Steps for running a Bitcoin Cash (ABC) node on digital ocean. Forked from these steps: https://medium.com/signal-chain-weekly/how-im-running-a-bitcoin-full-node-on-digital-ocean-for-40-a-month-dfc328ba9604

steps.md

Setup

1. Ubuntu 16.04.3 x64
2. 2 GB Memory / 60 GB Disk
3. 200 GB block storage volume

Create user

get ip-address from digital ocean

1. ssh root@ip-address
2. adduser bitcoin
3. usermod -aG sudo bitcoin
4. Copy public ssh key
5. su - bitcoin
6. mkdir ~/.ssh
7. chmod 700 ~/.ssh
8. vim ~/.ssh/authorized_keys Paste in public ssh key && save
9. chmod 600 ~/.ssh/authorized_keys
10. exit
11. exit
12. ssh bitcoin@ip-address

Format volume

Get volume-name from digital ocean

1. sudo parted /dev/disk/by-id/scsi-0DO_Volume_volume-name mklabel gpt
2. sudo parted -a opt /dev/disk/by-id/scsi-0DO_Volume_volume-name mkpart primary ext4 0% 100%
3. sudo mkfs.ext4 /dev/disk/by-id/scsi-0DO_Volume_volume-name-part1
4. sudo mkdir -p /mnt/volume-name-part1
5. echo '/dev/disk/by-id/scsi-0DO_Volume_volume-name-part1 /mnt/volume-name-part1 ext4 defaults,nofail,discard 0 2' | sudo tee -a /etc/fstab
6. sudo mount -a
7. sudo chmod 777 /mnt/volume-name-part1

Install Bitcoin Cash

1. sudo add-apt-repository ppa:bitcoin-abc/ppa
2. sudo apt-get update
3. sudo apt-get install bitcoind

Configure

1. mkdir /mnt/volume-name-part1/Bitcoin
2. mkdir ~/.bitcoin
3. vim ~/.bitcoin/bitcoin.conf
4. sudo vim /lib/systemd/system/bitcoin.service

Contents of ~/.bitcoin/bitcoin.conf

# Generated by https://jlopp.github.io/bitcoin-core-config-generator/

# This config should be placed in following path:
# ~/.bitcoin/bitcoin.conf

# [core]
# Specify a non-default location to store blockchain and other data.
datadir=/mnt/volume-name-part1/Bitcoin
# Set database cache size in megabytes; machines sync faster with a larger cache. Recommend setting as high as possible based upon machine's available RAM.
dbcache=1000
# Maintain a full transaction index, used by the getrawtransaction rpc call.
txindex=1

# [rpc]
# Accept command line and JSON-RPC commands.
server=1
# Username for JSON-RPC connections
rpcuser=bitcoin
# Password for JSON-RPC connections
rpcpassword=enterpasswordhere

# [wallet]
# Do not load the wallet and disable wallet RPC calls.
disablewallet=1

Contents of /lib/systemd/system/bitcoin.service

[Unit]
Description=Bitcoin's distributed currency daemon
After=network.target

[Service]
User=bitcoin
Group=bitcoin

Type=forking
PIDFile=/mnt/volume-name-part1/Bitcoin/bitcoind.pid
ExecStart=/usr/bin/bitcoind -daemon -pid=/mnt/volume-name-part1/Bitcoin/bitcoind.pid \
-conf=/home/bitcoin/.bitcoin/bitcoin.conf -datadir=/mnt/volume-name-part1/Bitcoin

Restart=always
PrivateTmp=true
TimeoutStopSec=60s
TimeoutStartSec=2s
StartLimitInterval=120s
StartLimitBurst=5

[Install]
WantedBy=multi-user.target

Run Bitcoin Cash

1. sudo service bitcoin start
2. bitcoin-cli getblockchaininfo