Programster's Blog

Tutorials focusing on Linux, programming, and open-source

SSL letsencrypt Certbot lets-encrypt

Automatically Renew Let's Encrypt SSL Certificates on Ubuntu 18.04 Apache Webserver

Learn how to automatically renew your Let's Encrypt SSL certificates on an Ubuntu 18.04 Apache webserver.

video-editing FFmpeg

FFMPEG - Crop Video

Tips on cropping video in ffmpeg.

PHP Excel spreadsheet phpspreadsheet

Getting Started With PhpSpreadsheet

Create excel spreadsheets with PHP using a PHP package.

PHP Laravel

Laravel Blade Views

Tutorial covering the use of Blade views in Laravel.

API RESTer

RESTer - Import/Export

Learn how to import/export from RESTer plugin.

sublime text-editor

Sublime Text - Install Flatland Theme

Install the flatland theme for Sublime Text editor.

terminal Terminator

Terminator - Change Default Window Size

Adjust the default size of the Terminator terminal when it launches.

Diagrams Documentation draw.io

Ubuntu - Install Draw.io Snap

Install the draw.io on Ubuntu 18.04

KVM snapshots PHP

KVM - Automated Snapshot Pruning Script

A script to automatically prune old snapshots and only keep the last X number.

monitoring Prometheus

Prometheus Query Cheatsheet

Cheatsheet of queries for prometheus

monitoring Prometheus

Export Stats For Prometheus With Node Exporter

Run node exporter on your servers for Prometheus to monitor them.

monitoring Prometheus

Deploy Prometheus With Docker

Deploy Prometheus through Docker

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Programster's Blog Ⓒ 2026