August 2018
Intermediate to advanced
352 pages
12h 30m
English
Content preview from Docker Cookbook - Second Edition
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Introduction
Docker containers, actually, are not Sandbox applications, which means they are not recommended to run random applications on the system as root with Docker. You should always treat a container running a service/process as a service/process running on the host system, and put all the security measures inside the container you put on the host system.
We saw in Chapter 1, Introduction and Installation, how Docker uses namespaces for isolation. The six namespaces that Docker uses are Process, Network, Mount, Hostname, Shared Memory, and User. Not everything in Linux is namespaced, for example, SELinux, Cgroups, Devices (/dev/mem, /dev/sd*), and Kernel Modules. Filesystems under /sys, /proc/sys, /proc/sysrq-trigger, /proc/irq
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.