Classification banners for Linux desktops

[Shawn Wells]

Hey Guys,

Has anyone used RHEL as a desktop and created classification
banners? I'm seeking to add "Top Secret," "Unclassified," etc to the
top of the screen, similar to how windows desktops appear for highside
networks. I'm trying not to re-invent the wheel, however I'm not 100%
sure it's even been invented yet. No hits on google.

My current thinking is that I'd have to create a GNOME panel, and
using the GDM "PreSession" command I can find out what resolution the
current user is. Pending that resolution I would set the background
image of the GNOME panel to an appropriate pre-defined image of that
resolution.

Has anyone else faced this? Any pointers?

Thanks,
Shawn

[Joshua L. Davis]

What an amazing target for an open source project.  I'll ping around the office to see if there is anyone here.

-Josh

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Joshua L. Davis
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[Joshua L. Davis]

A quote from guys here in regards to their use of RHELs:

"We use appropriately labeled desktop backgrounds and have found them to be sufficient.  We prevent users from changing their backgrounds with computer security policy."

Doesn't fix your problem but I guess for some is a solution.

-Josh

[Jennings, Jared L CTR USAF AFMC 46 SK/CCI]

It'd be cool if we could get a better one than the Windows folks have,
and here's one way it could excel.

The bigger things are, the easier they are to click on, and the top edge
of the screen has infinite height because when you shove the mouse up
there, it doesn't go past the top of the screen. The Windows banner
takes away that infinite height, making me aim in order to close a
maximized window, instead of just slamming the mouse up there and
clicking. Much slower. But in Linux, I can use the corners and edges of
the screen for many more interesting things, which makes this sort of
banner a crying shame.

Maybe if some X hackery were done instead of some Gnome hackery, we
could arrive at a banner which slightly reduces the height of the usable
screen as presented to X clients, displaying itself above that and
preserving the usability of the top corners and edge of the screen. As
an added benefit, it would work for any Linux user using an X server,
not just those using Gnome as their desktop. (I don't use a desktop at
all, for example.)

[shawn....@gmail.com]

FYI for interested I found a method for this before I left work. Will post in the am. Usibh the mouse corners still worked

Sent from my Verizon Wireless BlackBerry

[Vincent Passaro]

Did anyone every find a solution for this?

[shawn....@gmail.com]

I did.... Now let me see if I ever documented the solution =/ Here's a screen shot of what I did, to see if it matches up with what you're after. (Note this was a mockup, not an actual CIA desktop!)

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[Chuck Atkins]

I've done it before by adding a new empty panel on the top and bottom, and then changing the background on the gnome panel from "None (use system theme)" to a background image.  The image then was a small red rectangle with SECRET in it which gnome-panel then tiled all over it's self.

For example, say you has a small background image with the text "OMG TEXT":

Then adding the additional panels and setting their background image to this will result in (scaled 50%):

There may be better ways to do it but that was a quick 5 min. solution that took care of what I needed at the time.

- Chuck