CentOS 7 how to change hostname
After I’ve created my home server I’ve tried to change it’s host name by going to /etc/sysconfig/network. For my surprise it was empty. Then I’ve recalled that in version 7 CentOS started using systemd. Hence the location changed.
New place to edit is /etc/hostname
The inconvenience of editing file directly is that system reboot is required to apply the change.
Alternative method is to use Network Manager tool by invoking nmtui.
![Network Manager TUI](http://www.sysadminguide.net/wp-content/uploads/2014/08/network_manager_tui1.jpg)
and then execute:
systemctl restart systemd-hostnamed
You can type hostname to validate the change.
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