In this article, we will guide you through the process of registering a Lubuntu hostname with a DNS server in an Active Directory domain. This can be a crucial step in managing your network infrastructure, as it allows your Lubuntu host to be recognized by name, rather than just by IP address, within your domain.
To register a Lubuntu hostname with a DNS server in an Active Directory domain, you need to configure the DHCP client, release and renew the DHCP lease, and set the FQDN as the Linux hostname using the
Before we begin, ensure that your Lubuntu system is configured correctly and is part of the Active Directory domain. If it’s not, you may need to join your Lubuntu system to the domain first.
Configuring the DHCP Client
The first step in registering your Lubuntu hostname with the DNS server involves configuring the Dynamic Host Configuration Protocol (DHCP) client. This can be done by editing the
- Open a terminal window.
- Type in the following command to open the
dhclient.conffile in a text editor:
sudo nano /etc/dhcp/dhclient.conf
This command uses
sudo to run the
nano text editor with administrator privileges, which is necessary to edit the
- In the
dhclient.conffile, look for the lines:
send fqdn.fqdn "myhost.my.corp.domain"; send fqdn.encoded on; send fqdn.server-update off;
These lines control how your Lubuntu host communicates its Fully Qualified Domain Name (FQDN) to the DHCP server.
- Change the
send fqdn.server-updateline to
send fqdn.server-update on;
This change allows your Lubuntu host to update the DNS server with its hostname.
- Save the changes to the
dhclient.conffile by pressing
Ctrl + X, then
Releasing and Renewing the DHCP Lease
After editing the
dhclient.conf file, you will need to release your current DHCP lease and obtain a new one. This can be done with the following commands:
sudo dhclient -r sudo dhclient
-r option in the first command tells the DHCP client to release its current lease, and the second command obtains a new lease.
Setting the FQDN as the Linux Hostname
If you are using System Security Services Daemon (SSSD) for integration with Active Directory, you can set the FQDN as the Linux hostname using the
hostnamectl set-hostname examplename.mydomain.mysuffix
This command sets the hostname of your Lubuntu system to
By following these steps, you should be able to register your Lubuntu hostname with the DNS server in your Active Directory domain. This will allow your Lubuntu host to be recognized by name within your network, making it easier to manage and troubleshoot.
Please note that these solutions may not work if your Active Directory domain has a different method of registering hostnames with the DNS server. Always consult your network administrator or IT department if you are unsure.