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Mac でのDocker docker-machineのトラブルまとめ

Last updated at Posted at 2015-08-28

環境

2015年8月28日時点

  • Mac OS X: 10.10.5
  • Docker: 1.8.1
  • VirtualBox: 5.0.3

トラブル1: インストールがうまくいかない

VirtualBox 5.0.0-5.0.2辺りの不具合で起きるインストールがうまくいかない問題

トラブル2: default is not running.

以下のメッセージが出る。VMが動作してない。

default is not running. Please start this with docker-machine start default

対策: VMをスタートさせる

docker-machine start default

トラブル3: re-run the docker-machine env command.

メッセージ内容

Started machines may have new IP addresses. You may need to re-run the docker-machine env command.

対策

eval $(docker-machine env default)

トラブル4: An error occurred trying to connect

メッセージ内容

$ docker run -it ubuntu bash
An error occurred trying to connect: Post https://192.168.99.101:2376/v1.20/containers/create: dial tcp 192.168.99.101:2376: i/o timeout

多分、VMが開始されてないか、環境設定されてないか。

参考: problem with docker - Ask Ubuntu

うまくいくと以下のように表示される

$ docker run -it ubuntu:14.04 /bin/bash
Unable to find image 'ubuntu:14.04' locally
14.04: Pulling from library/ubuntu
d3a1f33e8a5a: Pull complete
c22013c84729: Pull complete
d74508fb6632: Pull complete
91e54dfb1179: Already exists
library/ubuntu:14.04: The image you are pulling has been verified. Important: image verification is a tech preview feature and should not be relied on to provide security.
Digest: sha256:7a846cdca616c384ac1c5e3a91d0ea22c89

トラブル5: config.json: no such file or directory

メッセージ

$ docker-machine status
unable to load host: open /Users/user/.docker/machine/machines/config.json: no such file or directory

対策: VM名を指定する

$ docker-machine status default

参考

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