Service Discovery

We can broadcast services like SSH over the local network, so that if we forgot what port to SSH in to we can easily find out.

To broadcast the hostname piserver.local, and the SSH service on port 22:

pacman -S --needed avahi nss-mdns
cp /usr/share/doc/avahi/ssh.service /etc/avahi/services/
systemctl enable --now avahi-daemon.service

(I had to restart dbus.service for whatever reason on my PC.)

We can check if this worked from another machine using avahi-browse -alrt. To do this we must follow the complete set of instructions for the other machine at which includes setting up the domain name resolution.


Update the backup file:

    /etc/avahi/services/ \

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