Originally posted by ssokolow
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Dell Adding Hardware Privacy Driver For Linux
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Originally posted by f0rmat View Post
I actually used an automotive sealant called Permatex on one system one time. The LED was dimpled in just a little bit and the case was flat black. The light was insanely bright, too. I put some Permatex black on it (scraping it flat with the case) and nothing came through after it set. But most people would not have that stuff on hand unless you tinker with cars - it is cheap. Additional, it can be pried out (carefully) if you decide to remove it later.
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Originally posted by Paradigm Shifter View PostPerhaps I'm just more/overly sensitive, or perhaps the electrical tape I can get easily here is thinner than elsewhere, but I find it blocks LEDs (blue in particular) poorly. I need multiple layers (up to six on each LED on my KVM! Those things are insanely bright) to block it adequately, and it can leave a residue behind. Tiny balls of Blu-tac are so much easier, if less aesthetically pleasing. That said, mini stacks of electrical tape look kind of ugly too.
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Originally posted by ssokolow View PostI prefer electrical tape because it comes in the most common colors and textures (i.e. matte, glossy) for case plastic, so carefully cutting a piece with a utility knife can produce something that, once carefully placed, is almost invisible and looks like it was put on at the factory.
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Originally posted by f0rmat View Post
I use a post it note sticky that way I can write a note on it - like remember the wife's birthday. Then I can change it out when I need to remember something else.
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Originally posted by ssokolow View Post
I prefer electrical tape because it comes in the most common colors and textures (i.e. matte, glossy) for case plastic, so carefully cutting a piece with a utility knife can produce something that, once carefully placed, is almost invisible and looks like it was put on at the factory.
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Originally posted by Paradigm Shifter View PostBlu-tac is your friend.It's much more precise than tape, and I've managed to cover the blue LED on my monitor, but leave the infrared sensor clear enough to use the remote from about two thirds of its "uncovered" angles. Stupid cheap monitor which doesn't have all the OSD controllable by physical buttons on the monitor... why a cheap monitor has an IR remote I don't understand either. Fashion? A bullet-point for marketing?
It's blue LEDs that get me the most. They are the brightest of any colour, and for some reason are "fashionable", despite all the fuss about blue light being bad for eyes and sleep. When I was in the UK, I had satellite TV (Sky) and the box was blue-LED city. My KVM switch is the same - a nice, neat row of eight bright blue LEDs. Livable - just - at work, but at night I might as well not turn the light off in my apartment.
My solution? Blu-tac everything. Even the light switches in my apartment have LEDs on them (supposedly to help you "find" them in the dark - but at least they're green...) so I've stuck Blu-tac on them too. I find the dichotomy very interesting; a constant push to have little lights everywhere, which can't be turned off, but then turn around and say that sleeping with high artificial ambient light is bad, blue lights are worse, etc... but... mai arr-gee-beees!
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Originally posted by Old Grouch View Post
Well, I did read the post, but breaking with the tradition on the Internet of not reading the fine article, I actually had a look at the patch on the linux kernel mailing list. Unfair, I know.
The text there is:
I would be surprised if ctrl-F4 and ctrl-F9 are hardware keys that physically disconnect microphone and camera respectively, but many years experience have taught me that life can be surprising: please go ahead and surprise me.
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Originally posted by brent View PostThe people complaining apparently haven't actually read the post. The driver is required to inform the OS and user about the device state. The switches are supposedly hardware-based and the driver is optional.
A bare hardware switch with no software feedback would mean that the device would just suddenly and unexpectedly "fall off the bus". That isn't really great to handle in software. The driver probably helps to handle toggling in a more graceful manner.
The text there is:
add support for dell privacy driver for the dell units equipped hardware privacy design, which protect users privacy of audio and camera from hardware level. once the audio or camera privacy mode enabled, any applications will not get any audio or video stream. when user pressed ctrl+F4 hotkey, audio privacy mode will be enabled and camera mute hotkey is ctrl+F9.
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Originally posted by ssokolow View Post
Apparently the driver lets the OS read the status of the hardware kill switch and independently control the status LED... which isn't good for a security tool but I suppose it has uses similar to my hack for inverting the Numlock LED on X11.
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