Problem

How to set or change the system hostname in Red Hat Enterprise Linux 7

Solution

Follow the below process to set or change the system hostname in Linux 7:

• Login into the system as root or superuser and type the command nmtui.
  

  01 How to Set or Change System Hostname in RHEL 7

• It will open the window for Network Manager TUI, select the Set system hostname and click on OK
  

  02 How to Set or Change System Hostname in RHEL 7

• Type the new hostname and click on OK, here I have entered the new hostname DCPEPSRWEB1
  

  03 How to Set or Change System Hostname in RHEL 7

• Click on OK to confirm the new hostname
  

  04 How to Set or Change System Hostname in RHEL 7

• Now select Quit and click on OK.
  

  05 How to Set or Change System Hostname in RHEL 7

• Type the command hostname to check the new hostname name which is changed to DCPEPSRWEB1. Earlier it was localhost.
  

  06 How to Set or Change System Hostname in RHEL 7

Last Updated: August 14, 2019