echo "Enable mDNS resolution for existing Avahi installations" if systemctl is-enabled avahi-daemon.service >/dev/null 2>&1; then if ! grep -q "mdns_minimal" /etc/nsswitch.conf; then sudo sed -i 's/^hosts:.*/hosts: mymachines mdns_minimal [NOTFOUND=return] resolve [!UNAVAIL=return] files myhostname dns/' /etc/nsswitch.conf fi fi