Как сбросить кэш днс на linux/mac os x/windows (flush dns on linux/mac os x/windows)

To flush DNS cache in Microsoft Windows (Win XP, Win ME, Win 2000):-
— 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.