in reply to Re^6: How to solve Pseudo terminal issue OpenSSH
in thread How to solve Pseudo terminal issue OpenSSH

The periods are how non-printable characters are represented on the debugging output. It is the classic format for an hexdump.

In this particular case, they correspond to the CRLF characters ("\r\n").

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Re^8: How to solve Pseudo terminal issue OpenSSH
by waytoperl (Beadle) on May 14, 2015 at 16:54 UTC

    Thanks for CRLF information. Any insights How to allocate Pseudo terminal for SSH

      my ($pty, $pid) = $ssh->open2pty();
      See the section about integrating with Expect on the module documentation.

      In any case, you should investigate why ssh is requesting a remote tty when it is not requested. That is quite unusual (even if probably harmless).