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01-16-2008, 05:20 PM
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 DISPLAY via telnet... Hello, All! By RFC telnet should pass DISPLAY and USER variables to remote machine, and it does so on AIX, LINUX, some of BSD, but does not on HP-UX (cygwin telnet vs. HP-UX telnetd). Is it my fault? How can I execute interactive remote shell on HP-UX with automatically set DISPLAY variable? Why does 'export DISPLAY=`hostname`:0.0;rsh rBox xterm -ls` ignore my ^digit keystrokes (namely ^6 in VIM)? Why does rlogind with installed LDAP-UX and pam_krb deny access to me although rcp, ftp, telnet, and rsh <some command> work ok? With best regards, Sergey Dolin.      |
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01-16-2008, 05:20 PM
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| Re: DISPLAY via telnet... Sergey Dolin wrote: > Hello, All! > > By RFC telnet should pass DISPLAY and USER variables to remote machine, and > it does so on AIX, LINUX, some of BSD, but does not on HP-UX (cygwin telnet > vs. HP-UX telnetd). > > Is it my fault? at least partly: I think the rfc is newwer than the implementation of the telnet deamon, if the deamon followed any rfc at all, I did not know of any remote protocol that nicely forwards such environment variables until I saw them in the newer (linux) implementations. I do know, some implementations are configurable on the passed parameters bu I don't recal on which platform. > > How can I execute interactive remote shell on HP-UX with automatically set > DISPLAY variable? verry hard. If you can use remsh/rlogin/rexec and such, look at xrlogin, xrsh or such. They are scripts to do what you might like. > > Why does 'export DISPLAY=`hostname`:0.0;rsh rBox xterm -ls` ignore my ^digit Better use the xterm option "-display" to set the display for the xterm or other X11 application. > keystrokes (namely ^6 in VIM)? Might be a keyboard mismatch. You can debug this with `xkeycaps.` > > Why does rlogind with installed LDAP-UX and pam_krb deny access to me > although rcp, ftp, telnet, and rsh <some command> work ok? This can be added security in the rlogind, not in the rexecd and rshd. Specially the .._krb does sound secirity to me. > > > With best regards, Sergey Dolin. > |
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01-16-2008, 05:20 PM
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| Re: DISPLAY via telnet... Corne' Beerse wrote: > Sergey Dolin wrote: > >> Hello, All! >> >> By RFC telnet should pass DISPLAY and USER variables to remote >> machine, and >> it does so on AIX, LINUX, some of BSD, but does not on HP-UX (cygwin >> telnet >> vs. HP-UX telnetd). >> >> Is it my fault? > > > at least partly: I think the rfc is newwer than the implementation of > the telnet deamon, if the deamon followed any rfc at all, I did not know > of any remote protocol that nicely forwards such environment variables > until I saw them in the newer (linux) implementations. > > I do know, some implementations are configurable on the passed > parameters bu I don't recal on which platform. > >> >> How can I execute interactive remote shell on HP-UX with automatically >> set >> DISPLAY variable? > > > verry hard. If you can use remsh/rlogin/rexec and such, look at xrlogin, > xrsh or such. They are scripts to do what you might like. > >> >> Why does 'export DISPLAY=`hostname`:0.0;rsh rBox xterm -ls` ignore my >> ^digit > > > Better use the xterm option "-display" to set the display for the xterm > or other X11 application. > >> keystrokes (namely ^6 in VIM)? > > > Might be a keyboard mismatch. You can debug this with `xkeycaps.` > >> >> Why does rlogind with installed LDAP-UX and pam_krb deny access to me >> although rcp, ftp, telnet, and rsh <some command> work ok? > > > This can be added security in the rlogind, not in the rexecd and rshd. > Specially the .._krb does sound secirity to me. > >> >> >> With best regards, Sergey Dolin. >> > We do a who on where you are coming from and tack it on there, here is a chunk from my .profile that I use to define it, you have to do a lot of iterations to really discover what the environ is, telnet, ssh, rlogin, xterm, etc... DISPLAY=`who am i -R | awk -F" " '{print $6}' | sed 's/(//' | sed 's/)//'`:0 |
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