1. Make sure the license file has the correct OS and IP in it
2. Make sure your system has gcc installed. Type "rpm -q gcc" and it should return a version number.
3. Type:
DirectAdmin uses the IP# as part of it's copy protection scheme.
We generally place our servers into the data center before we install DA.
If you must install DA first, and if you've ordered the license with the data center IP#, then you need to contact DA sales to have them change the IP#. Note that you cannot install DA behind a NAT router or NAT firewall.
Afterwards, when you move your DA server to the data center you'll need to contact DA again to move the IP# back.