Docker installation application (CentOS 6.5_x64)

Docker installation application (CentOS 6.5_x64)

Docker installation application (CentOS 6.5_x64)

Authoer: jom_ch @ 2014/7/23

Docker official http://www.docker.com/

1. Install EPEL
 
EPEL: https://Fedoraproject.org/wiki/EPEL/zh-cn
 
> Rpm-ivh http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
> Rpm -- import/etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
> Yum-y install yum-priorities
 

2. Install Docker
 
> Yum-y install docker-io
> Service docker start
> Chkconfig docker on
 

3. Apply Docker
 
1. Obtain the Centos Image
> Docker pull centos: latest
 
2. view the image running status
> Docker images centos
 
3. Run shell bash in the container.
> Docker run-I-t centos/bin/bash
 
4. Stop the container.
> Docker stop <container id>
 
5. View container logs
> Docker logs-f <container id>
 
6. Delete all containers
> Docker rm $ (docker ps-a-q)
 
7. delete an image
> Docker rmi <image id/name>
 
8. Submit the changes to the image repository.
> Docker run-I-t centos/bin/bash
> Useradd myuser
> Exit
> Docker ps-a | more
> Docker commit <container id> myuser/centos
 
9. Create and run hello. sh in the container
> Docker run-I-t myuser/centos/bin/bash
> Touch/home/myuser/hello. sh
> Echo "echo \" Hello, World! \ "">/Home/myuser/hello. sh
> Chmod + x/home/myuser/hello. sh
> Exit
> Docker commit <container id> myuser/centos
> Docker run-I-t myuser/centos/bin/sh/home/myuser/hello. sh
 
10. Run Nginx in the container
 
Install Nginx in the container and submit it to the image
> Docker run-t-I-p 80: 80 nginx/centos/bin/bash
Start Nginx
>/Data/apps/nginx/sbin/nginx
(It is not clear how to run in the background !!!)
 
Access the host machine port 80 in the browser.
 
11. Map container ports
> Docker run-d-p 192.168.9.11: 2201: 22 nginx/centos/usr/sbin/sshd-D
 
Connect the container with ssh root@192.168.9.11-p 2201 with the prompt:
 
Connection to 192.168.1.205 closed. (This problem has not been solved !!!)
 

Possible problems:
# An error is reported when the user password is changed in the container:
/Usr/share/cracklib/pw_dict.pwd: No such file or directory
PWOpen: No such file or directory
 
Solution:
Yum-y reinstall cracklib-dicts

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