vagrant@vagrant-ubuntu-trusty-64:~$ docker attach –sig-proxy=false 345
WARNING: Error loading config file: /home/vagrant/.docker/config.json: stat /home/vagrant/.docker/config.json: permission denied
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.38/containers/345/json: dial unix /var/run/docker.sock: connect: permission denied
vagrant@vagrant-ubuntu-trusty-64:~$ sudo docker attach –sig-proxy=false 345
total used free shared buff/cache available
Mem: 501708 164064 44344 428 293300 316495
Swap: 0 0 0
total used free shared buff/cache available
Mem: 501708 164064 44344 428 293300 316499
Swap: 0 0 0
コンテナの中に入る
vagrant@vagrant-ubuntu-trusty-64:~$ sudo docker run -i -t centos /bin/bash
[root@8f60db713564 /]#
