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 …

React Native – Beginner’s Notes

Introduction As when I started working on React more than 1 year ago, I faced many noob issues that I think many newbies will also struggle with. Several weeks ago, …

Hadoop A Beginner’s Note

 NameNode (NN) NN holds the metadata of the files in HDFS, maintains the entire metadata in RAM It is important to run NN from a machine that has lots of RAM …

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 …