Everything is automated today, cloud this and cloud that, but very few people know just how vulnerable everything is behind the scenes, and why being a system administrator is so demanding and difficult. This is also why I care very little for all the hype and buzz, words like “DevOps” and “secure by virtualization” is even a grandeur delusion than the problems described above.
Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian provides more than a pure OS: it comes with over 59000 packages, precompiled software bundled up in a nice format for easy installation on your machine.
From the article.