Redhat Linux Installation




After booting from RHEL bootable CD/DVD, We will get above screen
           Ø  If you want to install OS using GUI then hit ENTER key
           Ø  If you want to install OS using TEXT mode (CLI) then type linux test hit ENTER key
Currently we are installing Operating system using GUI mode.



If you want to verify you installation media (OS CD/DVD) press OK (It will take long time to verify). Press SKIP to jump next screen.



Click NEXT



Select the Language then click NEXT



Select Keyboard Language then click NEXT



Click OK



It will give you a WARNNING since you don’t have a key click on SKIP

 Click on YES to continue


Options:
Remove all partitions on selected drives and create default layout this options will delete all the drive partitions and install OS
Remove all Linux Partitions this option will only remove Linux partitions and creates default layout, install OS
Use free space this option will install on free space of the drive creates default layout
Create Custom layout this option will not create any layout you have to create as per your requirement
This option will give more customization you to create your own layout (Selected Customize Layout)


Now you can able to see HDD space to create partitions follow click on NEW


After clicking on NEW you will see above popup
First create /boot because it needs normal partition to store MBR (master boot record). 100MB is enough for /boot partition.
Mount point /boot
File system Type: ext3 OR ext4

Select fixed size Click OK




See above screen /boot partition is created.
Note:  Always remember to create LVM partitions OR RAID partitions is recommended, because later on if you want extend the ROOT file system is possible and easy.
To create LVM partition click on NEW you can able to see popup as below



For creating a LVM partition we have to create Physical Volume select file system type as physical volume (LVM)
Select Fill to maximum allowable size then click on OK

See above screen LVM PV is created now select PV and click on LVM popup will open as below screen


Change the Volume group name as required. Example: VG01

Click on ADD




As above screen select Mount point as “/” slash, provide Logical volume name “ROOT” for easy identification, provide the size as per your requirement (Minimum 10GB). Click on OK
Again click on ADD


Select File system type as SWAP, provide logical volume name as “SWAP” for easy identification. Provide the swap size is always (RAM SIZE * 2) in my case 2GB RAM. Click on OK



As you created above all the partitions are created. Click NEXT
Minimum Recommended Partitions
Slash “/”
/boot
SWAP



Select label and click NEXT (if you want to change label you can change it using edit option)



Here provide your system name (Example: ARK-IT-Solutions.localdomain)
Click on EDIT


If you are using DHCP in your network select Use dynamic IP configuration
If not using DHCP enable IP4 and provide IP address and Netmask Click on OK


Provide the gateway IP and DNS IP and Click on NEXT



Select the time zone and click on NEXT



Provide your password and confirmation password then click on NEXT



Select to install the required software’s while installing the operating system, select software development and web server and select Customize now.
Then click on NEXT


Select the required packages from all the fields click on optional packages and check all (as showed in below screen)


Selected all the optional packages as well click on CLOSE

then click on NEXT

After next dependencies will be resolved and ready for installation
 Click NEXT to install Operating system
 Installation is in process (it will take few minutes depends on selected packages)


After completion creating partitions and installing packages it will ask you to reboot the server. Click on Reboot


After reboot it will ask you to complete next options click on FORWARD


Select Yes I agree to the license agreement and click FORWARD


Firewall enabled and disabled
If you enable the firewall you have to allow the services and ports as you required
If you want to enable security click on Enable or else disable and click FORWARD



Disable the SELinux if you don’t know the usage. Click on FORWARD

 Click YES
 click Forward
 Select Date & Time Click forward
 Select Yes Click Forward
 Click on No Thanks
 Click FORWARD


Provide additional username to create and provide password click on FORWARD


Test your sound then click on FORWARD



Click on Finish


It will ask you to reboot click OK
Your server installation is successfully completed now you can use it.