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CentOS - Community Enterprise Operating System

CentOS is a discontinued Linux distribution that provides a free and open-source community-supported computing platform, functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL). In January 2014, CentOS announced the official joining with Red Hat while staying independent from RHEL, under a new CentOS governing board.


CentOS originated as a build of CAOS Linux, an RPM-based Linux distribution started by Gregory Kurtzer in 2002. Infiscale described its GravityOS as "[including] the small footprint of Caos", indicating a certain level of influence from the discontinued distribution.

In June 2006, David Parsley, the primary developer of Tao Linux (another RHEL clone), announced the retirement of Tao Linux and its rolling into CentOS development. Tao users migrated to the CentOS release via yum update.

In July 2009, it was reported in an open letter on the CentOS Project web site that CentOS's founder, Lance Davis, had disappeared in 2008. Davis had ceased contribution to the project, but continued to hold the registration for the CentOS domain and PayPal account. In August 2009, the CentOS team reportedly made contact with Davis and obtained the and domains.


Use this link to Download CentOS 7 ( 64 bit)


Step:1 First Download the .iso file from the CentOS website, burn it onto the disc. Boot your PC from DVD.

Step:2 Choose ‘Install CentOS 7‘ option and press enter

Step:3 Choose your respective Language and click on Continue, in my case i have choose English , as shown below

Step: 4 Change the Installation Destination , by default installer will do automatic partitioning for your hard disk. To create your own customize partition table click on ‘Installation Destination‘.

As you can see below i have around 30 GB hard drive for OS installation. choose ‘I will configure partitioning‘ then click Done

Step:5 Create the partition table , In my case i am putting everything under LVM and created /boot , / and swap parition as shown below :

Click on Done

Click on Accept Changes

Step:6 Set Date & Time with your respective Zone

Step:7 Configure Networking and Set the hostname .

Step:8 Select the Software that you want to install. Click on “Software Selection“.

In my case i am selecting Gnome Desktop as shown below :

Step:9 Now Click on Begin Installation .

Step:10 Set root password

Step:11 Create a User

Step:12 Installation is in Progress as shown below

Once the installation is completed, you will be required to reboot the machine as shown below :

Step:13 When we first login to CentOS , Accept the EULA agreement

Below Screen will appear after login .


The Latest version of centOS 8 have the following features:

  1. CentOS comes with TCP Networking Stack version 4.16. These changes ensure better scaling, stability and performance.

  2. The open web-based interface, Cockpit , comes as a part of new CentOS release. It is used to manage your server through web console interface. Perform system tasks, create and manage virtual machines, configure network, start containers and inspect logs all via web browser.

  3. Content is distributed into two : a) BaseOS Respository b) AppStream Respository BaseOS include OS packages and AppStream has the application related packages, developers tools, database and others. It is used to manage the software

  4. It is integrated with DNF technology, to increase the performance and support modular content, software AppStream for cloud, containers and CI/CD.

  5. OS comes with system wide cryptography policy which means that you will not have to modify security configuration for individual apps.

  6. Multi-monitor handling, detect window handling and improved scaling.


  1. Its Operating System is very Stable, thus avoid crashed that leaves system blocked.

  2. users get long-term support with security updates and critical patches maintained for decade.

  3. Its speed is much higher than any other Linux based systems without exceptions.

  4. reliable system which require very few updates.


  1. Functionality is smaller than other Linux based system.

  2. Not meant for powerful processors.

  3. Low Video and Audio quality.

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