March 2012
Beginner to intermediate
230 pages
7h 27m
English
Content preview from Linux Pocket Guide, 2nd Edition
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Name
ping — stdin stdout - file -- opt --help --version
Synopsis
ping [options]host
The ping command tells you
if a remote host is reachable. It sends small packets (ICMP packets
to be precise) to a remote host and waits for responses.
$ ping google.com
PING google.com (74.125.226.144) from 192.168.0.10 :
56(84) bytes of data.
64 bytes from www.google.com (74.125.226.144): icmp_seq=0
ttl=49 time=32.390 msec
64 bytes from www.google.com (74.125.226.144): icmp_seq=1
ttl=49 time=24.208 msec
^C
--- google.com ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/mdev = 24.208/28.299/32.390/4.091 msUseful options
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Ping at most
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Wait
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Print IP addresses in the output, rather than hostnames. |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.