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How-to: Bitcoin Full Node on Ubuntu 22.04

In this video, I talk about how to install and configure a Bitcoin full node using a snap on Ubuntu 22.04. One important thing I left out of the video is you need to go onto your Internet router and port forward tcp/8333 to your node to allow inbound Bitcoin node connections. ** Since I recorded the video I've made some tweaks to the log rotation so the below doesn't exactly match the video. ** The basic steps are: = Prep OS and install bitcoin core software sudo su apt update apt upgrade snap install bitcoin-core = Create an account to run Bitcoin core in even more isolation from the rest of the system groupadd btc useradd -g btc -m -s /bin/bash btc su - btc = Do a test run: bitcoin-core.daemon == If no errors then after 30s: ctrl-c tail ~/snap/bitcoin-core/common/.bitcoin/debug.log = Create the configuration file: cd ~/snap/bitcoin-core/common mkdir .bitcoin vi .bitcoin/bitcoin.conf externalip=121.98.x.x externalip=2404:4408:x:x::x listenonion=0 disablewallet=1 dbcache=2048 = If you created a config file then do another test run: bitcoin-core.daemon == If no errors then after 30s: ctrl-c tail ~/snap/bitcoin-core/common/.bitcoin/debug.log = Now setup to run as a daemon: == Become root again: exit vi /etc/systemd/system/bitcoind.service [Unit] Description=Bitcoin daemon After=network.target Wants=network-online.target [Service] User=btc Group=btc Type=forking PIDFile=/home/btc/snap/bitcoin-core/common/.bitcoin/bitcoin.pid ExecStart=/snap/bin/bitcoin-core.daemon -daemon -pid=bitcoin.pid KillMode=process Restart=always TimeoutSec=120 RestartSec=30 [Install] WantedBy=multi-user.target == Enable and start service systemctl daemon-reload systemctl enable bitcoind.service systemctl start bitcoind.service systemctl status bitcoind.service journalctl -xeu bitcoind.service = Setup log rotation of debug log vi /etc/logrotate.d/bitcoind /home/btc/snap/bitcoin-core/common/.bitcoin/debug.log { su btc btc missingok notifempty compress delaycompress sharedscripts copytruncate } == Check logrotation service is correctly configured sudo systemctl restart logrotate.service sudo systemctl status logrotate.service = Check Bitcoin Daemon su - btc bitcoin-core.cli -netinfo bitcoin-core.cli getnetworkinfo bitcoin-core.cli getblockchaininfo bitcoin-core.cli getpeerinfo tail ~/snap/bitcoin-core/common/.bitcoin/debug.log = This shows disk space used - should grow to begin with, currently 450GB "all up" for me du -h ~/snap/bitcoin-core/common/.bitcoin/ #bitcoin #ubuntu #howto Video Content 00:00 Intro 00:11 Why run a Bitcoin full node? 00:51 Requirements 02:22 CPU Load 02:34 Initial setup prep 04:06 Setup separate user to run software 04:32 Initial test run 04:52 Creating a config file 07:28 Create a systemd service 09:39 Setting up log rotation 11:15 Checks and troubleshooting