December 2018
Beginner
826 pages
22h 54m
English
Content preview from Linux Administration Cookbook
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How to do it...
In our container steps, we looked briefly at the fact that the kernel that was being run was the same on the host VM as it was inside the container.
For this step, we're going to run the same command on both of our VMs and compare the output:
$ uname -aLinux ubuntu-bionic 4.15.0-36-generic #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux$ uname -aLinux localhost.localdomain 3.10.0-862.2.3.el7.x86_64 #1 SMP Wed May 9 18:05:47 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Our Ubuntu box is running kernel 4.15.0, and our CentOS box, version 3.10.0.
Therein is the first advantage of containers, which are able to run completely different versions of the Linux kernel.
The second advantage in this vein is the ...
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