doc: systemd -- clarify how to manually start all services.

See https://github.com/systemd/systemd/issues/9080 for
details/discussion.

diff --git a/doc/kresd.systemd.7 b/doc/kresd.systemd.7
index 541ea4ddb26a638a7cb734cdfdab05f7b5f3b964..0791165a2145f19cd368a366230a715e5f1a5752 100644 (file)
--- a/doc/kresd.systemd.7
+++ b/doc/kresd.systemd.7
@@ -132,7 +132,7 @@ that all enabled daemons are started and running, do:
 
 .nf
 .RS 4n
-.B systemctl start 'kresd@*.service'
+.B systemctl start --all 'kresd@*.service'
 .RE
 .fi