How to check and monitor a hard drive in Linux
SMART (Acronym for Self-Monitoring, Analysis and Reporting Technology) can be found on all modern hard drives, allowing for the detection...
How to enable the automatic updates on CentOS 8 / AlmaLinux / Rocky Linux / RHEL
In today’s world, where vulnerabilities are found daily, it is imperative that you keep your servers updated. If you do...
What is MTR
MTR is a simple network diagnostics tool that combines the functionality of traceroute and ping programs commonly used as a...
What is Address Resolution Protocol (ARP)
When a machine wants to send a packet on an Ethernet network, it has the IP address but not the...
How to install WordPress on CentOS 6/7
How to install WordPress on CentOS 6/7 WordPress is one of the most popular and open source blogging websites requiring...
What is Perl
Perl is an acronym for Practical Extraction and Report Language. It was designed by Larry Wall to be a tool...
USB access in qubes OS
By default, accessing USB devices is disabled. Enabling USB access comes with specific security risks, but for most of us,...
Array data structure
A string of data or an array is a structure that contains multiple values of the same type of data....
Linux from Scratch
Unlike classic distributions, it does not come with a CD and does not install with a few clicks but is...
What is BASH
Bash is a scripting language compatible with shell commands. It can be executed either from the standard input or from...
Tcl/TK and UML programming languages
Tcl/TK (Tool Command Language) is a scripting language based on strings, interpreted at run time. These features allow it to be...
How to test the speed of the internet connection in the Linux terminal
Speedtest is the most widely used internet speed test tool. In graphic mode, it’s very simple to use. But Speedtest...
