Frequently Asked Questions

Introduction To DNS (Domain Name System)

DNS, Domain Name System, is a hierarchical distributed naming system for computers, servers and every resource connected via internet. Since it was difficult to...

Firefox 29 Is Available For Download

Mozilla Firefox 29 has is available for download with a new user interface known as Australis and with many important changes and new features. 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 avoid sudo password prompt?

Question : How  to avoid sudo password prompt ? Answer  : First Assign the permissions to the sudoers file, by running the following command: chmod 740 /etc/sudoers Second: Edit file ...

Install And Configure Scponly In CentOS

Introduction Scponly is an alternative shell for system administrators who would like to provide access to remote users to both read and write local files...

Samba 4.0.10 Released!!

Samba is a a free software licensed under the GNU General Public License which is used to enable interaction between Microsoft Windows and other...

Adding and Deleting Cluster Resources (corosync pacemaker)

In our previous tutorial, we have shown you how to install corosync and pacemaker. We will show you now how to add resources. Before starting the...

How To Install OpenCart On CentOS 7 Linux

Today, we will learn how we can install OpenCart on our CentOS 7 Linux distribution. Why CentOS? CentOS Linux is a community-supported distribution derived from sources freely...

How to update and add repository in Ubuntu 11.04 Natty and...

 Question: How to install , update packages and add PPA repository  behind a proxy Server in Ubuntu 10.10, 11.04 Natty and 11.10 oneiric ocelot? Answer: Open...

Fedora virtualbox RC: NS_ERROR_FACTORY_NOT_REGISTERED

Question: How  to Solve this  issue  in Fedora: cannot  create object COM Callee RC: NS_ERROR_FACTORY_NOT_REGISTERED (0x80040154) Discussions related to using the OSE version of VirtualBox. Answer : You ...

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...

Custom message SSH amp MOTD Banner

Is it possible to display a custom message at login? The Answer is yes. To do that Edit the file "/etc/issue.net". sudo vi /etc/issue.net Authorized access only! All...

How to Install Cinnamon 3.0 On Ubuntu 16.04 LTS

As you all already know that Ubuntu 16.04 LTS is out there so today we will come to know how we can install & work...

How to create Master Slave environment in JENKINS

Jenkins is a self-contained Java-based program, ready to run out-of-the-box, with packages for Windows, Mac OS X and other Unix-like operating systems. MASTER SLAVE ENVIRONMENT...

Install Apache, MariaDB And PHP In FreeBSD10

This tutorial describes how to install AMP(Apache, MariaDB, PHP) server in FreeBSD 10. We assume you have the FreeBSD Ports Collection installed. If not, do: portsnap...

Prevent Google Chrome From Displaying PDF Files

By default, Google Chrome displays PDF files in the browser while trying to download them by clicking on their links. Which downloads and opens...

How To Install Mozilla Firefox 27 In Elementary OS “Luna”

Hello Guys, In this tutorial I am going to show how to install Mozilla Firefox 27 in Elementary OS 0.2 "Luna". Firefox can be installed easily...

Howto- Install RPM Packages on Ubuntu

In Ubuntu/Linux Mint you can  install softwares from Software Centers or via PPA/Synaptic . If any software is not available in deb/software center/ppa and...

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How Programming Homework Can Be Done Faster

Today we want to touch upon a critically important and relevant topic on which the success of everyone who needs to do programming homework...

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Effective Tips To Improve Linux Environment

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How to prevent a Supply Chain Attack in a Linux Environment

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Everything you should know about RHCSA Certification

Things you should know about RHCSA Certification Exam RHCSA or Red Hat Certified System administration exam is designed to test your knowledge and skills which...