RPC – Remote Procedure Call
RPC is a powerful technique for building distributed applications based on the client-server model. The model extends the notion of...
How to use TW CLI
TW_CLI is a powerful command-line tool for managing 3Ware RAID controllers. It allows you to monitor disks, configure RAID arrays,...
What is Java and how to install Java in Ubuntu 18.04
First of all, we need to clarify what Java is. Java is a highly-targeted, object-oriented programming language designed in the...
What is a Virtual Private Network
A Virtual Private Network, or a VPN as it most commonly called, is a private tunnel that connects two or...
How to secure your private Wi-Fi network
When creating a private Wi-Fi network for your home, you need to make sure your network is secure. You need...
What is the DOS OS
DOS (Disk Operating System) is a single-tasking, single-user command-line operating system that dominated the personal computer market in the 1980s....
Changing permissions on a file in Linux
To change the attributes (permissions) of a file or folder, use the chmod command: chmod new_permission filename Example (see how...
What is The Linux Kernel
The Linux kernel is the most essential part of the OS, the one that works with the CPU and is...
What is FastCGI suPHP and mod_php
FastCGI is a protocol for interactivity with a web server. FastCGI is a variation of the older Common Gateway Interface...
Gpasswd command – modifying some group features in Linux
The gpasswd command is the equivalent of the passwd command for groups. This command provides the ability to modify some...
