Ubuntu Installation SSH Service

Description: IP 192.168.1.185 ubuntu-docker 14.04

1 , installing Docker

[Email protected]:~$ sudo apt-get install Docker.io installing Docker

[Email protected]:~$ service Docker Status View Docker boot status

[Email protected]:~$ sudo docker version to view the Docker release number

[Email protected]:~$ sudo docker pull bobsha/ping download container: Ubuntu image Address

[Email protected]:~$ sudo docker pull nginx download Nginx image

Docker installs and uses operating systems such as BusyBox, Ubantu, and CentOS.

2 , take Ubuntu image as an example

Ubantu mirrors a lot, using the "-S" parameter, search only those images that have been hidden more than 10 times

[Email protected]:~/apache_ubuntu$ sudo docker search-s ubuntu

[Email protected]:~/apache_ubuntu$ sudo docker pull ubuntu Download official referral source

[email protected]:~$ sudo docker images view image

REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE

Ubuntu latest 08881219DA4A 3 weeks ago 129 MB

bobsha/ping latest f836a9b345e5 months ago 139.5 MB

[Email protected]:~$ sudo docker run-it ubuntu/bin/bash

[Email protected]:/# uname-v View OS version

#40 ~14.04.1-ubuntu SMP Thu Jan 17:43:14 UTC 2015

Installing the Software

[Email protected]:/# apt-get Update Docker official image default compact, updated to download software

[Email protected]:/# apt-get Install Curl Installation Curl

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3 , creating an image that supports SSH services

a , change the image name

[email protected]:~$ sudo docker images

REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE

Ubuntu latest 08881219DA4A 3 weeks ago 129 MB

[email protected]:~$ sudo docker tag ubuntu ubuntu:14.04

[email protected]:~$ sudo docker images

REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE

Ubuntu latest 08881219DA4A 3 weeks ago 129 MB

Ubuntu 14.04 08881219da4a 3 weeks ago 129 MB

Recommended use of Domestic 163 source address:/etc/apt/sources.list

The default is no netstat, ifconfig, because the image is missing net-tools this package

The default is no VI, VIM, because the image is missing vim this package

b , installing the sshd component

[Email protected]:/# apt-get Install openssh-server installation

[Email protected]:/# mkdir-p/var/run/sshd Create startup directory

[Email protected]:/#/usr/sbin/sshd-d & Startup

Proto refcnt Flags Type State i-node pid/program name Path

[Email protected]:/# NETSTAT-LNP View 22 port

Modify SSH Secure login configuration: Comment out

[Email protected]:/# sed-ri ' s/session required pam_env.so/#session required pam_env.so/g '/etc/pam.d/sshd

Generate secret Key

[Email protected]:/# mkdir root/.ssh create secret key directory

[Email protected]:/# ssh-keygen-t RSA generated key

[Email protected]:/# cat/root/.ssh/id_rsa.pub >/root/.ssh/authorized_keys Copy to Local

Create an SSH server startup script

[Email protected]:/# cat run.sh

#!/bin/bash

/usr/sbin/sshd-d

[Email protected]:/# chmod +x run.sh

Create, use mirroring

[Email protected]:~$ sudo docker commit d00 Sshd:ubuntu created

[sudo] password for sunny:

38696e3ed6fecfb1040932e2a1f0f394d1c2f4e6bff4df0a941853efd7172be4

[Email protected]:~$ sudo docker run-p 10022:22-d sshd:ubuntu/run.sh use

[Email protected]:~$ NETSTAT-LNP View Port

Proto recv-q send-q Local address Foreign address State Pid/program Name

TCP6 0 0::: 10022:::* LISTEN-

C , remote connections need to copy the remote host public key to the container

C.1 You can create a container again

[Email protected]:~$ sudo docker run-p 10023:22-d sshd:ubuntu/run.sh

Fb6b8bd82fda5a39c394708e80393faf5acd4a6dc61b8fddc1a22aeb40d04bb7

[Email protected]:~$ sudo docker exec-it fb6/bin/bash

[Email protected]:/# ssh [email protected]-P 10022

Welcome to Ubuntu 16.04.1 LTS (gnu/linux 3.16.0-30-generic x86_64)

* documentation:https://help.ubuntu.com

* management:https://landscape.canonical.com

* Support:https://ubuntu.com/advantage

Last Login:thu Jan 11:29:27 from 172.17.42.1

[Email protected]:~#

Login successful.

C.2 Remote Host Login

[email protected]. ssh]# ssh [email protected]-P 10022 Remote host Login

Welcome to Ubuntu 16.04.1 LTS (gnu/linux 3.16.0-30-generic x86_64)

* documentation:https://help.ubuntu.com

* management:https://landscape.canonical.com

* Support:https://ubuntu.com/advantage

Last Login:thu Jan 13:42:46 from 192.168.1.176

[Email protected]:~#

Ubuntu Installation SSH Service