Frequently Asked Questions

How to Convert RHEL 6.x to Centos 6.x

Question : How to Convert your RHEL 6.x to Centos 6.x ? Answer : If you are using RHEL 6.x and you want to move...

Setup PXE Boot Environment Using Cobbler On CentOS 6.5

In our previous tutorials, we had showed you how to setup PXE environment on Ubuntu 14.04, and CentOS 6.5. Install And Configure PXE Server On...

Jigdo: Downloading Huge ISO Files Made Easy

As you may know, Debian distributions images are totally set of 10 discs. The first one is the installation image, and the remaining images...

How To Find Device Names On Linux

I was asked a question recently and while the answer is easy a lot of people don’t bother googling first. The question was: How...

Howto upgrade Opensuse to 11.4

Question: How  to upgrade  Opensuse 11.x  to  11.4 ?   Answer 1- First  upgrade  you packages  to the  last  version with : zypper refrech zypper  up and  reboot Important...

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,...

Block Websites In Mozilla Firefox And Google Chrome

Hello Guys, How do you stay focused on the web? This tutorial is about an add-on that can help you stay focused when using the...

Install Wetty on Centos/RHEL 6.X

What is Wetty? As a system administrator, you probably connect to remote servers using a program such as GNOME Terminal (or the like) if you’re...

How to install Oralce 11g R2 Database server on Centos...

Question: How  to install  Oralce 11g R2 Database server  on Centos 6.x? Answer: 1-Before to begin you have to  download  Some  dependencies yum -y install binutils compat-libstdc++-33...

Tip: Kali Linux Live Root User Default Password

Hello Guys, It really has been a very long time, since I last published something. Now am back, and let's get to some geeky tricks...

How Import Chrome Bookmarks into Firefox

If you are avid Firefox and Google Chrome user might have asked yourself this question. How can I import Google Chrome bookmarks into Firefox...

How to Disable/Change Default PDF Viewer in Mozilla Firefox

Mozilla Firefox browser comes with a PDF viewer/PDF plugin by default. Here is a simple tip to disable default PDF viewer in your Firefox. Method...

How to upgrade from fedora 23 to fedora 24

Fedora Project, proudly announced the release of Fedora 24 version, Now it is available to Download and Install it on your machines. we can...

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 check ssh logs

Question : How  to Check  ssh  logs? Answer: For example if your  box is hacked and you want to know  who has did that...

SSH to your Linux systems from Android

Let us say, you are out of the office. You got a call from your office, and you are asked to fix an important...

Deadly Linux Commands

In every society there is always the good and the bad. The bad are working day in day out to harm the works of...

How To Reset Root Password On CentOS 7

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