From 94aee8174d291a7f1265834c8e515a64451841eb Mon Sep 17 00:00:00 2001
From: Erik Arvstedt <erik.arvstedt@gmail.com>
Date: Fri, 26 Nov 2021 15:13:41 +0100
Subject: [PATCH] usage.md: add section `Managing services`

---
 docs/usage.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/docs/usage.md b/docs/usage.md
index 5d290a5..08ba40b 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -9,6 +9,31 @@ update-nix-bitcoin
 # Nodeinfo
 Run `nodeinfo` to see onion addresses and local addresses for enabled services.
 
+# Managing services
+
+NixOS uses the [systemd](https://wiki.archlinux.org/title/systemd) service manager.
+
+Usage:
+```shell
+# Show service status
+systemctl status bitcoind
+
+# Show the last 100 log messages
+journalctl -u bitcoind -n 100
+# Show all log messages since the last system boot
+journalctl -b -u bitcoind
+
+# These commands require root permissions
+systemctl stop bitcoind
+systemctl start bitcoind
+systemctl restart bitcoind
+
+# Show the service definition
+systemctl cat bitcoind
+# Show all service parameters
+systemctl show bitcoind
+```
+
 # Connect to RTL
 Normally you would connect to RTL via SSH tunneling with a command like this