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Re: Can't get cmd_remove_mode to work in Net::Telnet

by vek (Prior)
on Jan 15, 2009 at 21:38 UTC ( #736681=note: print w/replies, xml ) Need Help??

in reply to Can't get cmd_remove_mode to work in Net::Telnet

According to the docs, $t->cmd_remove_mode(1) removes one line to be echoed. Is it possible the remote host is returning 2 lines, the first of which you are correctly suppressing but the second line is still echoed? Could you try setting cmd_remove_mode to 2 to see if that makes any difference?

$t->cmd_remove_mode(2); # so that we suppress two lines my @distro = $t->cmd(String => "cat /etc/redhat-release");

Also, check out the possibility of using option_accept()

-- vek --

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Re^2: Can't get cmd_remove_mode to work in Net::Telnet
by gctaylor1 (Hermit) on Jan 15, 2009 at 21:44 UTC
    Thank-you! I can't believe I made such an oversight. I took the docs to mean the setting had to be -any- positive integer. I'd give you mega xp if I could. :)
      Also look at the option_accept() method, so you dont have to do this for every command. Then you can leave the echo mode on its default of 'auto'.

      ...reality must take precedence over public relations, for nature cannot be fooled. - R P Feynmann

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[tye]: probably something in the init subsystem that does the mounting that you could disable and reboot.
davido needs to close laptop to board flight home from yapc.
[davido]: I'll look into it in a few hours probably.
[davido]: when i do get to that point I think I'll do it in a vm snapshot just in case. :)
[oiskuu]: tye, you were right: loginuid/sessionid are part of task struct if compiled with AUDITSYSCALL. I have some doubts if you should actually depend on that feature.
[Corion]: oiskuu: Depends on what you want to do with that information
[tye]: I'm not depending on that feature. But I could in this environment. I'm using getlogin(). shrug
[Corion]: For benign logging (which user started this DB instance), it's OK
[tye]: We use auditd for security monitoring. So we can rely on auditing being enabled. I'm not sure who would want to not be able to audit. Maybe some VM inside another system with audit?

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