August 2016
Intermediate to advanced
384 pages
9h 20m
Japanese
Content preview from Docker
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268
12 章 オーケストレーション、クラスタリング、管理
VM
を立ち上げる
Vagrant
のテンプレートを含む
GitHub
のプロジェクトを作成してあります。
$ git clone https://github.com/amouat/fleet-vagrant
...
$ cd fleet-vagrant
$ vagrant up
...
$ vagrant ssh core-01 -- -A
CoreOS alpha (758.1.0)
これで、
CoreOS
が動作する
3
つの
VM
で構成されるクラスタが立ち上がります。このクラス
タには、あらかじめ
Flannel
（「
11.5.3 Flannel
」参照）と
fleet
がインストール済みです。
fleet
の
コマンドラインツールである
fleetctl
を使えば、クラスタ内のマシン群のリストを取ることがで
きます。
core@core-01 ~ $ fleetctl list-machines
MACHINE IP METADATA
16aacf8b... 172.17.8.103 -
39b02496... 172.17.8.102 -
eb570763... 172.17.8.101 -
まず、
DNS
ベースのサービスディスカバリのための
SkyDNS
（「
11.2.2 SkyDNS
」参照）をイン
ストールしましょう。こういった一般的なサービスをクラスタの全ノードにインストールしておく
のは理にかなっているので、これはグローバルなユニットとして定義します。このサービスファイ
ルは ...
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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.