[CentOS] Shell script - ping

Tue Jul 29 05:09:37 UTC 2008
Gopinath Achari <gopinath at signal-networks.com>

thank u all

On Mon, 2008-07-28 at 16:11 +0300, Javor Nikolov wrote:
> Hi,
> 
> If you you want a quicker execution - you could also run the pings to
> separate hosts in parallel starting the jobs in background (&) and
> waiting for them with "wait" after that. You'll have to be more
> careful about the outputs in that case - e.g. redirect them to
> separate files.
> 
> Regards,
> Javor
> 
> On Mon, Jul 28, 2008 at 2:57 PM, Laurence Alexander Hurst
> <L.A.Hurst at lboro.ac.uk> wrote:
>         Gopinath Achari wrote:
>                 hi,
>                 
>                                how to write a scripts which launches
>                 10 pings to different
>                 destinations at execution of single shell scripts
>                 
>                 please help me any ideas
>                 
>                 regards,
>                 Gopinath
>         Do you mean something like:
>         ping -c10 host1
>         ping -c10 host2
>         ....
>         which will ping host1 10 times, then host2 10 times etc. (see
>         `man ping` for details of the options).
>         
>         If you have a list of hosts in a file, you could do:
>         for host in `cat [filename]`
>         do
>                ping -c10 $host
>         done
>         
>         or:
>         
>         while read host
>         do
>                ping -c10 $host
>         done << [filename]
>         
>         If you only want to ping each host once, you can substitute
>         '-c10' with '-c1' (again, see the man page).
>         
>         Hope this helps
>         Laurence
>         
>         
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> 
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