[docker] Build up Linux kernel research environment by using docker/qemu

Download

    $ git clone https://github.com/tinyclub/cloud-lab.git
    $ cd cloud-lab && tools/docker/choose linux-lab

Install

    $ tools/docker/pull        # Pull from docker hub
    or
    $ tools/docker/build       # Build from source

Run

    $ tools/docker/run        # Start to run

[Happy@localhost cloud-lab]$ sudo tools/docker/rm
[sudo] password for Happy: 
LOG: Current Lab is linux-lab
LOG: Running ' docker rm -f linux-lab-27586 '
linux-lab-27586
[Happy@localhost cloud-lab]$ sudo tools/docker/run
LOG: Current Lab is linux-lab
LOG: Wait for lab launching...
LOG: Container ID: 89fadc31d6ae Container Name: linux-lab-28086
LOG: User: ubuntu Password: e9nU1doA7nhtsUA VNC Password: 1tC2ya4RCMRrXXA
LOG: Current Lab is linux-lab
LOG: No chromium-browser found, use firefox instead.
Please login http://localhost:6080/vnc.html?token=2dcb0b51f6f2a6a6800bc33a93dfc210&password=1tC2ya4RCMRrXXA&autoconnect=0&encrypt=0

Connect to Docker by ssh

ssh 172.17.0.3 -l ubuntu

Connect to simulation board

    $ cd /labs/linux-lab
    $ make boot

Get Source Code

    $ make source -j3             # Download linux-stable, qemu 和 buildroot

Reference:

• 基于 Docker/Qemu 快速构建 Linux 内核实验环境

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[Docker][ssh] Install sshd in docker container of Archlinux

Server :
Install openssh
sudo pacman -S openssh

vim /etc/ssh/sshd_config
UsePAM yes  --> UsePAM no

/usr/bin/ssh-keygen -A

/usr/sbin/sshd -D

Reference:

• Cant ssh, connection terminates immediately with exit status 254
• [SOLVED] SSH: Could not load host key: /etc/ssh/ssh_host_rsa_key

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[docker][ubuntu][Archlinux] Install docker and use it

[Ubuntu - Install]
Install docker
sudo apt-get update
sudo apt-get install -y docker.io
sudo ln -sf /usr/bin/docker.io /usr/local/bin/docker

[Archlinux - Install]
pacman -S docker

Start docker
sudo docker -d &
or
systemctl enable docker
systemctl start docker

Get image - ubuntu
sudo docker pull ubuntu:12.04

Pulling repository ubuntu
120acb8ad8a3: Download complete 
511136ea3c5a: Download complete 
8439f4034ca8: Download complete 
320de3ddbeb5: Download complete 
67fcff2588cb: Download complete 
45753d623bcc: Download complete 
5daddf45eeaf: Download complete 

Get image - Archlinux
sudo docker pull base/archlinux

Use ubuntu:12.04 : login into ubuntu:12.04 as root
sudo docker run -ti ubuntu:12.04 /bin/bash

Use base/archlinux : login into base/archlinux as root
sudo docker run -ti base/archlinux /bin/bash
or
sudo docker run -ti <IMAGE ID> /bin/bash

Show docker image
sudo docker images

Save image
sudo docker save -o ubuntu_14.04.tar ubuntu:14.04

Load image
sudo docker load < ubuntu_14.04.tar

rm image
sudo docker rmi ubuntu:14.04

---

docker commit

Show docker container

sudo docker images

Run docker container

sudo docker run -ti arch-net-tools

Open another terminal
Show container ID

sudo docker ps

Save the status of docker

sudo docker commit -m 'archlinux net-tools' 431bb00c701d archlinux-net-tools
docker commit  -m 'Description' 'contain ID' REPOSITORY[:TAG]

Show docker container will get more image

sudo docker images

---

docker commit history

Show docker container ID

sudo docker images

Show docker specfic "Image ID" commit history

sudo docker history 734b3d2cf350

---

detatch container

To detach the tty without exiting the shell, use the escape sequence

Ctrl+p + Ctrl+q.

---

ToDo
[Docker][ssh] Install sshd in docker container of Archlinux

Reference:

• Docker Document
• Arch Linux
• Docker Official Repositories
• [Linux] 初次使用 Docker 筆記 @ Ubuntu 14.04
• Docker Cheat Sheet with examples
• How do you attach and detach from Docker's process?
• Docker 笔记 By 枯木
• Docker 初探，實驗室中的運貨鯨

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