Frequently Asked Questions

10 Commands Every Linux Newbie Should Know – Part 1

Newbies always think Linux distros are hard or difficult to understand so far as the terminal is concerned. Most of them nearly went back...

SELinux And Non-Default Home Directory Locations

SELinux greatly enhances security by going beyond discretionary access control (DAC) and implementing mandatory access control (MAC). MAC allows implementation of additional restrictions on...

How To Delete Oracle 11g Database Manually ?

How to delete Oracle 11g database manually? The following steps shows how to manually delete a database within Oracle 11g, running in an Linux environment. I have...

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...

[Quick Tip] How To Re-enable Save And Quit Feature In Firefox

Mozilla Firefox is a great browser, we all use it. In fact as I type this post am using a Firefox browser. In this...

Setup Local Yum Repository On CentOS 7

This tutorial describes how to setup a local Yum repository on CentOS 7 system. Also, the same steps should work on RHEL and Scientific...

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...

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 Upgrade Shotwell 0.14 to 0.15 in Ubuntu 13.10/13.04

Shotwell is a digital photo organizer designed for the GNOME desktop environment developed by Yorba. It allows you to import photos from disk or camera,...

How to Change Hostname in Ubuntu 13.10

Question: How  to change  hostname in Ubuntu  13.x ? Answer: 1. First make a backup of the following files. cp /etc/hosts /etc/hosts.back cp /etc/hostname /etc/hostname.back 2. Edit the 'hosts' file: vi...

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,...

openssl to convert cer chaine files to p7b files

Question: How to convert cer files to p7b files ? Answer: Lets download the  cer  files  from the  server openssl s_client -connect mijn.ing.nl:443 -showcerts CONNECTED(00000003) depth=3...

Opensuse behind proxy fix for Opensuse 42.1 or ...

I was just fighting last day to make this configuration working.  how to fix that  in organizations like companies or schools to make zypper ...

How To Install Vmware 10 On CentOS 7

I will give you my experience install of vmware 10.0.3 on centos 7. Normally it will not work with centos 7, because it's running...

How to enable or disable repositories in CentOS

I am sure most of you use many YUM repositories to install softwares on any RPM based distributions like RHEL, CentOS, Fedora etc. Sometimes,...

How To Enable Monitor/Projector Connected To A Manjaro Linux Box

Hello Guys! I've been using Manjaro Linux for sometime now and finds it a very interesting Linux distro to try your hands on. Watch out...

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...