Flush DNS cache in Lion and Mountain Lion

datePosted on 21:11, August 8th, 2012 by Many Ayromlou

Flush DNS cache in Lion and Mountain Lion:

To flush the DNS cache in Mac OS X 10.5 and 10.6, run this command in Terminal: 

sudo dscacheutil -flushcache 

To do the same in 10.7 and 10.8, run this command: 

sudo killall -HUP mDNSResponder 

(Via MacOSXHints.com)

One Response to “Flush DNS cache in Lion and Mountain Lion”

  1. Shon Jimenez on October 18th, 2012 at 13:03

    Once you enter the command and hit enter is it supposed to do something. I just get another command line.

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