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Ahmer's SysAdmin Recipes is a blog for Linux System Administrators. This blog provides recipes for Installation & Configuration of Linux, Ubuntu, Oracle Database, MySQL, Apache, Nginx, Oracle Cloud Control, FreeIPA, Kerberos & OpenLDAP, Subversion, PXE, DevOps, etc. over Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu and Windows.

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Saturday, 16 January 2016

Installation of CentOS 6.3 Server

installation-of-centos-6CentOS (Community Enterprise Operating System) is a free and open source distribution of Linux. CentOS is community-supported computer platform functionally compatible with it upstream source Red Hat Enterprise Linux (RHEL).

In this article, we will install CentOS 6.3 Server.

 

System Specification:

To demonstrate installation of CentOS 6.3 Server. we have setup a test VM environment as follows:

CPU 2 Core (2.4 Ghz)
Memory 1 GB
Storage 40 GB

 

Install CentOS 6.3 Server:

Attach the CentOS ISO image in CDROM and start the installation of the CentOS.

centos-install-screen-01

Select the first option Install or upgrade an existing system and press Enter.

centos-install-media-test

Since, we are installing from an ISO image, therefore, no need to check the media. Click on Skip.

centos-install-screen-02

Click on Next.

centos-install-language

Select the appropriate language and click on Next.

centos-install-keyboard

Select the appropriate Keyboard and click on Next.

centos-install-storage-01

Click on Next

centos-install-storage-02

Click on Yes, discard any data.

centos-install-hostname

Enter the FQDN (Fully Qualified Domain Name) of your Server. We use appserver.mydomain.com.

Click on Configure Network.

centos-install-network-01

Select the Network Adaptor System eth0 and click on Edit.

centos-install-network-02

Check on Connect automatically option and go to IPv4 Settings Tab.

centos-install-network-03

Select the Method Manual from drop down list, then click the Add button to add an IP address.

centos-install-network-04

Provide IP Address, Gateway and DNS and click on Apply.

centos-install-network-05

Click on Close.

centos-install-hostname

Network has been Configured, and you are back at Hostname Screen.

Click on Next.

centos-install-timezone

Select your Timezone and Click on Next.

centos-install-root-passwdcentos-install-root-passwd-warning

Set a password for root user. Installer may warn you in case of a simple password Ignore the warning and click Use Anyway.

Click on Next.

centos-install-partition-01

Choose the option Use All Space, Check the option Review and Modify Partitioning Layout.

Click on Next.

centos-install-partition-02

Installer creates default partitions using LVMs (Logical Volume Manager). But to demonstrate how to modify partitions, we will create a customized layout.

Click on Reset button.

centos-install-partition-03

Now, click on Create button to create custom partition layout.

centos-install-partition-04

Select Standard Partition and click on Create.

centos-install-partition-05

Now add two partitions / and Swap by repeating the above step.

centos-install-partition-07centos-install-partition-06

Click on Ok. Our Partition Layout is looked like this.

centos-install-partition-08

Click on Next.

centos-install-partition-09

Click on Format.

centos-install-partition-10

Click on Write changes to disk.

centos-install-bootloader

Click on Next.

centos-install-progress-01centos-install-progress-02

Click on Reboot.

centos-login-cli

CentOS 6.3 Server has been successfully installed.

Installation of CentOS 6.3 Server


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