Frequently Asked Questions

How to change Grub Background themes in ubuntu and Linux Mint

The default  Grub Background of Debian Linux  is like shown in below. you might have got tired of seeing a blue box with black...

Setting Up Samba Primary Domain Controller On CentOS 7

In our previous tutorial, we have shown you how to setup a Samba Standalone server. This tutorial describes how to setup Samba Primary Domain...

Howto- Install Python 3.x in Ubuntu, Debian, Fedora & Centos

Question: How to install Python 3.x in Ubuntu, Fedora &  Centos? Answer: 1- To be able to compile Python Source, you will need few packages. Open...

How To Drop Database In Oracle 11 Without Using DBCA

In this small tutorial, I want to show you how to drop the database without using the GUI tool DBCA 1- Export database SID if...

How To Reset Root Password On CentOS 7

The way to reset the root password on centos7 is totally different from Centos 6. Let me show you how to reset the root...

How To Install EPEL Repository On CentOS And RHEL 7

The Red Hat Enterprise Linux 7 has been released a couple of days before. In this tutorial, let us see how to enable EPEL...

Install Oracle Database 12c On CentOS7

In this tutorial, we will show you how to Install Oracle Database 12c On CentOS 7 OS information: # cat   /etc/centos-release CentOS Linux release 7.0.1406 (Core) Network: # ip...

Reset Your Forgotten Root Password On RHEL 7

Sometimes you forget stuff like meetings, seminars,passwords etc. I do. But forgetting a password to a Servers with no easy way to reset it...

How To Setup Apache Hadoop On CentOS

The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple...

How To Add Repositories To Debian 8.1.0

We recently reviewed the much touted release of Debian 8.0. Debian 8, Codenamed ‘Jessie’, Review Yesterday, we witnessed the release of its first update, Debian 8.1.0. Upon...

How To Check CPU Information In Three Different Ways In Linux

Dear Linux geeks, Sometimes you need to find information about your CPU on your Linux machine and there are many ways to do it. So...

HOW TO SET GRUB2 PASSWORD IN RHEL7/CENTOS 7

  In our last article we known about how to reset the root password but its security vulnerable to Linux.Anyone who have physical access to...

Linux Troubleshooting: How To Fix ‘lsb_release’ Command Not Found In CentOS?

Recently, I came through an error called "You must install lsb_release binary before launching this install script." while testing "Shinken" network monitoring tool. After...

How to rename or change user name in Linux

Question : How  to  rename or  change user name in Linux? Answer: killall -u old id old usermod -l new old groupmod -n new old usermod -d /home/new -m new usermod...

How to upgrade debian to latest release

i  will  show  in this small tutorial how to upgrade debian to latest release .in this example  i will update my debian 8.2 to...

Setup static IP on Debian 8

Many People are using Debian like a Server,  and the Static IP  is one the requirements of  using   Linux servers to make them...

Install Oh-My-Zsh In Ubuntu, Arch Linux And Fedora

Oh-My-Zsh is an open source, community-driven framework for managing your ZSH configuration. It comes bundled with a ton of helpful functions, helpers, plugins, themes,...

Backup and restore Gmail with GMvault

Introduction GMvault is very easy to use, lightweight and quick application that is used to backup and restore all of your email accounts from gmail....