Berkeley CSUA MOTD:Entry 28849
Berkeley CSUA MOTD
2019/03/26 [General] UID:1000 Activity:popular

2003/6/27 [Computer/SW/OS/Linux] UID:28849 Activity:high
6/26    This command is hanging on my RH linux box:
        ping -c 1 -t 1
        It doesn't hang from here on timeout.   What should i do?
        \_ you are setting your TTL to 1 hop? why would you do that?
           you are basically saying "if you have to go through more than
           1 router, die.." and im sure yahoo is at least 5 hops away.
           -t is in hops, not seconds.. read the man page.
           \_ Wrong answer.  -t is timeout.  -T is ttl.  He almost certainly
              has a problem with his resolver.  Check /etc/resolv.conf and
              make sure your nameservers are working properly. --scotsman
           \_ The man page says " -t ttl Set the IP Time to Live."
              That's *IT*, though I don't really care.  I'd be happy to be
              saying what you are saying above.  It still shouldn't
              HANG.  It doesn't if you do it from here and it doesn't if I
              do it from my other linux box (diff network).  The question
              is:  WHY IS IT HANGING? (this is related to a bunch of hanging
              pings i get from my network test that run without the -t flag)
              Normal pings work the vast majority of the time.   (haven't
              got one to fail for me manually, just 8/1440 in the cronjob)
2019/03/26 [General] UID:1000 Activity:popular

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