On Sat, May 1, 2010 at 10:52 AM, Les Mikesell <lesmikesell@xxxxxxxxx> wrote:
> hadi motamedi wrote:
>> Dear All
>> I need to schedule for a repeated task on my CentOS server, as the
>> followings:
>> -) Telnet to a remote node
>> -) Issue a command
>> -) Capture the output in a log
>> -) Logout from Telnet
>> -) Wait for a prescribed time interval
>> -) Then redo , but append the subsequent output in just on file
>> Can you please let me know which options do we have to write such a task?
>> Thank you
>
> If the remote end of this is some dumb device that can only do telnet, use
> expect, kermit, or perl's Net::Telnet module to chat with it. If it is another
> computer, set up ssh keys and just run remote commands directly. And use cron
> to schedule the runs.
Yah, perl would be easiest:
use Net::Telnet ();
$username = "fred";
$passwd = "fredspassword";
$server = new Net::Telnet (Timeout => 10, Prompt =>
'/\\[fred\\@vm\\-helios-005 \\~\\]\\$/');
$server->open("vm-helios-005");
$server->login($username, $passwd);
@lines = $server->cmd("hostname ");
print @lines;
That's almost unchanged from the example in cpan's Net::Telnet.. :)
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