November 2018
Beginner
230 pages
6h 4m
English
Content preview from Docker Quick Start Guide
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docker swarm unlock
You may recall from the discussion regarding the docker swarm init command that one of the optional parameters that you can include with the init command is --autolock. Using this parameter will enable the autolock feature on the swarm cluster. What does that mean? Well, when a swarm cluster is configured to use auto-locking, any time the docker daemon of a manager node goes offline, and then comes back online (that is, is restarted) it is necessary to enter an unlock key to allow the node to rejoin the swarm. Why would you use the auto-lock feature to lock your swarm? The auto-lock feature helps to protect the mutual TLS encryption key of the swarm, along with the encrypt and decrypt keys used with the swarm's raft logs. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.