title: jenkins container without root authority
body: <p>I run a docker container by </p>
  
  <blockquote>
    <p>[root@compute maven]# docker run -d -p 8083:8080 --name jenkins -v /usr/bin/docker:/usr/bin/docker -v /var/run/docker.sock:/var/run/docker.sock -v /root/maven-tar/:/root  csphere/jenkins:1.609 
    e40f704478e5e37ee3f214a1469f5851a78c324099610a12e79238b8599e194a</p>
  </blockquote>
  
  <p>Then I get into the container by "docker exec"</p>
  
  <blockquote>
    <p>[root@compute maven]# docker exec -it jenkins /bin/bash </p>
    
    <p>jenkins@e40f704478e5:</p>
  </blockquote>
  
  <p>I try run "docker ps",it showes this</p>
  
  <blockquote>
    <p>jenkins@e40f704478e5:/$ docker ps</p>
    
    <p>/usr/bin/docker: 2: .: Can't open /etc/sysconfig/docker</p>
  </blockquote>