docker--Installation of PAAs architecture

1. Overview

This document describes the installation of Docker

Reference Official Document: https://docs.docker.com/engine/installation/linux/ubuntulinux/

Install the operating system:

Ubuntu 14.04

2. Detection Prerequisites

• Make sure Ubuntu version >=3.8

• Make sure to install Device-mapper

　　

3. Other parameter Optimization 3.1. Create a Docker user group and join the current user to the user group

sudo usermod-ag docker ubuntu

3.2. Modify the memory and account exchange mechanism

Modify the file/etc/default/grub

Set property value grub_cmdline_linux= "Cgroup_enable=memory swapaccount=1"

Update sudo update-grub

Restart reboot

3.3. Turn on the UFW function

Modified file:/etc/default/UFW

sudo nano/etc/default/UFW

Default_forward_policy= "ACCEPT"

Restart UFW function

sudo ufw reload

Allow connection to Docker port

　　sudo ufw allow 2375/tcp

4. Installing Docker

• Get Apt-key

sudo apt-get install Apt-transport-https ca-certificates

sudo apt-key adv--keyserver hkp://p80.pool.sks-keyservers.net:80--recv-keys 58118e89f3a912897c070adbf76221572c52609d

• Create apt Warehouse file/etc/apt/sources.list.d/docker.list

Content: Deb Https://apt.dockerproject.org/repo ubuntu-trusty Main

• Delete old Docker

sudo apt-get purge Lxc-docker

• Update APT Warehouse

sudo apt-get update

• Make sure the docker-engine is valid

sudo apt-cache policy docker-engine

• Install dependent packages

sudo apt-get update

sudo apt-get install linux-image-extra-$ (uname-r)

Ubuntu 14.04 or 12.04 needs to be installedapparmor

　　apt-get install apparmor

 

• 安装docker

sudo apt-get update

sudo apt-get install Docker-engine

• Open Docker Backend Daemon

sudo service docker start

• Verify that Docker is installed successfully

sudo Docker run Hello-world

• Make sure Docker is ready

Sudo Docker Info:

　　

docker--Installation of PAAs architecture