#!/bin/bash nc -z localhost 8081 || exit 1 nc -z localhost 8188 || exit 1 nc -z localhost 4222 || exit 1 nc -z localhost "$TALK_PORT" || exit 1 eturnalctl status || exit 1 if ! nc -z "$NC_DOMAIN" "$TALK_PORT"; then echo "Could not reach $NC_DOMAIN on port $TALK_PORT." exit 1 fi