Auto login to Unix Post: 302394647

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Special Forums Windows & DOS: Issues & Discussions Auto login to Unix Post 302394647 by methyl on Friday 12th of February 2010 07:01:59 AM

02-12-2010

Registered User

Further to the answer you were given last year.
https://www.unix.com/windows-dos-issu...ix-server.html

We could be more specific if you state which version of Windows and which version of unix.
The general solution is to use Windows "rsh" which is specifically for running unix commands on a unix server from a Windows command prompt (or Windows Batch File). Check with your Network Administrator whether remote shell is allowed in your security policy.

You will find many methods described on the Internet to get Windows rsh to work. Here is the simplest.

1) Choose a user on the unix server "unixserver" to host the commands. "unixuser".
Do not use "root" because this is inherantly insecure.
2) Note the username you use to log into you PC. "dosuser".
3) Create (or add to) a .netrc file in the home directory of "unixuser" with permissions 600 owned by "unixuser" and containing:

Code:

ip_address_of_pc dosuser

On some systems where we have IP address above it has to be fully qualified host name which you can find out by issuing "who -R am i" from a telnet session from the same PC.

4) Test rsh from the Windows command prompt. For example run unix command "pwd".

Code:

rsh unixserver -l unixuser -n pwd

Interestingly the obvious command to try is "who am i" but this will not work because "rsh" does not have a terminal context.

The command to be executed from rsh could be a shell script containing thousands of commands.

methyl

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LEARN ABOUT PLAN9

login.krb5

LOGIN(8)						      System Manager's Manual							  LOGIN(8)

NAME

       login.krb5 - kerberos enhanced login program

SYNOPSIS

       login.krb5 [-p] [-fFe username] [-r | -k | -K | -h hostname]

DESCRIPTION

       login.krb5  is a modification of the BSD login program which is used for two functions.	It is the sub-process used by krlogind and telnetd
       to initiate a user session and it is a replacement for the command-line login program which, when invoked with a  password,  acquires  Ker-
       beros tickets for the user.

       login.krb5  will  prompt  for a username, or take one on the command line, as login.krb5 username and will then prompt for a password. This
       password will be used to acquire Kerberos Version 5 tickets (if possible.) It will also attempt to run aklog to	get  AFS  tokens  for  the
       user.  The  version 5 tickets will be tested against a local krb5.keytab if it is available, in order to verify the tickets, before letting
       the user in. However, if the password matches the entry in /etc/passwd the user will be unconditionally	allowed  (permitting  use  of  the
       machine in case of network failure.)

OPTIONS

       -p     preserve the current environment

       -r hostname
	      pass hostname to rlogind.  Must be the last argument.

       -h hostname
	      pass hostname to telnetd, etc.  Must be the last argument.

       -f name
	      Perform pre-authenticated login, e.g., datakit, xterm, etc.; allows preauthenticated login as root.

       -F name
	      Perform pre-authenticated login, e.g., datakit, xterm, etc.; allows preauthenticated login as root.

       -e name
	      Perform pre-authenticated, encrypted login.  Must do term negotiation.

CONFIGURATION

       login.krb5  is  also  configured via krb5.conf using the login stanza. A collection of options dealing with initial authentication are pro-
       vided:

       krb5_get_tickets
	      Use password to get V5 tickets. Default value true.

       krb_run_aklog
	      Attempt to run aklog. Default value false.

       aklog_path
	      Where to find it [not yet implemented.] Default value $(prefix)/bin/aklog.

       accept_passwd
	      Don't accept plaintext passwords [not yet implemented]. Default value false.

DIAGNOSTICS

       All diagnostic messages are returned on the connection or tty associated with stderr.

SEE ALSO

       rlogind(8), rlogin(1), telnetd(8)

																	  LOGIN(8)