Use the below syntax from the Terminal window on a Macintosh computer running OS X 10.5 (Leopard) to clear the DNS cache for the computer.

dscacheutil -flushcache

You might need to flush the DNS cache if you know a DNS change has been made recently but your Mac is not showing the change. OS X does a good job of DNS caching but it may take longer than you want to wait to update a changed DNS setting and running the above command will solve your issue without having to reboot.

Recently I configured a virtual host in Litespeed outside of the normal Virtual Host Template I use. Typically I use the EasyRailsWithSuEXEC but this time I needed to use the PHP_SuEXEC template. It was easy as most configurations are with the LiteSpeed however when I performed a graceful restart I noticed that the virtual host I had just configured was showing “Restart Required” instead of “Running” as shown in the image below.

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