Dleting a Device in AIX 4.3 Post: 1010

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Top Forums UNIX for Dummies Questions & Answers Dleting a Device in AIX 4.3 Post 1010 by Neo on Friday 2nd of February 2001 02:26:37 PM

02-02-2001

Administrator

The 'device in use' error comes from the fact that there is a process running which has an open/active file descriptor associated with the device. You must determine the process(es) which is(are) associated with the device and kill it(them).

If the device is a tty then you have to determine which tty is in use (mouse, modems, console, logins, etc) and make sure when you kill the process that you are not killing the shell you are working in. For example, if you are at a console and logged in to the system, you cannot kill that tty. If you do, you will be kicked off, because your shell process (associated with the tty) will die.

Enjoy the detective work! It not too hard of a detective-problem and should be rewarding finding out which TTYs are associated with what process Smilie

Neo

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LEARN ABOUT SUSE

setconsole

SHOWCONSOLE(8)						       The SuSE boot concept						    SHOWCONSOLE(8)

NAME

       Showconsole - determines the underlying tty of stdin
       Setconsole - sets the underlying tty of /dev/console

SYNOPSIS

       showconsole [-n]

       setconsole /dev/tty<xy> < /dev/console

DESCRIPTION

       showconsole  determines the underlying character device of the current stdin.  This can be used on /dev/console as current character device
       to get the real character device back.

       setconsole sets the underlying tty of the system console /dev/console.  This requires that the standard input is identical  with  /dev/con-
       sole and exactly one argument, a valid character device is given.

OPTIONS

       -n     Return  the  major and minor device numbers instead of the device file name.  This can be used to asked the kernel for the major and
	      minor device numbers of a not existing device file in /dev.

BUGS

       showconsole needs a mounted /proc file system and tries to set the controlling tty to stdin if no controlling tty is found.  After  reading
       /proc the status of the controlling tty is restored to avoid problems with getty processes.

FILES

       /proc/<pid of showconsole>/stat
	      the stat file of the showconsole process.

       /dev/console
	      the system console.

SEE ALSO

       blogd(8), console(4), tty(4), proc(5).

COPYRIGHT

       2000 Werner Fink, 2000 SuSE GmbH Nuernberg, Germany.

AUTHOR

       Werner Fink <werner@suse.de>

3rd Berkeley Distribution					   Nov 10, 2000 						    SHOWCONSOLE(8)