It’s pretty straight forward to install AMD drivers on Ubuntu.
Do a fresh installation of Ubuntu 16.04
Download the latest AMD drivers and from the AMD website and perform the following steps.
cd ~/Downloads/ wget --referer http://support.amd.com/ https://www2.ati.com/drivers/linux/ubuntu/amdgpu-pro-17.50-511655.tar.xz
Now that the drivers are download we need to tar and uncompress the archive
tar xvf amdgpu-pro-17.50-511655.tar.xz cd amdgpu-pro-17.50-511655/ sudo ./amdgpu-pro-install -y --opencl=legacy
Next run the installation
sudo ./amdgpu-pro-install -y --opencl=legacy
Once the installation is completed you should reboot the server to activate the drivers.
You can also read more about install Claymore Dual Miner.