I am trying to change the hostname to host01 on an instance that was is using the RightImage_CentOS_5.4_x64_v5.6 - 11H2.a1 [rev 11] MCI.
So I set the /etc/hosts file to:
127.0.0.1 localhost localhost.localdomain
10.76.249.192 host01
and set the /etc/sysconfig/network file:
HOSTNAME=host01
and rebooted.
After the reboot, everything looks good. The hostname is changed:
$ /bin/hostname
host01
However, a new file appeared in the system /etc/hostname with, the following content:
ip-10-76-249-192
The /etc/hosts host file looks like this:
127.0.0.1 localhost localhost.localdomain
10.76.249.192 host01
10.76.249.192 ip-10-76-249-192.ec2.internal ip-10-76-249-192
After reboot, if I drop into an other user, the hostname will change back:
$ hostname
ip-10-76-249-192
Does anybody has any idea why this is happening and how stop this?
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