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Change Hostname In Debian or Ubuntu

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You can change hostname by editing file /etc/hostname

root@fwhwin:~# vi /etc/hostname

Then you will get an output like:


Replace the current host name with the desired new name.

Save and close the file.

Then You need to edit the /etc/hosts file, enter:

# vi /etc/hosts

Change all old hostname with newer one:       localhost       fwhwin

# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

Save and close the file. Then reboot the system.

About Annie

I've been working in Technical Section for over 10 years in a wide range of tech jobs from Tech Support to Software Testing. I started writing blog for my future reference and useful for all.
Posted in Linux

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