Varnish useful commands

varnish_useful_commands.sh

#!/bin/sh

# Check configuration file
sudo varnishd -C -f /path/to/default.vcl -p vcl_dir=/path/to/vcl_dir

# Ban/Purge a URL
sudo varnishadm "ban req.http.host ~ ^<hostname>$ && req.url ~ ^<url>$"

# Change configuration
## Show list of configurations
sudo varnishadm "vcl.list"
## Show configuration
sudo varnishadm "vcl.show <config>"
## Load new configuration
sudo varnishadm "vcl.load <config> default.vcl"
## Verify new configuration
sudo varnishadm "vcl.show <config>"
## Use new configuration
sudo varnishadm "vcl.use <config>"