wiki/pages/user-units.md

@@ -24,12 +24,17 @@ you're creating)
         Description=foo
 
         [Service]
-        ExecStart=/bin/bash -c "while true do; echo hi; done"
+        ExecStart=/bin/bash -c "while true; do echo hi; sleep 1; done"
 
         [Install]
         WantedBy=default.target
 
-1. enable it
+1. set the `XDG_RUNTIME_DIR` and `DBUS_SESSION_BUS_ADDRESS` environment variables if [they were missing](https://unix.stackexchange.com/questions/245768/managing-another-users-systemd-units)
+
+        export XDG_RUNTIME_DIR="/run/user/$UID"
+        export DBUS_SESSION_BUS_ADDRESS="unix:path=${XDG_RUNTIME_DIR}/bus"
+
+1. enable and start it
 
         systemctl --user enable --now my-new-service.service