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  • 0 posts edited
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  • 258 votes cast
Mar
12
comment I want to run an rsync command at midnight but make it stop at 8am. How can i schedule the start AND END of a command?
@RandyHoward: ulimit -t will limit the CPU time used, but rsync generally uses very little CPU, being limited by I/O.
Feb
5
comment Why are my mapped drives so slow?
Please include what operating systems, network connections and hardware are being used.
Feb
4
comment Why are my mapped drives so slow?
Edited to add: Do this on the server.
Dec
20
comment Why are SSDs so fast compared to raw NAND?
You mean parallelized I believe.
Oct
26
comment Will HDD's permission settings work when plugged on another computer/OS?
@PJC: With the right software, or a dev environment, you can read files without taking ownership by using impersonation.
Oct
26
comment Looking at the screen in Windows 8 hurts my eyes
Big agreement. I run my desktop monitor (inside, fluorescent lighting, no outside windows) at 20% after doing calibration and contrast adjustments.
Sep
3
comment Can a Windows PC do anything while it is sleeping?
It doesn't require special hardware support, unless you mean keeping the power lights off. Windows or Linux could do it by only waking the CPU and RAM, then running a special process instead of resuming the complete system where it left off. Hard drives and displays can already sleep independently of the CPU, so just leave them turned off.
May
14
comment Why does IPv6 use 128 bit addressing?
@MarkRansom: In 50 years everything in your house could be made out of computronium.
May
14
comment Does disabling IPv6 decrease my surface area of attack and increase performance?
@EightBitTony: I believe Microsoft uses Teredo to get IPv6 over UDP when there is no working IPv6 route.
May
1
comment Transatlantic ping faster than sending a pixel to the screen?
@KonradRudolph: Perception is pretty weird stuff. I read an article a while ago about an experimental controller that read impulses directly off the spinal cord. People would feel that the computer was acting before they had clicked, even though it was their own nerve command to click it was reacting to.
Mar
30
comment Why does the IP address matter to IE9?
Could be an option probe. For ECN perhaps. Compare the TCP options in both packets.
Mar
27
comment Windows 7 RAM says only 16 GB of 24 GB of RAM is available
@Paperlantern: Who says you need it? RAM is cheap so you may as well fill all the slots. You can use it to cache 1080p movies in RAM.
Mar
5
comment Why must a computer have a BIOS?
@m0skit0: Sort of. There are BIOS modules for CoreBoot but you do not need them. Used in the role to start a Linux kernel all it needs to do is some basic motherboard configuration, like RAM initialization. It is (B)asic but has no (I)nput or (O)utput (S)ystem.
Mar
1
comment Why must a computer have a BIOS?
You can direct boot from flash to Linux with the right motherboard and CoreBoot. It is used in some clusters.
Jan
4
comment Loss of wireless network connectivity when playing video via HDMI cable
A different and/or better quality cable may also solve the problem.
Dec
7
comment Data loss by randomly unplugging the computer during runtime
@Ivan: Yes, if the disk was writing a stream of blocks when it loses power it may not be able to finish and it leaves a block with a bad ECC code (ie, a bad block). A new write to that block will fix it.
Nov
18
comment Why do HD movies use up all my RAM?
This is going to be a hard one to answer because I know lots of people who have no problem playing HD video on their computers, and I've never seen a problem like yours. It's probably something unique to your hardware or software versions.
Nov
18
comment Is overclocking legal?
@music2myear: Even very smart people occasionally screw up and burn a CPU or put too much voltage on the RAM, or both. Heh. I guess I am just saying that dangerous tools are still dangerous even when you know how to use them.
Nov
4
comment What does wwws mean?
I've also seen wwws used as a name for a SSL accelerator proxy.
Sep
20
comment Check if a folder is on a shared or local disk?
If you are asking a programming question this should stay on StackOverflow. If this is a question about how to do it from the GUI, command-line or other, then it should be moved to SuperUser or ServerFault