Category: General

GitLab docker on Ubuntu

Today I decided to move my self-hosted gitlab instance to Docker so that I will not need to reinstall and configure lots of things when migrating from one host to …

Server Monitoring with Zabbix

For a long time, I have stuck on many hosted monitoring softwares to avoid management effort on a self-hosted monitoring system. However, free stuffs cannot go long so I must …

Docker – Beginner’s Notes

Well, after a year returning to Docker, I can still be considered as a beginner since I forgot almost things that I did before :shame: So this entry, Docker – Beginner’s …

Upgrading Percona XtraDB Cluster

Guide can be found at https://www.percona.com/doc/percona-xtradb-cluster/5.7/howtos/upgrade_guide.html. There is no need to re-invent the wheel. I am too lazy to do it. Issue 1: If you are running mysql_upgrade and face the …

OpenVPN installation quick tutorial

Just a quick introduction for OpenVPN installation since there is a good work from https://github.com/Nyr/openvpn-install that helps install in 1-click. I just add some extra notes when installing as well as connecting for …