October 2017
Intermediate to advanced
350 pages
7h 29m
English
Content preview from Mastering Software Testing with JUnit 5
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Docker in a nutshell
Historically, UNIX-style operating systems used the term jail to describe modified isolated runtime environments. The Linux Containers (LXC) project started in 2008 and brought together cgroups, kernel namespaces, or chroot (among others) to provide complete isolation execution. The problem with LXC is the difficulty, and for that reason, the Docker technology emerged.
Docker hides in underlying complexity of the aforementioned resource isolation features of the Linux kernel (cgroups, kernel namespaces, and so on) to allow independent containers to run within a single Linux instance. Docker provides a high-level API, which allows to pack, ship and run any application as a container.
In Docker, a container contains an ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.