Posted inUbuntu 22.04 Administration
How to Add and Remove Users on Ubuntu 22.04
One of the most essential tasks of a system administrator is to learn the method…
How to Set Up SSH Keys on Ubuntu 22.04
Secure Shell Technology or SSH is a network communication protocol that permits two systems to…
Posted inUbuntu Ubuntu Feed
Setting Up Environment Variables on Ubuntu
An environment variable contains a value, that is used to change the behaviors of the…
Posted inUbuntu Ubuntu Feed
How to Install Apache Maven on Ubuntu 22.04
Apache Maven is developed for the building the Java-based applications. It can also build applications…
Posted inUbuntu Ubuntu Feed
Download Ubuntu 22.04 – DVD ISO Images
Ubuntu 22.04 LTS Jammy Jellyfish is released and available for download. This tutorial will provide…
Posted inUbuntu Ubuntu Feed
Change Screen Resolution of An Ubuntu VM in Hyper-V
Recently I created a Ubuntu desktop virtual machine in the Hyper-V platform. After login to…
Posted inbenchmark Karafka karafka framework
Reduce your method calls by 99.9% by replacing Thread#pass with Queue#pop
When doing multi-threaded work in Ruby, there are a couple of ways to control the…
Controlling Elgato Key Light under Ubuntu with Ruby
Recently I’ve acquired Elgato Key Light. It is a WiFi controllable LED lighting panel. The…
Reading the uncompressed GZIP file size in Ruby without decompression
There are cases where you have a compressed GZIP file for which you want to…
Posted inUbuntu Ubuntu Feed
Ubuntu 22.04 – Release Schedule & Features
Ubuntu 22.04 codename is Jammy Jellyfish. Which is the next LTS (Long Term Support) release…