View source for Cryptocurrency Mining Setup and Notes

Setup Ubuntu Server 16.04.3

Ethereum (geth)
 sudo add-apt-repository ppa:ethereum/ethereum -y
 sudo apt update
 sudo apt install ethereum -y

Import ethereum key or create new account
 geth account list

Uninstall AMDGPU Graphics stack
 # Use this for Pro components
 $ sudo amdgpu-pro-uninstall

AMDGPU-PRO 17.50-511655 (--compute has been deprecated)
 tar -Jxvf amdgpu-pro-19.50-NNNNNN.tar.xz
 cd amdgpu-pro-19.50-NNNNNN
 sudo ./amdgpu-pro-install -y --opencl=pal,legacy --headless
 sudo apt install mesa-common-dev
 sudo apt install clinfo

Notes:
 boot to onboard VGA first
cli: don't start GUI in headless (server) setup
 sudo systemctl set-default multi-user.target

Make user part of video user group
 sudo usermod -a -G video <userid>

Static IP
Edit /etc/network/interfaces assuming enp4s0 is the ethernet interface id.
 auto enp4s0
 iface enp4s0 inet static 
   address 192.168.0.x
   netmask 255.255.255.0
   network 192.168.0.0
   broadcast 192.168.0.255
   gateway 192.168.0.1
   dns-nameservers 192.168.0.1 8.8.8.8 8.8.4.4

If the hostname is modified, update /etc/hostname & /etc/hosts

Problems with DHCP timeout, edit /etc/dhcp/dhcpclient.conf
 timeout 15 #from 300

Ethminer
 git repository download

Zcash
 website

Mining
 ethermine.org (ethereum & zcash)

Screen
 screen    (start)
 <ctl>-a d (exit) 
 screen -r (reconnect)

Change default gateway temporarily
 sudo ip route change default via 192.168.1.1 dev <interface>

Create the file /etc/udev/rules.d/70-persistent-net.rules with the following content
 SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="02:01:02:03:04:05", ATTR{dev_id}=="0x0", ATTR{type}=="1", NAME="eth0"