show log timestamps in the UTC timezone. journalctl now also
accepts -n/--lines=all to disable line capping in a pager.
+ * journalctl gained a new switch, --flush, that synchronously
+ flushes logs from /run/log/journal to /var/log/journal if
+ persistent storage is enabled. systemd-journal-flush.service
+ now waits until the operation is complete.
+
* Services can notify the manager before they start a reload
(by sending RELOADING=1) or shutdown (by sending
STOPPING=1). This allows the manager to track and show the