Here is the definition from “http://docs.opscode.com“ of “Chef”:

Chef is a systems and cloud infrastructure automation framework that makes it easy to deploy servers and applications to any physical, virtual, or cloud location, no matter the size of the infrastructure. Each Chef organization is comprised of one (or more) workstations, a single server, and every node that will be configured and maintained by Chef. Cookbooks (and recipes) are used to tell Chef how each node in your organization should be configured. The chef-client (which is installed on every node) does the actual configuration.

In this article, I want to record how to install Chef server and client.

Basically it’s a classic scenario to use sed, from here:

Today I found there’s update of the “bash-completion” then I found “abs-guide” package.

From here and here. The code below tells everything.

From here.

“Semantic versioning“ is a “software versioning“ strategy which aims to reslove the “dependency hell” problem. I knew it from here. Here is the description from WikiPedia about it: