Programster's Blog

Tutorials focusing on Linux, programming, and open-source

SSL letsencrypt ACME-PHP lets-encrypt

Acme PHP - Installation

Install the ACME PHP tool.

AWS security IAM

AWS - Create Specific Keys For Security Access

See just how easy it is to create keys for your services that have limited access rights. This could save your bacon.

MySQL MariaDB CentOS-7

CentOS - Install MariaDB 5.5

Install MariaDB 5.5 on CentOS 7

JavaScript syntax-highlighting PrismJS

Enable Syntax Highlighting with PrismJS

Quick start for using PrismJS for syntax highlighting.

MySQL PHP

MySQLi Prepared Statements

A brief tutorial on using prepared statements and their pros/cons.

theme

Ubuntu 16.04 - Install Unity Tweak Tool

Install the unity tweak tool from a PPA

VLC

Ubuntu 16.04 - Install VLC PPA

Instructions for installing the various VLC PPAs

PHP

Ubuntu 16.04 - Install PHP Inotify

Install the Inotify extension for PHP 7.0 in Ubuntu 16.04

DNS

Using DigitalOcean for DNS

Instructions for switching to DigitalOcean as a DNS provider.

PHP composer

Composer Aliases

How you can use aliases for package names for testing dev branches.

Selenium testing

Configuring Headless Server for Selenium Testing

Some useful info on setting up a remote headless VPS so it can run selenium tests without using a headless browser.

cli wget

Axel - Faster Downloads From the CLI

Download things in the CLI faster with Axel

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Programster's Blog Ⓒ 2025