Portability: use `uname -n` instead of `hostname`.
@ -6813,7 +6813,7 @@ _send_notify() {
_nsource="$NOTIFY_SOURCE"
if [ -z "$_nsource" ]; then
_nsource="$(hostname)"
_nsource="$(uname -n)"
fi
_nsubject="$_nsubject by $_nsource"