Linux tutorials

How to install XenServer Tools on Linux VMs

Question:  How  to install  XenServer Tools on Linux VMs  ?  Answer : Select the VM in the Resources pane, right-click, and then click Install XenServer...

Custom Software Development for Small Businesses and Linux

Any business depends significantly on software development. It helps you to manage your data, keep track of your inventory, and improve customer satisfaction. The...

Comparative Introduction To FreeBSD For Linux Users

Introduction BSD was originally derived from UNIX and currently, there are various number of Unix-like operating systems descended from the BSD. While, FreeBSD is the...

How to prevent SSH from disconnecting sessions

Introduction If you work with SSH, you already know that, after few minutes of inactivity, a session would be closed automatically, for security reasons. In...

IPTABLES VS FIREWALLD

Today we will walk through iptables and firewalld and we will learn about the history of these two along with installation & how we can...

How To Check Which Program Is Using A Port Via Terminal

You are sometimes trying to install or configure a program and bind it to a port and it throws an error. That means some...

5 Less known Linux Admin Tools

In this brief tutorial, let us discuss some less known Linux admin tools that can be used for day to day Linux administration tasks. 1....

Howto Install LAMP in Debian Sqeeze

LAMP (Linux, Apache, MySQL and PHP) is an open source Web development platform that uses Linux as operating system, Apache as the Web server,...

A guide to app redesign: Making it evolve!

If you want your app to be a long-standing one, you should adapt it to the environment. Times change, and user tastes are changing...

Conky_7 and Conky_8- Just Another 2 Stunning themes for Conky

In my previous posts, we saw together many nice themes for conky (Conky Lua, Conky_2, conky_5 and more). Recently was released 2 new conky...

The Best VPN GUI For Linux

Setting up a VPN on Linux used to involve the terminal, Stack Overflow and a computer science degree. Nowadays, the process is a lot...

Deploy LAMP and/or LEMP stacks easily using Docker

After reading the title of this guide, you might wonder why should we deploy LAMP and LEMP stacks using Docker? Why can't we just...

Install Moodle Learning Managment System on CentOS 6

Moodle is a Course Management System (CMS), also known as a Learning Management System (LMS) or a Virtual Learning Environment (VLE). It is a...

ncdu – NCurses Disk Usage Analyzer

Ncdu (NCurses Disk Usage)  is a ncurses-based du viewer. It provides a fast and easy-to-use interface through the well-known du command. It displays percentages of disk usage and...

Redhat Certified System Administrator RHCSA exam

Red Hat Certified System Administrator (RHCSA) was launched in November 2010. It replaces the old Red Hat Certified Technician (RHCT) qualification. The RHCSA exam (EX200)...

Tips to Enhance Linux Security

In recent years, the usage of linux operating systems has increased a bit. Though, not at that impressive rate, there have been more users...

Install Latest Stable Kernel On CentOS 6 And 7

In this brief tutorial, let us show you how I have upgraded my centos 7 kernel to the latest stable version. I am going...

QEMU / KVM: Using the Copy-On-Write mode

The mode "Copy-On-Write", often referred by the acronym COW, is available on some formats of virtual machine disk as QCOW2. Specifically, when using the COW...