Flushing Varnish from the command line

This will purge everything from the cache on Varnish 3.x. For Varnish 2.x, usepurge.url instead of ban.url

varnishadm -T :6082 -S /etc/varnish/secret "ban.url /"

Strictly speaking, this will not flush everything immediately, but will instead come into effect for all consecutive requests to your cache. But these are just techincal pernicketies, in practice, you can think of this as flushing your cache, partially or entirely.

The argument toban.url is a "contains" regular expression, so if you e.g. just want to purge somepicture.jpg, you can just pass somepicture.jpg to the Varnish command.

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