ChefDK:
* Linux/OS X – /opt/chefdk/embedded/ssl/certs/cacert.pem
* Windows – C:\opscode\chefdk\embedded\ssl\certs\cacert.pem
cat .chef/trusted_certs/* | sudo tee -a /opt/chefdk/embedded/ssl/certs/cacert.pem
knife ssl fetch [https://url]
Berks:
~/.berkshelf/config.json
{"ssl":{"verify": false }}