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How would you go about securely destroying several hundred gigabytes of arbitrary data as quickly as possible?
Incinerating hard drives is a slow, manual (and therefore insecure) process.
Physically destroying the drives does not (necessarily) take a significant amount of time. Consider, for example, http://www.redferret.net/?p=14528 .
I know the answer but this seems like one of those questions best left unanswered unless you know why it's being asked.
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I would like to plot the CPU and memory usage of an application on linux vs time. What is the best way to do this?
Would greping these values out from top every 0.1s and writing them into some file work - or is there a better and easier way?
There is an easier way. All of the information displayed in top can be found in /proc/<pid>/, most of it in /proc/<pid>/stat. man proc describes the content of these files.
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Does the current Linux kernels implements some form of page coloring when assigning virtual to physical address mapping?
Arka
No.
Linus said:
there have been at least four different major cache coloring trials
for the kernel over the years. This discussion has been going on since the
early nineties. And none of them have worked well in practice.
Reasons are that it adds too much cost to the page free/page alloc paths, and it's pointless
because caches have become associative so that there is no need.
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I want to do mindmaps which are of the quality of mindmeister that you could include picture and links etc and would be able to export it reasonably well and print it.
I love X-Mind. I don't know if it does what you need, but I only use a small subset of it and still it rocks!
It has a very complete free version that never expires and doesn't contain crapware.
http://www.xmind.net/download/linux/
I prefer Freeplane but FreeMind can do the same things:
http://freemind.sourceforge.net/wiki/index.php/FreeMind_on_Linux
http://sourceforge.net/projects/freeplane/
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For a reason, when we create a backup of our game disk, there is always a difference between the original disk and the self-burned backup. A lot of games can detect that the disk, inserted in the optical drive isn't an original one.
The game isn't satisfied neither with a virtually mounted image file.
So what makes the difference and how does the software detect it?
Thanks
Maybe this is a superuser.com question, but I'm not sure...
Copy protection schemes involve putting features on the manufactured disk that are difficult or impossible to create using a consumer recorder. One common technique is to put deliberate errors on the disc. See the Wikipedia article on CD/DVD copy protection for more information.
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I want to develope a server for World Of Warcraft. Where can i find a reference for this?
I got Mangos source code already.
You don't, because it's against the law.
Blizzard recently sued a company for doing this, and were awarded $88 million in damages. So unless you have a couple million dollars in legal penalties lying around, you simply don't do it.
Reference: http://www.bit-tech.net/news/gaming/2010/08/17/blizzard-sues-private-wow-server-operator/1