Create a docker image (CentOS, Ubuntu) that supports SSH services via Dockerfile

Centos:

mkdir Centos-ssh

Vim Centos-ssh/dockerfile

From CentOS

Maintainer blog.rootr.cn [email protected]

RUN Yum install-y openssh-server

RUN mkdir/var/run/sshd

RUN ssh-keygen-q-T rsa-b 2048-f/etc/ssh/ssh_host_rsa_key-n "&& \

Ssh-keygen-q-T ecdsa-f/etc/ssh/ssh_host_ecdsa_key-n "&& \

Ssh-keygen-t dsa-f/etc/ssh/ssh_host_ed25519_key-n "

RUN echo "root:1234" | chpasswd

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

EXPOSE 22

Docker Build-t centos:ssh/root/centos-ssh/

Docker run-d-P 2222:22 centos:ssh

SSH [email protected]-P 2222

Is you sure want to continue connecting (yes/no)? Yes

[email protected] ' s password:1234

[Email protected] ~]#

Ubuntu:

mkdir Ubuntu-ssh

Vim Ubuntu-ssh/dockerfile

From Ubuntu

Maintainer blog.rootr.cn [email protected]

RUN Apt-get update-y

RUN Apt-get install-y Openssh-server

RUN mkdir/var/run/sshd

RUN echo "root:1234" | chpasswd

#允许root用户以任何认证方式登陆 (User password authentication and public key authentication)

RUN sed-i ' s/prohibit-password/yes/g '/etc/ssh/sshd_config

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

EXPOSE 22

Docker Build-t ubuntu:ssh/root/ubuntu-ssh/

Docker run-d-P 2223:22 ubuntu:ssh

SSH [email protected]-P 2223

Is you sure want to continue connecting (yes/no)? Yes

[email protected] ' s password:1234

[Email protected]:~#

Create a docker image (CentOS, Ubuntu) that supports SSH services via Dockerfile