Welcome to Our Community

While Linux.org has been around for a while, we recently changed management and had to purge most of the content (including users). If you signed up before April 23rd, 2017 please sign up again. Thanks!

  1. Note: we recently updated out site software, please report any unseen issues - we do this often to insure your information is secure.
    Dismiss Notice
You've opened a UDP port on your server but not sure how to check if you can reach it from the outside.

When testing TCP ports, you can check with tools like nmap or nc only from the outside, but...
I'm sure you've heard of cryptocurrency, likely even own some. It's been bought, sold and traded since 2009 and has really gained a lot of steam lately. Some of the more popular coins out there...
Timeshift for Linux is an application that provides functionality similar to the System Restore feature in Windows and the Time Machine tool in Mac OS. Timeshift...
In the LFCS exam you may be asked to create or modify files. One simple way is to use the program ‘Nano’. Other programs can be used, but it is up to you which program you use. Remember that the...
With a standard Linux System you can use ‘libvirt’ to manage Virtual Clients (VC). For more virtual ability you can add Xen to Linux.

The basic installation of Xen is not a complicated one....
When Ukraine became independent in 1991, the new country and its people had to learn to navigate an unfamiliar conceptual landscape that included “market economy”, “private entrepreneurship”,...
When you log into a server you're usually met with a message from the management or administrator of the server. Generally, this will be something like "welcome to blah server, we review log...
Virtual Clients (VC) or Guests run on a Virtual system. The system is managed by a Hypervisor which handles the CPU and memory. The Clients are set up either as a Hardware Virtual Machine (HVM) or...
Probably one of the things that scares most new users is being able to get around within Linux on the command line. You know, changing directories, finding out where you are currently, etc.....
You'll come across a time that you'll need to add a user to the sudoers file. This is done by using the visudo command as root.

I created this video about a year ago - hopefully it will help...