Or just do what OpenBSD does: Make writable memory non-executable, make executable memory non-writable. This bit of common sense is disappointingly rarely implemented.
That's exactly what the Data Execution Prevention (DEP) is. It requires XP SP2 and a CPU that has the NX bit (or I forgot what Intel called the "we didn't copy this form AMD" bit). In fact, it appears that DEP does stop the exploit.
Most importantly, it is impossible to obtain magnification, the image will always be exactly the same size as the object. So it's not really fair to think about them as "lenses".
Sorry, but could you explain this a bit better? Say I have a 100nm transistor and a superlense. If the "lense" isn't magnifying the 100nm to something larger that I/a camera can see, then what good is it? I'm missing something along the way as to what's actually happening.
If you read some real powersupply reviews (where the majority is real data, not press photos) on X-bit labs such as this one or this one you see that normal PSUs are more like 70-80% efficient in their good range, with only one hitting 90% efficiency. The problem with switcher PSUs is that below a certain power draw their efficiency drops off significantly. For these units it's around 100w. It'll be interesting if X-bit does a review of this unit to see what its efficiency curve looks like.
Ever heard of E911? Phones have or will have a combination of GPS/triangulation to get "within 50 to 300 meters in most cases." Do you really think they'll limit using that just for 911 calls?
This is a variant on the Slashdotted tag. The old tag was along the lines of "this articles has recently been featured on slashdot, be on the lookout for trolls". Quite a few people didn't like the specifity of the old tag so the new tag is a generalization of it.
Actually a/symmetric refers to the hardware in the system, not how the OS runs. You can implement a Master/Slave kernel just as easily on an Asymmetric systems as a Symetric one. The basic idea behind SMP is that you have N identical CPUs connected to a common memory controller, and they all have equal access to main memory. Asymetric is where you have either a NUMA machine with each CPU having its own RAM, or a cluster of machines with a backbone fabric, or something similar where talking to some regions of RAM/IO are cheaper than talking to other regions.
> When microsoft just airbrushed apple off of their satellite maps it may have been an attempt to be funny but it was basically petty.
Sigh, they didn't airbrush apple off the map. The map was just a few years old, from before the current campus had been built. You could see the construction where it was being prepared for building in the field.
"The rootkit is designed to not be detected, and that is the scary part."
As opposed to those root kits that are designed *to* be detected? Damn it, thinking again instead of being scared into buying something. Really need to work on that...
Are you a fucking moron? Scroll down just a bit more and you see:
Wikipedia information about Robert Graves
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Robert Graves". More from Wikipedia
The entire point of open source is that people can take it and do whatever they want with it as long as they share it. This is the same as RedHat selling Linux, Answers.com is making money off ads from Wikipedia content.
The only reason they're there to begin with is because they're so damn cool, there's no way they could realistically compete in the full race. However check out this video by the stanford team, about one minute in:
So after looking into their project page I realized I actually saw a presentation given by these people last year. The article makes this sound like something it completely is not. Basically it's a grid of functional units that can connect to their neighbors. You "program" the chip by telling node 1 and 2 to take inputs and invert them, then feed the output to node 3, which then multiplies the two inputs. Really it's a glorified DSP that has some interesting programmability. Their code analyzation to generate the DSP code and then schedule it across a 3d matrix (2d function array x time) will certainly be interesting.
What this is *not* in any form is a general purpose CPU. It won't boot linux, plain and simple. This is for doing stream data processing such as compression or HPC simulations. I seem to remember in their presentation showing a prototype doing software-radio at a data rate usable for 802.11.
So glancing over the article it doesn't look like they're actually doing anything "new." Basically expanding on register renaming, speculitive execution, and the likes which making the cpu's job slighty easier to do it. Also their bit about data flow and "direct target encoding" sounds oddly like this patent by Cray from 1976 (!).
Overal they might make some things marginally more efficient, but they aren't solving any fundamental problems. They're simply moving some around slightly.
Anandtech has a quick review of the X2100 up. Fairly standard, but well designed server it looks like. The big news is the entry level one for only $745. True it doesn't come with a HD, but that's still a hell of a deal for a true server (not a dell desktop box lets call it a server).
Amazing little tidbit I found at MSNBC: SA is hosted at this site. That's one hell of a load to be able to host entirely through the storm and last few days, but it seems that they've intentionally taked it down to conserve bandwidth (SA doesn't dns resolve for me anymore).
You know, this article would have just been funny if it had just been left as "microsoft infected by virus, omg even their employees need anti-virus." Making it into an anti-offshoring rant is just stupid.
Umm...802.11 specs only define 11 (for g, 14 for b if I'm reading my stuff correctly) channels. That means a couple of these radio's will be running on the same channels, which is about as pointless as you can get. Also running two APs on channel 4 and 5 next to each other will cause lots of interference with each other. So basically this thing will just be spewing lots of radio interference destorying the throughput on any single channel.
Slashdot Mirror
That's exactly what the Data Execution Prevention (DEP) is. It requires XP SP2 and a CPU that has the NX bit (or I forgot what Intel called the "we didn't copy this form AMD" bit). In fact, it appears that DEP does stop the exploit.
Most importantly, it is impossible to obtain magnification, the image will always be exactly the same size as the object. So it's not really fair to think about them as "lenses".
Sorry, but could you explain this a bit better? Say I have a 100nm transistor and a superlense. If the "lense" isn't magnifying the 100nm to something larger that I/a camera can see, then what good is it? I'm missing something along the way as to what's actually happening.
> around 88% efficiency (depending on the model)
If you read some real powersupply reviews (where the majority is real data, not press photos) on X-bit labs such as this one or this one you see that normal PSUs are more like 70-80% efficient in their good range, with only one hitting 90% efficiency. The problem with switcher PSUs is that below a certain power draw their efficiency drops off significantly. For these units it's around 100w. It'll be interesting if X-bit does a review of this unit to see what its efficiency curve looks like.
Ever heard of E911? Phones have or will have a combination of GPS/triangulation to get "within 50 to 300 meters in most cases." Do you really think they'll limit using that just for 911 calls?
they don't carry unrated? Really?
This is a variant on the Slashdotted tag. The old tag was along the lines of "this articles has recently been featured on slashdot, be on the lookout for trolls". Quite a few people didn't like the specifity of the old tag so the new tag is a generalization of it.
Actually a/symmetric refers to the hardware in the system, not how the OS runs. You can implement a Master/Slave kernel just as easily on an Asymmetric systems as a Symetric one. The basic idea behind SMP is that you have N identical CPUs connected to a common memory controller, and they all have equal access to main memory. Asymetric is where you have either a NUMA machine with each CPU having its own RAM, or a cluster of machines with a backbone fabric, or something similar where talking to some regions of RAM/IO are cheaper than talking to other regions.
> That's K7, Opteron, and now AMD64
Umm, K7 = Athlon / XP / Duron. K8 = Opteron / AMD64 / Sempron. So that's 2 generations, not 3.
Actually at least one of the Crays use the nForce Pro chipset in them.
> When microsoft just airbrushed apple off of their satellite maps it may have been an attempt to be funny but it was basically petty.
Sigh, they didn't airbrush apple off the map. The map was just a few years old, from before the current campus had been built. You could see the construction where it was being prepared for building in the field.
"The rootkit is designed to not be detected, and that is the scary part."
As opposed to those root kits that are designed *to* be detected? Damn it, thinking again instead of being scared into buying something. Really need to work on that...
In case you're wondering what the name Brewster Jennings refers to, it's the CIA shell company that was exposed along with Valerie Plame's identity.
The only reason they're there to begin with is because they're so damn cool, there's no way they could realistically compete in the full race. However check out this video by the stanford team, about one minute in:
- Day-Three.wmv
http://cs.stanford.edu/group/roadrunner/video/NQE
The motorcycle runs into a fence and falls over, then manages to right itself and keep going pushing through the fence. That's pretty damn amazing.
What this is *not* in any form is a general purpose CPU. It won't boot linux, plain and simple. This is for doing stream data processing such as compression or HPC simulations. I seem to remember in their presentation showing a prototype doing software-radio at a data rate usable for 802.11.
Overal they might make some things marginally more efficient, but they aren't solving any fundamental problems. They're simply moving some around slightly.
Your friend then should obviously come to CMU and join the Kiltie Band
Ahh, I was wondering why they stole the logo.
It's been 11 seconds since you hit 'reply'.
I suspect the 0+1 functionality is a leftover of the Tyan mobo that they use in this box.
It looks like a custom mobo, not a Tyan. Anyway, RAID is a feature of the nForce chipset on any motherboard.
Anandtech has a quick review of the X2100 up. Fairly standard, but well designed server it looks like. The big news is the entry level one for only $745. True it doesn't come with a HD, but that's still a hell of a deal for a true server (not a dell desktop box lets call it a server).
Amazing little tidbit I found at MSNBC: SA is hosted at this site. That's one hell of a load to be able to host entirely through the storm and last few days, but it seems that they've intentionally taked it down to conserve bandwidth (SA doesn't dns resolve for me anymore).
You know, this article would have just been funny if it had just been left as "microsoft infected by virus, omg even their employees need anti-virus." Making it into an anti-offshoring rant is just stupid.
Umm...802.11 specs only define 11 (for g, 14 for b if I'm reading my stuff correctly) channels. That means a couple of these radio's will be running on the same channels, which is about as pointless as you can get. Also running two APs on channel 4 and 5 next to each other will cause lots of interference with each other. So basically this thing will just be spewing lots of radio interference destorying the throughput on any single channel.
is a fucking quake master.
that is all