# default port : if hostname starts with z -> use 8080 ; otherwise take 80
#hostname | grep -q '^z' && port=8080 || port=8080
-hostname | grep -q '^z' && port=8080 || port=8080
+hostname | grep -q '^z' && port=8080 || port=80
[[ -n "$@" ]] && port=$1
while true; do