Make sure you are logged in as root and move to /etc/sysconfig and open the network file in vi. Look for the HOSTNAME line and replace it with the new hostname you want to use. In this example I want to replace localhost with redhat9. When you are done, save your changes and exit vi.
How do I change the hostname in Linux?
Ubuntu change hostname command
- Type the following command to edit /etc/hostname using nano or vi text editor: sudo nano /etc/hostname. Delete the old name and setup new name.
- Next Edit the /etc/hosts file: sudo nano /etc/hosts. …
- Reboot the system to changes take effect: sudo reboot.
How do I change my hostname?
Change a server’s hostname
- Using a text editor, open the server’s /etc/sysconfig/network file. …
- Modify the HOSTNAME= value to match your FQDN hostname, as shown in the following example: HOSTNAME=myserver.domain.com.
- Open the file at /etc/hosts. …
- Run the hostname command.
How do I change the hostname in CentOS 6?
Change hostname in CentOS
- Open the /etc/sysconfig/network file with your favorite text editor i.e. vi, nano. Modify the HOSTNAME= value to match your FQDN host name. …
- Change the host file. Change the host that is associated to your main IPaddress for your server, file path is /etc/hosts. …
- Run Hostname. …
- Restart networking.
How do I change the hostname on Linux 7?
How to change hostname in CentOS/RHEL 7
- use hostname control utility: hostnamectl.
- use NetworkManager command line tool: nmcli.
- use NetworkManager text user interface tool : nmtui.
- edit /etc/hostname file directly (a reboot afterwards is required)
How can I change my hostname without rebooting?
To do this issue the command sudo hostnamectl set-hostname NAME (where NAME is the name of the hostname to be used). Now, if you log out and log back in, you’ll see the hostname has changed. That’s it–you’ve changed the hostname without having to reboot the server.
How do I change the hostname in Redhat 6?
How to Change the Hostname on RHEL 6/Centos 6 Server
- Modify /etc/sysconfig/network [root@localhost ~]# vi /etc/sysconfig/network.
- Edit to your preferred hostname : NETWORKING=yes HOSTNAME=MyNewHostname.localdomain.
- Save and reboot your server.
How do I know my hostname?
Using the command prompt
- From the Start menu, select All Programs or Programs, then Accessories, and then Command Prompt.
- In the window that opens, at the prompt, enter hostname . The result on the next line of the command prompt window will display the hostname of the machine without the domain.
How do I find my hostname in CentOS 6?
- Step 1: Login to your VPS.
- Step 2: Use the hostname utility.
- Step 3: Edit /etc/hosts.
- Step 4: Edit /etc/sysconfig/network.
- Step 5: Check your hostname.
- Step 6: (Optional) Change reverse DNS.
How do I change my IP address in CentOS 6?
Set a Static IP Address
- Open the configuration file for the first network interface, eth0, into a text editor. vi /etc/sysconfig/network-scripts/ifcfg-eth0.
- Modify the configuration file to look similar to the one below. …
- Save your changes and exit the text editor.
- Restart the network service.
What is hostname in networking?
In computer networking, a hostname (archaically nodename) is a label that is assigned to a device connected to a computer network and that is used to identify the device in various forms of electronic communication, such as the World Wide Web.