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For some reason, it takes from 5 to 10 minutes just to run a networking related command such as ifconfig or iwconfig. Sometimes this happens on startup, sometimes this happens after a couple of hours.

My top output can be seen here.

  • Can you type top, or install htop by sudo apt-get install htop and add the content to your question – Tolga Varol Jul 18 '15 at 21:32
  • Do other, non-network tasks take as long? Have you looked at the system logs? I've had similar problems when my filesystem was corrupt and found my logs full of errors. – bobstro Jul 19 '15 at 2:47
  • Have a look at tail /var/log/syslog when this happens. – goldilocks Jul 19 '15 at 12:20
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    Hmmm -- there are certain kinds of hardware error that the kernel can't extract itself from easily once they occur. Kind of sounds like that. Wifi adapter problems on the pi are often power supply related; they may not occur until the system is under sufficient load. What are the volts/amps of your supply? Do you have another, beefier one you could test against? – goldilocks Jul 19 '15 at 21:29
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    @robbie0630 - Have you updated the OS and firmware to the latest? Are you running raspbian? What sort of USB wifi adapter are you using? Do you see a little 4 color square at the top-right of your display? – bobstro Jul 21 '15 at 4:23

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