How to flush DNS cache in Linux / Windows / Mac - Powered By Kayako SupportSuite

06 Sep 2010

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	How to flush DNS cache in Linux / Windows / Mac

Solution To flush DNS cache in Microsoft Windows:

- Start -> Run -> type cmd
- in command prompt, type ipconfig /flushdns
- Done! You Window DNS cache has just been flush.

To flush the DNS cache in Linux, restart the nscd daemon:

- To restart the nscd daemon, type /etc/rc.d/init.d/nscd restart in your terminal
- Once you run the command your linux DNS cache will flush.

To flush the DNS cache in Mac OS X Leopard:

- type lookupd -flushcache in your terminal to flush the DNS resolver cache.
ex: bash-2.05a$ lookupd -flushcache
- Once you run the command your DNS cache (in Mac OS X) will flush.

To flush the DNS cache in Mac OS X:

- type dscacheutil -flushcache in your terminal to flush the DNS resolver cache.
ex: bash-2.05a$ dscacheutil -flushcache
- Once you run the command your DNS cache (in Mac OS X Leopard) will flush.

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26 Feb 2009 04:16 AM