Learn in this article how to change the browser link of your OTRS / Znuny installation. The link is also named as
- web address
- FQDN (full qualified domain name)
For this tutorial we will assume your OTRS / Znuny is reachable under
and we want to change it to
Prepare your DNS
First of all you need to prepare a new DNS record for your domain. Either you have access to the DNS records for the domain example.com.
If you do not have access ask your Network / System Administrator (for medium, bigger sized or enterprise organizations) or your Website provider if you are a SOHO company.
Add new DNS records
pointing to the IPv4 of your OTRS / Znuny installation
servicedesk.example.com. IN A <yourServerIPv4>
pointing to the IPv6 of your OTRS / Znuny installation (if you have a IPv6)
servicedesk.example.com. IN AAAA <yourServerIPv6>
use your old DNS record and change it to CNAME, in our case
otrs.example.com. IN CNAME servicedesk.example.com.
Configuring your Operating System
Your OS shall of course be aware of this new hostname.
Verify the new hostname
hostname cat /etc/hostname
regarding the hostname you shall check with your network and system administrator if you need to change it. Change it accordingly.
your new host shall be of course added to the hosts file. In our case
Reconfiguring now OTRS / Znuny
Go to Admin > System Configuration and search for FQDN and replace the old value to your new (without http or https!)
The reboot is typically not required, but you can verify the easiest way if your configuration is persisted and no other configuration is modifying your setup. So simply reboot and recheck all steps.