Programster's Blog

Tutorials focusing on Linux, programming, and open-source

PHP Selenium

Getting Started With Selenium Testing using PHP

Get started with using Selenium for automating tests, and writing those tests in PHP.

mkv video-editing mkvmerge

Fix Aspect Ratio of MKV Files

Fix MKV video files that have a stretched look due to an incorrect aspect ratio.

mkv video-editing mkvmerge

Fix Audio Sync Issues In MKV Video Files

Learn how to fix the audio not being in sync with the video on your MKV media files.

DNS Webmin

Webmin DNS - Create Address (A) Record

Instructions on how to create an address (A) record in Webmin DNS.

DNS Webmin

Webmin DNS - Create Master Zone

Instructions on how to create a "master zone" in webmin for DNS, and why you would want to create one.

DNS Webmin

Webmin - Install Bind9 DNS Module

Instructions on how to install the BIND9 module for DNS in Webmin.

Webmin

Ubuntu 16.04 - Install Webmin

Instructions on how to install webmin in Ubuntu 16.04.

Ansible

How I Set Up Ansible Master / Slave

My guide on how to set up and use Ansible after having installed it.

GPS

Extracting GPS From Go Pro Hero 5

Extract GPS data from your Go Pro Hero 5 video file, into a text format you can actually use.

PostgreSQL

Ubuntu 16.04 - Install PostgreSQL 10

How to install PostgreSQL on Ubuntu 16.04

Nginx webserver

NGINX - Redirecting Non Whitelisted IPs

Use NGINX to allow specific whitelisted IPs through, and redirect all other IPs to another site.

MySQL GIS

MySQL GIS Cheatsheet

A cheatsheet for using GIS with MySQL

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Programster's Blog Ⓒ 2025