Network status

Network connectivity

checkAddr command will create a TCP socket to specified ip/port destination (or to defaults)

alien.py checkAddr -h
checkAddr [reference] fqdn/ip port
defaults are: alice-jcentral.cern.ch 8097
reference arg will check connection to google dns and www.cern.ch

* reference argument will add checking of google dns and www.cern.ch

Network latency

ping will time the ping/pong dialogue of the websocket connection.
this will contain network RTT and the server answer latency.

alien.py ping -h
ping <count>
where count is integer