Flush Leopard local DNS cache

I had to change my IP addressing (because the Airport Extreme didn’t support 10.15.5.12/24). During the DNS modification, I couldn’t reach some of the machines. Obvisously, the Mac was keeping the old IP address in cache.

To flush your local DNS cache, just run:

# sudo dscacheutil -flushcache

Yeepee !!!

Source 10.5: Flush DNS cache

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