@@ -118,6 +118,11 @@ When outputting to the terminal using the default pager, long lines

 appear to be truncated, but horizontal scrolling is supported via the

 left/right arrow keys.

+You can pipe the output to another tool, such as ``grep``. For

+example, to find a server instance UUID in the nova logs::

+

+  sudo journalctl -a --unit devstack@n-* | grep 58391b5c-036f-44d5-bd68-21d3c26349e6

+

 See ``man 1 journalctl`` for more.

 Debugging