Monitor last lines of multicast Domain Name System related services Monitor last lines of mDNS repeater service journalctl --no-hostname --follow --boot --unit avahi-daemon.service Show log for multicast Domain Name System related services Show log for mDNS repeater service journalctl --no-hostname --boot --unit avahi-daemon.service Restart specific multicast Domain Name System service Restart mDNS repeater service sudo systemctl restart avahi-daemon.service