In this post, i will show you on how to change the Hostname on linux CentOS 6.3. I have tested this on RHEL 6, CentOS 5.5 and CentOS 6.2. and Centos 6.3. Reboot is required for both options (A) and (B) for the changes to take effect.
Check current hostname with this command :
# hostname --fqd |
centos62.ehowstuff.local
Option A:
1. Modify /etc/sysconfig/network
1. Modify /etc/sysconfig/network
# vi /etc/sysconfig/network |
2. Edit to your preferred hostname :
NETWORKING = yes HOSTNAME = server.vjetnamnet. local |
3. Modify /etc/hosts file as below :
# vi /etc/hosts 127.0 . 0.1 localhost localhost.localdomain localhost 4 localhost 4. localdomain 4 : : 1 localhost localhost.localdomain localhost 6 localhost 6. localdomain 6 192.1 68.1 . 44 server.vjetnamnet. local server |
4. Save and reboot your server.
Option B:
1. Type the following command to enter GUI mode.
1. Type the following command to enter GUI mode.
# system-config-network |
2. Go to “DNS Configuration”.
3. Modify your preferred hostname and click OK.
4. Click ” Save & Quit”.
5. Modify /etc/hosts file as below :
# vi /etc/hosts 127.0 . 0.1 localhost localhost.localdomain localhost 4 localhost 4. localdomain 4 : : 1 localhost localhost.localdomain localhost 6 localhost 6. localdomain 6 192.1 68.1 . 44 server.vjetnamne. local server |
6.Reboot your server.
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