Using Dockerfile to create an SSH remote-enabled mirror

1. Create related catalogue

[[Email protected]~]# mkdir/docker/sshd–p

2. Write Dockerfile

[Email protected]]# vim Dockerfile

# This is a dockerfile

# Version 1

# by Kevin

# Base Image

From CentOS

# maintainer

Maintainer Kevin kevinhao.blog.51cto.com

# Commands

# Install and Configure sshd

RUN Yum Install-yopenssh-server

RUN sed-i ' s/usepam yes/usepam no/g '/etc/ssh/sshd_config

# ADD The user Kevin and set it ' s password for Kevin

RUN useradd Kevin

RUN echo "Kevin:kevin" |chpasswd

RUN echo "Kevin All= (All) all" >>/etc/sudoers

# Generate a KeyPair

RUN ssh-keygen-tdsa-f/etc/ssh/ssh_host_dsa_key

RUN ssh-keygen-trsa-f/etc/ssh/ssh_host_rsa_key

#Star the SSHD service and expose the port 22

RUN mkdir/var/run/sshd

EXPOSE 22

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

[[Email protected]]# CD]

3. Create image

[Email protected]~]# Docker build-t kevin/sshd/docker/sshd/

4. View image

[Email protected]~]# Docker Images|grep sshd

KEVIN/SSHD latest d0b5016b8463 7 minutes ago 259.1 MB

5. Start test

[Email protected]~]# Docker run--name sshdtest-d-P kevin/sshd

6. SSH Remote

6.1. View Port Mappings

[[Email protected]~]# Docker PS

container id         image               command               CREATED              status               ports                    NAMES

DA430C0D9F1B kevin/sshd "/usr/sbin/sshd-d" seconds ago up Notoginseng seconds 0.0.0.0:32769->22/tcp s Shdtest

6.2 Telnet using SSH

[Email protected]~]# ssh [email protected]-p32769

The authenticity of host ' [192.168.56.3]:32769 ([192.168.56.3]:32769) ' can ' t be established.

RSA key Fingerprintis d4:52:73:db:4c:85:ff:d5:6a:78:23:ff:52:67:01:2f.

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

Warning:permanently added ' [192.168.56.3]:32769 ' (RSA) to the list of known hosts.

[Email protected] ' Spassword:

[Email protected]da430c0d9f1b~]$ pwd

/home/kevin

Success SSH Remote to Container

[Email protected]~]$ exit

Logout

Connection to192.168.56.3 closed.

You can also use SSH [email protected]<container_ip>

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This article is from the "Night Passers-by" blog, please be sure to keep this source http://kevinhao.blog.51cto.com/5204735/1732782

Using Dockerfile to create an SSH remote-enabled mirror