Error response from daemon: client is newer than server (client API version: 1.23, server API version: 1.22)
Dockerに関するエラー:
$ docker ps Error response from daemon: client is newer than server (client API version: 1.23, server API version: 1.22)
Machineの更新が必要なので、次のコマンドを打つ:
$ docker-machine upgrade [machine名]
再度チャレンジ:
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
大丈夫そう。