Deploy GPU server for zcash cluster mining

Setup ssh-passwd-free environment

On host hb5-42 ```bash ssh-keygen cat ~/.ssh/id_rsa.pub » ~/.ssh/authorized_keys

cat » /etc/hosts « EOF 172.24.223.42 hb5-42 172.24.223.40 hb5-40 172.24.223.41 hb5-41 172.24.223.43 hb5-43 172.24.223.44 hb5-44 172.24.223.45 hb5-45 EOF

for node in hb5-40 hb5-41 hb5-43 hb5-44 hb5-45 ; do scp ~/.ssh/* root@$node:~/.ssh/ scp /etc/hosts root@$node:/etc/hosts done

## Setup Nvidia GPU driver and CUDA driver
- On host ***hb5-42***
```bash
for node in hb5-40 hb5-41 hb5-43 hb5-44 hb5-45 hb5-42 ; do
  ssh $node "wget http://us.download.nvidia.com/tesla/390.12/nvidia-diag-driver-local-repo-ubuntu1604-390.12_1.0-1_amd64.deb " && \
  ssh $node "dpkg -i nvidia-diag-driver-local-repo-ubuntu1604-390.12_1.0-1_amd64.deb" && \
  ssh $node "apt-key add /var/nvidia-diag-driver-local-repo-390.12/7fa2af80.pub" && \
  ssh $node "apt-get update" && \
  ssh $node "apt-get install -y --no-install-recommends nvidia-modprobe cuda-drivers  --allow-unauthenticated" && \
  ssh $node "reboot" && \
done

#Verify with nvidia-smi
for node in hb5-40 hb5-41 hb5-43 hb5-44 hb5-45 hb5-42 ; do
  echo $node GPU detect
  ssh $node "nvidia-smi"
done
#Sat Feb  3 23:17:14 2018
#+-----------------------------------------------------------------------------+
# | NVIDIA-SMI 390.12                 Driver Version: 390.12                    |
# |-------------------------------+----------------------+----------------------+
# | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
# | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
# |===============================+======================+======================|
# |   0  Tesla P100-PCIE...  Off  | 00000000:00:08.0 Off |                    0 |
# | N/A   52C    P0   160W / 250W |    719MiB / 16280MiB |    100%      Default |
# +-------------------------------+----------------------+----------------------+
#
# +-----------------------------------------------------------------------------+
# | Processes:                                                       GPU Memory |
# |  GPU       PID   Type   Process name                             Usage      |
# |=============================================================================|
# |    0       955      C   /root/zm_0.5.8/zm                            709MiB |
# +-----------------------------------------------------------------------------+

Setup miner binary and service

Download ZCash miner from [ANN] dstm’s ZCash / Equihash Nvidia Miner v0.5.8 (Linux / Windows) to host hb5-42

for node in hb5-40 hb5-41 hb5-43 hb5-44 hb5-45 hb5-42 ; do
scp zm_0.5.8.tar.gz root@$node:~/
ssh $node "tar -zxf zm_0.5.8.tar.gz"
done

Setup miner service vi /etc/init.d/Miner on host hb5-44: ```vi #!/bin/bash
BEGIN INIT INFO

#

Provides: miner

Required-Start:

Required-Stop:

Default-Start: 2 3 4 5

Default-Stop: 0 1 6

Short-Description: initscript

Description: This file should be used to construct scripts to be placed in /etc/init.d.

#

END INIT INFO

Fill in name of program here.

PROG=”zm” PROG_PATH=”/root/zm_0.5.8” POOL_DEFAULT=”cn1-zcash.flypool.org” POOL_FAILOVER=”asia1-zcash.flypool.org” TADDR=”t1aHMFYc5CfD6z9BRyUKgaTmNzgnRgsLJrL” PROG_ARGS=”–server $POOL_DEFAULT –port 3333 –pass x –user $TADDR.hostname –logfile=/root/zm_0.5.8/zm.log” PROG_ARGS_FAILOVER=”–server $POOL_FAILOVER –port 3333 –pass x –user $TADDR.hostname –logfile=/root/zm_0.5.8/zm.log” PID_PATH=”/var/run/”

start() { if [ -e “$PID_PATH/$PROG.pid” ]; then ## Program is running, exit with error. echo “Error! $PROG is currently running!” 1>&2 exit 1 else ## Change from /dev/null to something like /var/log/$PROG if you want to save output. $PROG_PATH/$PROG $PROG_ARGS 2>&1 >/var/log/$PROG || $PROG_PATH/$PROG $PROG_ARGS_FAILOVER 2>&1 >/var/log/$PROG & echo “$PROG started” fi }

stop() { echo “begin stop” killall $PROG echo “$PROG stopped” }

Check to see if we are running as root first.

Found at http://www.cyberciti.biz/tips/shell-root-user-check-script.html

if [ “$(id -u)” != “0” ]; then echo “This script must be run as root” 1>&2 exit 1 fi

case “$1” in start) start exit 0 ;; stop) stop exit 0 ;; reload|restart|force-reload) stop start exit 0 ;; **) echo “Usage: $0 {start|stop|reload}” 1>&2 exit 1 ;; esac

- Enable & Start service
```bash
for node in hb5-40 hb5-41 hb5-43 hb5-44 hb5-45 ;do
scp /etc/init.d/miner $host:/etc/init.d/
ssh $host "update-rc.d miner defaults"
reboot
done

XMR mining plus

wget https://cn.minergate.com/download/deb-cli -o minergate-cli-release.deb
for node in hb5-41 hb5-42 hb5-43 hb5-44 hb5-45 ;do
  scp minergate-cli-release.deb root@$node:~/
  ssh $node "dpkg -i /root/minergate-cli-release.deb"
  scp /etc/init.d/miner_xmr root@$node:/etc/init.d/
  ssh root@$node "update-rc.d miner_xmr defaults"
  ssh root@$node service miner_xmr start
done

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