Linux

update-alternatives on Ubuntu: Manage Default Program Links

When two or more installed programs provide the same command name, the system needs a way to decide which one…

1 week ago

Install Docker on Ubuntu 26.04: Official Repository Setup Guide

Install Docker on Ubuntu 26.04: Official Repository Setup GuideDocker is an open-source container platform that packages application code together with…

1 week ago

Install Asterisk on Ubuntu 18.04: Source Build and Secure Config

Asterisk is the most widely deployed open-source PBX (Private Branch Exchange) platform in the world. It powers VoIP gateways, IP PBX…

2 weeks ago

Install Ghost on Ubuntu 18.04: Node.js, MySQL, and Nginx SSL

Ghost is an open-source publishing platform built on Node.js. It is designed for bloggers, journalists, and independent publishers who want a…

2 weeks ago

Install Mattermost on Ubuntu 18.04: Nginx SSL Reverse Proxy Setup

Mattermost is an open-source, self-hosted team messaging platform and a direct alternative to Slack. It is written in Go and React,…

2 weeks ago

Install Ruby on Ubuntu 18.04: apt, Rbenv, and RVM Methods

Ruby is a dynamic, open-source programming language known for its clean, readable syntax. It powers the Ruby on Rails web framework…

2 weeks ago

Install PyCharm on Ubuntu 18.04: Community Edition via Snap

PyCharm is a full-featured Python IDE developed by JetBrains. It includes built-in debugging, embedded Git control, Docker and Vagrant support, Anaconda…

2 weeks ago

Install PHP on Ubuntu 26.04: Apache, Nginx, and Multiple Versions

PHP 8.5 is included in Ubuntu 26.04's default repositories and is the recommended version for new PHP applications. Many popular…

2 weeks ago

Upgrade to Ubuntu 26.04 from 25.10 and 24.04 LTS: Complete Guide

Ubuntu 26.04 LTS "Resolute Raccoon" arrived on April 23, 2026 with Linux kernel 7.0, GNOME 50, Python 3.14, PHP 8.5, Java…

2 weeks ago

Install Kubernetes on Ubuntu 26.04 with kubeadm and containerd

Kubernetes is the standard platform for running containerized workloads across multiple servers with self-healing, rolling updates, and built-in service discovery.…

2 weeks ago