atxiaoming/ssh-ubuntu repository overview

FROM ubuntu:20.04

# 替换镜像
# ADD sources.list /etc/apt/sources.list.d/aliyun.list

# 更新
RUN apt-get update

# 安装ssh服务
RUN apt-get install -y openssh-server
RUN apt-get install -y python2.7

RUN apt-get install -y net-tools bash-completion
RUN apt-get install -y iputils-ping
RUN apt-get install -y tree
RUN apt-get install -y bridge-utils
RUN apt-get install -y vim

RUN mkdir -p /var/run/sshd
RUN mkdir -p /root/.ssh/

# 修改root密码，便于远程登录
RUN echo root:123456 | chpasswd

# 将key生成在指定文件内
RUN rm -fr /etc/ssh/ssh_host_rsa_key
RUN ssh-keygen -q -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -P '' -N ''

# 配置ssh可以使用root登陆
RUN sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config

# 时区 
RUN rm -fr /etc/localtime && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' >/etc/timezone

# 开放22端口
EXPOSE 22

ENTRYPOINT [ "/usr/sbin/init"]

REPOSITORY               TAG       IMAGE ID       CREATED          SIZE
ssh-ubuntu               20.04     5fdf944573df   33 seconds ago   284MB

CONTAINER ID   IMAGE                           COMMAND            CREATED         STATUS         PORTS                                                                                            NAMES
c220e8a272b7   ssh-ubuntu:20.04                "/usr/sbin/init"   5 seconds ago   Up 4 seconds   0.0.0.0:222->22/tcp, :::222->22/tcp                                                              ssh-ubuntu 

tmp ansible_ssh_host=ud1  ansible_ssh_port=222  ansible_ssh_pass='123456'

[target]
tmp