docker dockerfile 制作 ssh

FROM centos:centos
MAINTAINER CentOS ssh

RUN yum -y update; yum clean all
RUN yum -y install openssh-server openssh-clients passwd vim; yum clean all
RUN mkdir /var/run/sshd

RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ''
RUN ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N ''

RUN echo "root:root123456" | chpasswd
RUN useradd admin;echo -e "root12356" | passwd --stdin admin

#EXPOSE 22
RUN sed -ri 's/UsePAM yes/#UsePAM yes/g' /etc/ssh/sshd_config
RUN sed -ri 's/#UsePAM no/UsePAM no/g' /etc/ssh/sshd_config
RUN sed -ri 's/GSSAPIAuthentication yes/#GSSAPIAuthentication yes/g' /etc/ssh/sshd_config
RUN sed -ri 's/#GSSAPIAuthentication no/GSSAPIAuthentication no/g' /etc/ssh/sshd_config
RUN sed -ri 's/#UseDNS yes/#UseDNS yes\nUseDNS no/g' /etc/ssh/sshd_config

ENTRYPOINT ["/usr/sbin/sshd", "-D"]