Solution  :  hostnamectl set-hostname --transient <hostname>

It appears there is a thing called transient hostname.



On 2024-08-19 09:10, Keith Smith via PLUG-discuss wrote:
Hi,

I am changing the hostname on Ubuntu 24.04LTS server.

I do the following:

Change the hostname using sudo vi /etc/hostname
Change the hostname using sudo vi /etc/hosts
Restart : sudo systemctl restart systemd-hostnamed
Verify with : hostnamectl which returns the new hostname

However when I issue the command "hostname" it gives me the old hostname.

When I do a reboot the command hostname give the new hostname.

Any thoughts why this is?

Thanks!!
Keith
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