Shulou(Shulou.com)06/01 Report--

Today, I will talk to you about how to use Dockerfile to build CentOS that supports SSH and other services. Many people may not know much about it. In order to make you understand better, the editor has summarized the following for you. I hope you can get something from this article.

FROM centos

MAINTAINER Arvin.Cao

RUN yum install-- nogpgcheck-y vim openssh openssh-client openssh-server wget curl

RUN mkdir / var/run/sshd

RUN ssh-keygen-Q-b 1024-N'- t rsa-f / etc/ssh/ssh_host_rsa_key & &\

Ssh-keygen-Q-b 1024-N'- t dsa-f / etc/ssh/ssh_host_dsa_key & &\

Ssh-keygen-Q-b 521-N'- t ecdsa-f / etc/ssh/ssh_host_ecdsa_key & &\

Ssh-keygen-Q-b 521-N'- t ed25519-f / etc/ssh/ssh_host_ed25519_key

RUN sed-I\

-e's / ^ # *\ (PermitRootLogin\). * /\ 1 yes/'\

-e's / ^ # *\ (PasswordAuthentication\). * /\ 1 yes/'\

-e's / ^ # *\ (PermitEmptyPasswords\). * /\ 1 yes/'\

-e's / ^ # *\ (UsePAM\). * /\ 1 no/'\

/ etc/ssh/sshd_config

RUN echo 'root: your password' | chpasswd

EXPOSE 22

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

After reading the above, do you have any further understanding of how to use Dockerfile to build CentOS that supports services such as SSH? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.

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