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Full Discussion: /dev/fb: Permission denied
Top Forums UNIX for Advanced & Expert Users /dev/fb: Permission denied Post 302318430 by sreyes27 on Thursday 21st of May 2009 01:39:41 PM
Old 05-21-2009
RE: /dev/fb: Permission denied
After working on this issue, it appears that this is because the framebuffer (/dev/fb) is accessible only to /dev/console terminals (not to pseudo-terminals). If all I'm after is getting the image /dev/fb from the console, I execute ' fbgrab image.png' (on the console) and then converting the image.png - say to a jpeg or other type?

Thanks,
~sreyes27

 

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LEARN ABOUT LINUX

devnm

devnm(1M)                                                 System Administration Commands                                                 devnm(1M)

NAME

       devnm - device name

SYNOPSIS

       /usr/sbin/devnm name [name...]

DESCRIPTION

       The devnm command identifies the special file associated with the mounted file system where the argument name resides. One or more name can
       be specified.

EXAMPLES

       Example 1: Using the devnm Command

       Assuming that /usr is mounted on /dev/dsk/c0t3d0s6, the following command :

       /usr/sbin/devnm /usr

       produces:

       /dev/dsk/c0t3d0s6 /usr

FILES

       /dev/dsk/*

       /etc/mnttab

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       mnttab(4), attributes(5)

SunOS 5.10                                                          14 Sep 1992                                                          devnm(1M)
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