Checking Connections with ping, traceroute, and mtr

If all worked properly in the preceding section, you should now be able to use the ping command to check that the interface is responding properly like this (using either local-host or its IP address):

matthew@seymour:~$ ping -c 3 localhostPING localhost (127.0.0.1) 56(84) bytes of data.64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.154 ms64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.159 ms64 bytes from localhost (127.0.0.1): icmp_seq=3 ttl=64 time=0.153 ms--- localhost ping statistics ---3 packets transmitted, 3 received, 0% packet loss, time 1998msrtt min/avg/max/mdev = 0.153/0.155/0.159/0.010 ms

You use the -c option to set the ...

Get Ubuntu Unleashed 2015 Edition: Covering 14.10 and 15.04, Tenth Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.