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Keeping your system up-to-date is a very important process done by most Linux users. Most applications are automatically updated or even manually. In most cases the item which is not normally...
Whether you are a home user or a Network Administrator there are times when a system needs some repairs. The repairs may be a virus removal or a partition problem. Maybe data needs to be backed up...
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...