with TwinDB

Database servers and clusters should be backed up regularly to prevent data loss when an error or d…


High Available MySQL database cluster to eliminate your next SPOF

In high-available production environments like a Software-as-a-Service Cloud environment, you have …


Extend Kubernetes Persistent Volumes

In Kubernetes it is possible to use Persistent Volumes to add persistent storage to your Docker con…


Kubernetes cluster on OpenStack - Part 1

The last few weeks I'm working with Kubernetes and OpenStack. It's a steep learning curve to get a …


KPN Routed IPTV on an Ubiquiti EdgeRouter Lite - Lessons Learned - Part 2

After blogging about my lessons learned on 28 March this year, I have to create a 'part 2' because …


Setup a VPN server on your Ubiquiti EdgeRouter Lite

By connecting to my VPN server I have always a secure connection and can access my home network fro…