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Set up node on a VPS

Requirements:

  • Basic understanding of the linux ecosystem
  • Connect to the VPS via ssh

VPS requirements:

  • minimum 2 Core's
  • at least 4 GB RAM
  • at least 50 GB disk space
  • a lot of bandwidth (don't start unless you have at least 2 TB bandwidth) One can get away with less, but I can't really recommend any less, although it will still work. (Well, diskspace requirement is always the same.)

What VPS do I recommend:

I recommend using the 4 GB / 2 Cores CPU / 80 GB Storage VPS from vultr. Feel free to use my affiliate link: https://www.vultr.com/?ref=7274718 Using the affiliate link https://www.vultr.com/?ref=8874276-6G will give you 100 USD to use within 30 days after signing up.

Alternatively you can also rent from vultr by using the reseller bithost.io, paying with cryptocurrency via coinpayments.net.

Instructions are written to work with debian 10 as written below.

How to set up a Dogecoin Core Full Node

  1. Make sure your system is up to date:
apt update && apt upgrade
  1. Get the binary files:
wget https://github.com/dogecoin/dogecoin/releases/download/v1.14.3/dogecoin-1.14.3-x86_64-linux-gnu.tar.gz
  1. Unpack the tar.gz:
tar -zxvf dogecoin-1.14.3-x86_64-linux-gnu.tar.gz
  1. Download the torrent file:
wget https://dogecoin.gg/files/dogecoin-bootstrap-2021-05-09.torrent
  1. Install aria2:
apt install aria2
  1. Download/Torrent the bootstrap:
aria2c --bt-max-peers=0 dogecoin-bootstrap-2021-05-09.torrent

(For seeding (highly recommended): aria2c --check-integrity=true --bt-max-peers=0 --seed-ratio=0 dogecoin-bootstrap-2021-05-09.torrent)

  1. Link the folders ("Hack" due to aria2c automatically creating a subfolder for multi file torrent)
ln -s dogecoin-bootstrap-2021-05-09 .dogecoin
  1. Set a rpcuser and rpcpassword in ~/.dogecoin/dogecoin.conf:
echo "rpcuser=jdgjg
rpcpassword=dgskgdsk
disablewallet=1
maxconnections=64" >> ~/.dogecoin/dogecoin.conf

The default for maxconnections is 128, most machines struggle to keep up with this many connections. I've found ~64 to work on most machines if you follow my recommended specs. 9. Start up dogecoind:

~/dogecoin-1.14.3/bin/dogecoind &
  1. You can check the status of your core wallet using:
~/dogecoin-1.14.3/bin/dogecoin-cli getinfo
  1. If the connections in getinfo is greater then 8, you are successfully running a full core node!

Tips (most tips are integrated into the install script)

  • To prevent dogecoind from stopping as soon as you close the ssh connection: apt install tmux TL;DR
  • To make your VPS more secure, set up a firewall: apt install ufw (eg. ufw allow 22, ufw allow 22556, ufw enable
  • Enable a swap file if your VPS has < 4GB Ram:
fallocate -l 4G /swapfile
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile
cp /etc/fstab /etc/fstab.bak
echo '/swapfile none swap sw 0 0' >> /etc/fstab

Setting up multiple nodes

I recommend setting up one VPS, and then creating a bootstrap/backup, from which you then can create even more VPSs which don't have to sync with the blockchain anymore.

Additional Settings you can add to your dogecoin.conf

maxuploadtarget=<MiB per day>
maxconnections=<num>

Addnodes

~/dogecoin-1.14.2/bin/dogecoin-cli addnode dnf-1.gbf.re add
~/dogecoin-1.14.2/bin/dogecoin-cli addnode dnf-2.gbf.re add
~/dogecoin-1.14.2/bin/dogecoin-cli addnode dnf-3.gbf.re add
~/dogecoin-1.14.2/bin/dogecoin-cli addnode dnf-4.gbf.re add
~/dogecoin-1.14.2/bin/dogecoin-cli addnode doge1-eu.langerhans.de add
~/dogecoin-1.14.2/bin/dogecoin-cli addnode doge2-eu.langerhans.de add
~/dogecoin-1.14.2/bin/dogecoin-cli addnode doge3-eu.langerhans.de add
~/dogecoin-1.14.2/bin/dogecoin-cli addnode doge4-eu.langerhans.de add