diff --git a/README.md b/README.md
index e12ec31..ef20d2d 100644
--- a/README.md
+++ b/README.md
@@ -374,3 +374,7 @@ curl -s -H "Title: SSH Login" -d "$NTFY" ntfy.signal9.xyz/SSH > /dev/null
 fi
 ```
 ***
+
+## journalctl
+See all isc-dhcp-server logs since 2024-04-15 10:00:00:
+`sudo journalctl -u isc-dhcp-server -S "2024-04-15 10:00:00"`