Step 2: Change Server name in the Hosts File The next file to edit is the hosts file. Configuring the hostname My Ubuntu Server 18. Hostnames may be simple names consisting of a single word or phrase, or they may be structured. There maybe errors and mistakes everywhere. Figure D Our hostname is set without reboot.
The hostname is used to identify the computer in the network. In this file, you'll want to change any instance of the old hostname to reflect the new hostname. The latter is the company behind Ubuntu. Either of those being the case, what do you do? Hostname is not much of an issue for most systems. Do not make any assumptions about the order of the output. A hostname is simply a label that is assigned to a device on a network to distinguish it from the rest of the devices. Hit Ctrl+X to save and exit nano text editor.
Once you change the name there, you also need to change it in one other location. Note, that this is effective only until the next reboot. By far the big changes coming will be noticeable on the desktop and less so on the servers. Ubuntu and Canonical are registered trademarks of Canonical Ltd. Conclusion In this tutorial we have shown you how to easily change your Ubuntu server hostname without restarting the machine. When you click on Details, it should bring you to the About screen automatically.
To modify the hostname, we need to modify two files. The configuration package above runs tasks earlier in the boot process. The first place we will look is the Terminal window. I would suggest to Canonical, whenever such a change is made, it might behoove them to give some sort of indication in the standard configuration file. Display the Current Hostname To view the current hostname, enter the following command: Change the Hostname The following steps outline how to change the hostname in Ubuntu 18. Now, in the name of evolution, Ubuntu has changed a number of configurations admins have been accustomed to for years. Browse other questions tagged or.
The tutorials and guides are owner's own works and experiences. Get tutorials Step 1: Set the hostname To check which hostname is currently set, enter the following command into the console: hostname The output now shows: test1 In this case, this is the hostname, which was set during setup in the gridscale panel. Step 3: Changing the hostname In Ubuntu 18. You need to overwrite that value with your desired hostname. Just like with a brand new computer, setting an Ubuntu 18.
Note, that this is effective only until the next reboot. The prerequisite is that the server has a root user. Please correct it if you found one by leaving a comment. Just type the new host name you would like and press Enter. How can I do it correctly? Once you've made the necessary modification, save and close the file.
Note that this works only if the host name can be resolved. So there seems to be a difference between the device name and the host name. Now your newly configured hostname will remain, even after a reboot. This tutorial for those who want to change hostname in Ubuntu server or desktop without restarting the system. If you need to change it permanently, you can edit the hostname file I talked about earlier.
This option is deprecated and should not be used anymore. The host name is usually set once at system startup in normally by reading the contents of a file which contains the host name, e. On success, 0 is returned, a non-zero failure code otherwise. In fact, another very important configuration in has undergone a bit of an evolution. While some providers give users to choose their hostname while creating a new server. Not the answer you're looking for? Either way, your current hostname might not be the one you prefer or what it should be.