How to set the hostname of CentOS using the command line?

To set the hostname of CentOS through the command line, you can follow these steps:

1. Open the terminal or log in to the CentOS server console.
2. Use the following command to check the current host name:

hostname

1. Use the following command to permanently set the hostname, replacing “your-hostname” with the desired hostname:

sudo hostnamectl set-hostname your-hostname

1. Use the following command to immediately apply the change to the hostname:

sudo hostname your-hostname

1. Verify if the hostname has been changed using the following command:

hostname

1. Reboot the system to ensure the hostname change has taken effect:

sudo reboot

By following the steps above, you can set the hostname of CentOS using the command line.