Re: OT Strange Punishment
The kid's an idiot. Set up qemu on the mandatory windows machine and run your Ubuntu. The sentence said nothing about running an emulated OS on your monitored OS. The kid is just a whiner First they give me two felonies, then they throw me in prison, and now this. As if using Windows is more damaging to your reputation than felonies... On 8/29/07, Rui Miguel Silva Seabra [EMAIL PROTECTED] wrote: On Wed, Aug 29, 2007 at 08:32:25PM -0300, Rafael Almeida wrote: The main problem I see here is the government incentivating the purshase of Microsoft product. It's kinda dumb paying the guy pay to a company that has nothing to do witht he whole thing as a punishment for your crimes. It would make sense if the government charged him for using some government OS. Besides the point that I consider restricting someone from acessing a computer to be tantamount to gagging, it is perverse that a convicted monopolist be beneficiated in such a way. Rui -- Keep the Lasagna flying! Today is Boomtime, the 23rd day of Bureaucracy in the YOLD 3173 + No matter how much you do, you never do enough -- unknown + Whatever you do will be insignificant, | but it is very important that you do it -- Gandhi + So let's do it...?
Re: Security of the keyboard
someone already hacked you and sent that message -- be afraid On 6/20/07, Marc Balmer [EMAIL PROTECTED] wrote: * Bob Beck wrote: And guess what. Keyboards use a serial protocol. Which means that there will be slightly different voltage drops in the system varying with the keys you press. ZOMG! OpenBSD provides a side channel for attackers through the sensors framework! And don't forget the aps(4) sensor on Thinkpads! The accelerometer can probably measure the acceleration caused by various key strokes and that acceleration will be different depending on where on the keyboard you hit (different angles) and with which finger (different strength). well, and dont' forget the physical attack angle. Between the screen leakage perhaps being used to detect a large number of pink pixels and the aps(4) sensor leakage could probably detect the rythmic thumping when the laptop owner is doing some one handed laptop driving when the other hand is occupied. An attacker could use this information to then physically take control of the machine while the operator has both hands busy and is vulnerable! I just unplugged all my keyboards.
Re: OpenBSD serial terminal binary programs
On 5/10/07, Diana Eichert [EMAIL PROTECTED] wrote: On Thu, 10 May 2007, Jason McIntyre wrote: note that cu and tip have separate man pages now. jmc yeah, I just looked in one of the ssh sessions I had running, it's running 3.5. Can you use cu/tip to start a session with a box with no kernel to start a remote install? The man page says cu/tip establishes a full-duplex connection to another machine, giving the appearance of being logged in directly on the remote CPU. This part leads me to believe that it should be no problem, but reading further, It goes with-out saying that you must have a login on the machine (or equivalent) to which you wish to connect. Makes me think some sort of OS has to be present before using cu. I have a couple of sparc machines with no monitor/OS that I would love to throw an OS on.. Zach
Re: OpenBSD serial terminal binary programs
On 5/11/07, Bob Beck [EMAIL PROTECTED] wrote: Makes me think some sort of OS has to be present before using cu. I have a couple of sparc machines with no monitor/OS that I would love to throw an OS on.. Zach sure you can, but the hardware boot ROM has to support it. I ran most of my non-intel systems headless for years. If you're running i386/amd64 boxes a lot have a BIOS setting called console redirection or something similar. While it works it's no where near as friendly as the non-intel workstation/server ROM monitors. However as more and more intel/amd boxes showed up in lights out data centers the server manufactures started supporting real remote management solutions. Typically for OpenBSD, you need to set the PC bios on an i386 machine to do console redirection at 9600 baud (8N1) until the OS boots and *NOT* do it afterwards. This is because if it does it afterwards then typically the bios eats com0 and you can't use it from OpenBSD for a real serial tty. The trick is finding the right settings in the stupid bios. and of course since PC bios's are based on 15 years of programming by monkeys with typewriters it can be a bit of an effort sometimes, assuming your bios supports it, and it works. we run most of our i386 boxen here headless with serial consoles. we either connect direct with tip/cu, or we run conserver from ports, which is a wonderful thing. -Bob Fortunately this is a sparc machine, so I do not believe I will need to manually set the BIOS. At least I hope not. When you mentioned setting the BIOS on an i386 to do a redirection, this makes me think that this initial step is not a headless operation. My goal is to do the entire install etc. headless (since I am without a monitor, but have access to a bsd laptop + serial). I will be playing around with this tonight so I should know more soon. Bob, Diana, and Stuart -- Thanks for the great responses, its exactly what I needed. Zach
