Wednesday, 31 December 2014

Build Custom Centos

Penguins are the symbol of the Linux operating system.


The great strength and, arguably, the great weakness of Linux is how thoroughly it can be customized. Every popular release, or distribution -- "distro," for short -- contains its own collection of programs, each of which can be tweaked to the individual user's wants and needs. However, even this isn't enough freedom for some users. For those who want to take a popular distro such as CentOS and create a personalized version, the online tool "Instalinux" makes the process as straightforward as it can be.


Instructions


1. Check that your internet connection is active, and type www.instalinux.com into your web browser. From the welcome page, click "Let's Get Started."


2. Select CentOS from the drop-down list labeled "Distro." Choose from the versions available. Unless you have a specific reason to stay with an older version, you'll usually choose the newest. From the Architecture menu, choose i386 for a 32-bit CentOS or X86_64 for a 64-bit CentOS. Leave the DHCP box blank.


3. Click to the next menu. Leave the Install method as HTTP, and the install image as Centos ISO image. Set the network interface option to correspond to the option used on your machine, usually eth0, ath0, or lan0. Click "Continue."


4. Choose a mirror close to your physical location from the drop-down menu, then select your time zone, language, keyboard and mouse settings. Click "Continue."


5. Select the software bundles you want from the list on the next screen, and choose whether you'll let CentOS partition your drive or do it manually. In the box at the side of the screen, you can manually enter the RPMs for individual programs you wish to install, without taking one of CentOS' bundles. Click "Continue."


6. Choose the minimum and maximum size for your disk partitions, and the file system you wish to use. Click "Continue." This takes you to a screen that asks you to review your data, choose a root password, and create default username and password. When you are satisfied with your settings, click the "Go For It" button at the bottom of the screen.


7. Write down the checksum on the confirmation page, or grab a screenshot of it. Download the .iso file to your computer, and compare the checksum of your copy to the one generated on the website. If they match, your file downloaded correctly. Burn the image as a bootable CD or DVD, and use the new disk to install your customized version of CentOS.

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