Linux installation step by step

Question : what is Linux ?

Question : how to install Linux and installation  requirement ?

Question : What is Linux feature ?

Question : Linux File System ?

Linux

Linux is a Unix-like operating system that was designed to provide personal computer users a free or very low-cost operating system comparable to traditional and usually more expensive Unix systems. Linux has a reputation as a very efficient and fast-performing system. Linux's kernel was developed by Linus Torvalds at the University of Helsinki in Finland.

Linux File System

  System Requirement 

• CPU : Pentium 3 to higher 
• RAM : 256 MB to Higher
• HDD : 1 GB to Higher
• Media : Bootable CD/DVD

step 1 

Boot form media CD/DVD

Option :

• Install or Upgrade  existing system : Fresh or upgrade
• Install system with basic video driver : install with video driver
• Rescue install system : for troubleshooting / repair / password reset and more
• Boot from local drive : skip installation and boot from HDD 

Select option 1 for install CentOS

Step 2

Test Media 

To be testing  media before installation ,Press OK or Skip

Step 3 :

Welcome to Installation : Press Next

Step 4 

Select your  Language  and press Next : English  

Step 5 

Select Keyboard and press Next : U.S English

Step 6 

Select Storage type and press Next

Step 7

Type your hostname and press next : linuxtopic 

Step 8

Select your Time Zone :  Asia/Kolkata

Step 9 

Set Root Password

Step 10

Partition :

Use All Space :

Replace Existing Linux System :

Shrink Current System :

Use Free Space :

Create Custom Layout :

I have 8 GB of HDD, I select Custom Layout :

first  partition :  /boot   :  200 MB - force primary ( sufficient 200 MB  ) 

               1  - Press Create  

               2 - Create Partition :

                       

                    Create RAID

                    Create LVM

             

                    3 Add Partition 

                             Mount Point 

                             File System Type

                             Size

           

second partition : follow /boot step , only select file system type " swap "

Swap  : just double of Ram

third partition : follow /boot step

/  ( root ) : fill all space

Step 11

Install Boot Loader and Next

Step 12

Installation Type :  Minimal 

Note : you can choose as per the your requirement , 

Just wait , time depend on  installation type 

Step 13

Reboot : Installation Done