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lbrycrd/doc/systemd.md

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SYSTEMD SUPPORT IN BITCOIN

Packagers can find a .service file in this repo in order to integrate bitcoin's daemon into systemd based distributions.

bitcoind.service file is located in contrib/systemd/ folder.

  1. Users

This .service file assumes bitcoind user and group exist in the system, so packager should make sure they are created on installation.

  1. Files

The .service file assumes several paths that might need to be adjusted according to packager's needs.

Daemon's config file is assumed to be located at /etc/bitcoind.conf (you can use contrib/debian/examples/bitcoin.conf as an example). Once installed, users must edit the file in order to update at least these two values: rpcuser and rpcpassword . Failing to do so will make the daemon fail to boot. However, the message written to /var/lib/bitcoind/debug.log file is very helpful and no default values should be set:

YYYY-MM-DD HH:MM:DD Error: To use the "-server" option, you must set a rpcpassword in the configuration file:
/etc/bitcoind.conf
It is recommended you use the following random password:
rpcuser=bitcoinrpc
rpcpassword=HdYZ5HGtAF7mx8aTw6uCATtD2maMAK4E12Ysp4YNZQcX
(you do not need to remember this password)
The username and password MUST NOT be the same.
If the file does not exist, create it with owner-readable-only file permissions.
It is also recommended to set alertnotify so you are notified of problems;
for example: alertnotify=echo %s | mail -s "Bitcoin Alert" admin@foo.com

Daemon's data and pid files will be stored in /var/lib/bitcoind directory, so it should be created on installation and make bitcoind user/group it's owner.

  1. Installing .service file

Installing this .service file consists on just copying it to /usr/lib/systemd/system directory, followed by the command "systemctl daemon-reload" in order to update running systemd configuration.