Dockerfile创建镜像

cat /root/centos-ssh/Dockerfile 

FROM centos:centos6.6　　　　　　　　　　　　　　

MAINTAINER syw "691975213@qq.com"　　　　　　 
RUN yum -y install openssh-server;yum clean all
RUN mkdir /var/run/sshd
RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
RUN ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
RUN /bin/echo 'root:123456'|chpasswd
RUN /bin/sed -i 's/.*session.*required.*pam_loginuid.so.*/session optional pam_loginuid.so/g' /etc/pam.d/sshd
RUN /bin/echo -e "LANG=\"en_US.UTF-8\"" > /etc/default/local
EXPOSE 22

CMD /usr/sbin/sshd -D

docker build -t centos6 /root/centos-ssh/

docker images

docker run -t -i centos6  /bin/bash

docker ps -a

docker start cc41a364a6f8

docker exec -it tender_lamarr /bin/bash