Learn how to define your system hostname on Red Hat 8 locally or remotely. Use pretty names on your system…
Redhat 8 hostnamectl Command – All systems must have a hostname defined in order to be identified on the network.
Table of Contents
On Red Hat 8 we use hostnamctl command to define the system hostname, this command has a few options :
Verify System Info
First, let’s check our system status and check our current hostname.
[root@poplab ~]# hostnamectl statusDefine System Hostname
Now let’s define our system hostname using the command hostnamectl:
[root@poplab ~]# hostnamectl set-hostname poplab.ptDefine Pretty Hostname
Sometimes is necessary to use a hostname with strange names or symbols for that we can use the pretty parameter.
[root@poplab ~]# hostnamectl set-hostname "PopLab" --prettyClear System Hostname
To empty the hostname field just type:
[root@poplab ~]# hostnamectl set-hostname ""Change Hostname Remotely
If is necessary we can change the hostname on a remote machine, just type the next command:
[root@poplab ~]# hostnamectl set-hostname -H [username]@poplabUsing nmcli to define Hostname
The hostname can be changed with another tool called nmcli
[root@poplab ~]# nmcli general hostname[root@poplab ~]# nmcli general hostname poplab.ptHostnamectl Set Server location
[root@poplab ~]# hostnamectl set-location HomeLAB