I’ve been working with Chef at work and there are several items that I keep looking up.  The first of these is calculating the checksum for a file that chef downloads.  Since we are doing some customized recipes I keep looking at having to grab a file and check the checksum, although not completely necessary…

FATAL: Net::HTTPServerException: 413 “Request Entity Too Large” A nasty message from the chef-client that was happening because ohai was uploading all of our users and groups.  But after configuring the /etc/chef/client.rb file and adding: Ohai::Config[:disabled_plugins] = [“passwd”] Is no longer an issue https://wiki.opscode.com/display/chef/Disabling+Ohai+Plugins