To test the reachability of our servers, you can use the ping utility. Example of a successfully established ping connection:

patio@patio-lin:~$ ping
PING ( 56(84) bytes of data.
64 bytes from icmp_seq=1 ttl=62 time=6.73 ms
64 bytes from icmp_seq=2 ttl=62 time=5.08 ms
64 bytes from icmp_seq=3 ttl=62 time=5.06 ms

--- ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 5.055/5.620/6.725/0.780 ms

If for some reason the ping utility is not available, you can also use Telnet instead. Example of a successfully established Telnet connection:

telnet 3333
Connected to