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linux performance

Checking varnish configuration syntax

If you’ve updated your varnish server’s configuration, there doesn’t seem to be an equivalent of ‘apachectl configtest’ for it, but you can do :

varnishd -C -f /etc/varnish/default.vcl

If everything is correct, varnish will then dump out the generated configuration. Otherwise you’ll get an error message pointing you to a specific line number.

12 replies on “Checking varnish configuration syntax”

Sometimes it’s the simple things that make life easier. Varnishlogs aren’t what you’d expect so this is a life-saver (especially after an upgrade)

Yep, very helpful command, I was just pulling my hair to find where is the syntax error. Just run the command and found the remedy!

Thank you!

Brilliant. Thank you very much. Just the command I was hoping to find. Cheers. I knew there must be some way to test varnish, but hadn’t figured out what it was.

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