[Dub-pm] Perl & SSH
John Tobin
tobinjt at netsoc.tcd.ie
Fri Mar 11 05:43:12 PST 2005
On Fri, Mar 11, 2005 at 12:38:13PM +0000, Dave Burke wrote:
> It was working great until we started turning off telnet on certain
> routers, so I now need to upgrade it to talk to the routers via ssh.
> I'd prefer to just add to the existing script, so I've been looking at
> the various ways that perl & ssh work.
>
> Net::SSH
> Good: libnet-ssh-perl package for debian, so I dont have to build any
> modules
> Bad: doesn't support passwords.
>
> Net::SSH::Perl
> Good: Supports passwords
> Bad: No deb package && lots of dependencies for building the module
>
> Or, would I be better off just using something like Expect.pm?
I've written code to talk to Cisco boxes, and I'd suggest using
Expect.pm. Net::SSH doesn't support passwords, and Cisco's crap SSH
implementation doesn't support keys. Net::SSH::Perl does support
passwords, but I couldn't get it to talk to Cisco's SSH - it couldn't
negotiate a common set of capabilities or something. Try something like
autoexpect -p ssh -1 -4 -x -a -e none system at router
and convert the resulting Expect script to Perl + Expect.pm.
--
John Tobin
"It would be skewed and bias [sic] to only quote people that are
anti-Linux or anti-open source. I have done this for years, and will
continue to do so . . . "
-- Kenneth Brown, Alexis de Tocqueville Institution
http://www.adti.net/samizdat/brown.reply.june.04.html
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