August 2017
Intermediate to advanced
332 pages
9h 16m
English
Content preview from Continuous Delivery with Docker and Jenkins
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Multiple manager nodes
Having a single manager node is risky because when the manager machine is down, the whole cluster is down. This situation is, obviously, not acceptable in the case of business-critical systems. In this section, we present how to manage multiple master nodes.
In order to add a new manager node to the system, we need to first execute the following command on the (currently single) manager node:
$ docker swarm join-token managerTo add a manager to this swarm, run the following command:docker swarm join \--token SWMTKN-1-5blnptt38eh9d3s8lk8po3069vbjmz7k7r3falkm20y9v9hefx-a4v5olovq9mnvy7v8ppp63r23 \192.168.0.143:2377
The output shows the token and the entire command that needs to be executed on the machine that is supposed ...
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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.