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...

phpmyadmin: cannot load mcrypt extension| Solved

This  is  The  problem  page. How  to  resolve  this  issue.? in Fedora  centos   tested  this  solution; #yum  install php-mcrypt # yum install php-mbstring   Now   restart   you apache   with /etc/init.d/httpd ...

Install GFS2 In CentOS 6.5

In computing, the Global File System 2 or GFS2 is a shared disk file system for Linux computer clusters. GFS2 differs from distributed file...

How to Configure PPPOE in Centos 7/RHEL 7

The Point-to-Point Protocol over Ethernet (pppoe or PPPOE) is a network protocol for encapsulating PPP frames inside Ethernet frames. It appeared shortly after the...

5 Data Security Issues on Linux

Every tech enthusiast knows that Linux comes with the freedom that hardly any other OS can offer. We don’t even have to get into...

How To Make Nvidia Optimus Technology Work (properly) On Debian

Hello guys! My name is Cosmin Crihan and I am writing this tutorial in order to show you how to make the Nvidia optimus...

Betty: Translate English Phrases Into Linux Commands

Betty is an open source tool that translates English-like phrases into Linux commands. The main goal of this project is to use the Linux...

Linux Commands Every Sysadmin Must Know

If you are a system administrator, then Linux commands are what you use everywhere, you know what they are for and how to use...

ttystudio – Record the Terminal session in GIF

A while ago, we have written about 'script' command which can be used to record the Terminal activities in Linux. For more details about...

Install Zarafa On CentOS 6.5 – An Alternative To Microsoft Exchange...

Are you looking for a best alternative to Microsoft Exchange server? Then Zarafa is the one you should try. Zarafa, previously known as Connectux, ...

Some Basic Linux Commands I Have Used During My Linux Journey...

As you keep working on linux you get better and better on the command line. it comes a point where you say to yourself:...

How to fix: VirtualBox Callee RC: NS_ERROR_FACTORY_NOT_

Question : How to fix: VirtualBox Callee RC: NS_ERROR_FACTORY_NOT_REGISTRED Answer: remove   tmp   vbox  files  under tmp   and  (dot)vbox-usernames    directory rm -rf    /tmp/.vbox* This  method  was  tested  under   Fedora 14 ...

Linux vs Windows: Here are 9 Most Essential Differences

Linux and Windows are the two most popular operating systems for personal computers. Both of the systems have different purposes and functionality. But each...

Python Auto deploy LAMP in centos7 and FreeBSD 10.x

In this Article we will show you how to  deploy and full Lamp  ( Apache /MariaDB server /Php) stack  installation from your laptop  or ...

How To Install Zimbra Collaboration Suite 8.6.0 On CentOS 7

Zimbra Collaboration Suite (ZCS) is a groupware product created by Zimbra, Inc. It is widely used in the world. Users can share folders, contacts, schedules...

How To Check The Progress Of Your Commands With The ‘cv’...

As a Linux user you deal with many different commands during the work on a system such as copying file with the cp command,...

How to Configure apt-get behind proxy server for Ubuntu 14/15/16

After Installing Ubuntu 16.04 to make some monitoring tests, I was not able to get or update behind the http/https/ftp  proxy  . Here how...

Install Puppet Server CentOS 6.5/6.4

Puppet is a tool designed to manage the configuration of Unix-like and Microsoft Windows systems declaratively. The user describes system resources and their state,...