ubuntu@ubuntu:~$ sudo tail -f /var/log/syslog
Dec 25 21:52:27 ubuntu weewx[3615] INFO weewx.manager: Starting backfill of daily summaries
Dec 25 21:52:27 ubuntu weewx[3615] INFO weewx.engine: Starting main packet loop.
Dec 25 21:52:28 ubuntu systemd[1]: Reloading.
Dec 25 21:52:29 ubuntu systemd[1]: /lib/systemd/system/dbus.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/dbus/system_bus_socket → /run/dbus/system_bus_socket; please update the unit file accordingly.
Dec 25 21:52:34 ubuntu dbus-daemon[1674]: [system] Activating via systemd: service name='org.freedesktop.PackageKit' unit='packagekit.service' requested by ':1.23' (uid=0 pid=3737 comm="/usr/bin/gdbus call --system --dest org.freedeskto" label="unconfined")
Dec 25 21:52:34 ubuntu systemd[1]: Starting PackageKit Daemon...
Dec 25 21:52:34 ubuntu PackageKit: daemon start
Dec 25 21:52:34 ubuntu dbus-daemon[1674]: [system] Successfully activated service 'org.freedesktop.PackageKit'
Dec 25 21:52:34 ubuntu systemd[1]: Started PackageKit Daemon.
Dec 25 21:53:06 ubuntu systemd-resolved[1632]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Dec 25 21:54:08 ubuntu systemd[1]: Starting Cleanup of Temporary Directories...
Dec 25 21:54:08 ubuntu systemd[1]: systemd-tmpfiles-clean.service: Succeeded.
Dec 25 21:54:08 ubuntu systemd[1]: Finished Cleanup of Temporary Directories.