How to Change Hostname in a Debian Server?
Changing the Hostname in a Debian Server
Debian based systems use the file /etc/hostname to read the hostname of the system at boot time and set it up using the init script /etc/init.d/hostname.sh. So on a Debian based system we can edit the file /etc/hostname and change the name of the system and then execute the following, to make the change active.
/etc/init.d/hostname.sh start
The hostname saved in this file (/etc/hostname) will be preserved on system reboot (and will be set using the same script used hostname.sh).
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