- 编写Dockerfile
FROM centos:7
MAINTAINER damonyu
RUN yum install -y wget
RUN mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup.3
RUN wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos7_base.repo
RUN yum clean all && yum makecache
RUN yum install -y openssh-server openssh-clients vim iproute2 sudo && alias ll="ls -alh"
RUN sed -i 's/UsePAM yes/UsePAM no/g' /etc/ssh/sshd_config
RUN echo "root:root" | chpasswd
RUN echo "root ALL=(ALL) ALL" >> /etc/sudoers
RUN ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
RUN mkdir /var/run/sshd
EXPOSE 22
CMD ["/usr/sbin/sshd", "-D"]
- 建立镜像 my-centos7
docker build -t "my-centos7" .
