In this post, learn how to disable selinux in Red Hat and CentOS Operating System. Security-Enhanced Linux (SELinux) is a Linux feature that provides the mechanism for supporting access control security policies. How to check the status of SELINUX in linux system Use the given below command to check SELINUX status getenforce Open the file…
As we know recently CentOS 7 is released ,studded with many new features. On the part of exploring the CentOS 7, I encountered with first change. In my last post on finding the CentOS release version on CentOS 7, I gave a brief info that networking related changes is also found. A few days back…
In this tutorial, we will learn how to install pip3 / pip2 on Rocky/ RHEL/Ubuntu/Debian/CentOS Linux Operating System. After installation method, you will get some pip command examples. It will help you to kickstart on pip command. In this post we have covered both pip3 and pip2 installation method. We have been maintaining this post…
In this tutorial we will learn,how to install libjpegtran by using yum command in CentOS 6.x. The libjpegtran is mainly used for optimizing the jpeg and jpg format files.This utility compress an image without losing the quality of file. If you are running a website which has lots of jpeg/jpg file, which may take time…
Manual pages are software documentation found in Unix like Operating system and man linux distro. To get the information about package and command, we use the syntax yum install Package_name-Command_name.The abbreviation of Manual Page is man page . When you work in Unix like operating system,we generally need help and information about the package and…
Whois is a protocol which runs on port no. 43 and it is also act as query. Whois helps to get the information regarding internet resources like domain name and IP Address network blocks. Mostly it is widely used for getting information about domain like owner of domain name,its registrar,Date of expiry etc. Install whois…
In this tutorial we will learn how to create VirtualHost in Apache Webserver. With the help of VirtualHost we can host many domains or website from single Web Server.This is a simple example to start with your first VirtualHost configuration in Apache Webserver. We have used a few terms which is required for setting up…
In this tutorial we will configure the additional ethernet in CentOS. The practical has been done in Virtual box whereas it is also applicable to physical machines. Scenario: In Virtual Box,we have only one ethernet or NIC card (eth0) while installing the CentOS.Later we added one more ethernet(eth1) but when we were using command ifconfig…
Error installing rails Today I was installing the ruby and rails in my system and found two times this error.Hence I decided to post the how to install method of ruby and rails in CentOS 6.3 . The CentOS 6.3 was minimal installed. Follow the given below steps Step 1: Install the gcc,gcc compiler and…
How to change hostname or FQDN in CentOS and Redhat In this tutorial we will learn about,how to change Hostname or FQDN in CentOS and Red Hat. The method is applicable to all Red Hat based operating system. I have described about difference between hostname and FQDN which you can read from this post (The…