Linux Administration Cookbook

Getting ready

SSH to your CentOS VM:

$ vagrant ssh centos1

cURL and OpenSSL should be universal at this point, and you can expect a system to have them by default. 

Wget is a bit more elusive, and is rarely part of a default install, but it's easy enough to install:

$ sudo yum install wget -y

At the moment, OpenSSL is everywhere, but due to a string of high-profile vulnerabilities, *cough* heartbleed *cough*, it has been forked a couple of times to produce approximations, though hopefully approximations with a limited number of problems. The most famous of these is LibreSSL by the OpenBSD folks, and while it's the default in that particular OS, it's unlikely to be the default in CentOS or Ubuntu any time soon.

For the examples in this recipe, ...