Install Docker1.8 in Centos7

Install Docker1.8 in Centos7

1. Create a docker yum Library

[Root @ localhost ~] # Cd/etc/yum. repos. d/

[Root@localhostyum.repos.d] # vim docker. repo

[Dockerrepo]

Name = DockerRepository

Base url = https://yum.dockerproject.org/repo/main/centos/7

Enabled = 1

Gpgcheck = 1

Gpgkey = https://yum.dockerproject.org/gpg

(2) install docker

[Root @ localhost ~] # Yum install docker-engine

(3) disable the firewalld service under centos7 and install iptables-ser

[Root @ localhost ~] # Systemctl disable firewalld

Rm '/etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service'

Rm '/etc/systemd/system/basic.tar get. wants/firewalld. Service'

[Root @ localhost ~] # Yum-y install iptables-services

(4) Enable the iptables service

[Root @ localhost ~] # Systemctl enable iptables

Ln-s '/usr/lib/systemd/system/iptables. service'/etc/systemd/system/basic.tar get. wants/iptables. Service'

[Root @ localhost ~] # Systemctl start iptables

(5) Start the docker service and set automatic start upon startup

[Root @ localhost ~] # Systemctl start docker. service

[Root @ localhost ~] # Systemctl enable docker. service

Ln-s '/usr/lib/systemd/system/docker. service'/etc/systemd/system/multi-user.target.wants/docker. Service'

(6) Verify that docker is successfully installed

[Root @ localhost ~] # Docker info

Containers: 0

Images: 0

StorageDriver: devicemapper

Pool Name: docker-253: 1-50332704-pool

Pool Blocksize: 65.54 kB

Backing Filesystem: xfs

Data file:/dev/loop0

Metadata file:/dev/loop1

Data Space Used: 1.821 GB

Data Space Total: 107.4 GB

Data Space Available: 7.413 GB

Metadata Space Used: 1.479 MB

Metadata Space Total: 2.147 GB

Metadata Space Available: 2.146 GB

Udev Sync Supported: true

Deferred Removal Enabled: false

Data loop file:/var/lib/docker/devicemapper/data

Metadata loop file:/var/lib/docker/devicemapper/metadata

Library Version: 1.02.93-RHEL7)

ExecutionDriver: native-0.2

LoggingDriver: json-file

KernelVersion: 3.10.0-229.7.2.el7.x86 _ 64

OperatingSystem: CentOS Linux 7 (Core)

CPUs: 1

TotalMemory: 1.791 GiB

Name: localhost. localdomain

ID: 2EEQ: 3VMI: TIUY: NUHZ: NZMQ: VOD7: YW3K: KZG3: IQZT: XR4Q: G4XJ: TCVM

(8) view the installed docker version

[Root @ localhost ~] # Docker version

Client:

Version: 1.8.2

API version: 1.20

Go version: go1.4.2

Git commit: 0a8c2e3

Built: Thu Sep 10 19:08:45 UTC 2015

OS/Arch: linux/amd64

Server:

Version: 1.8.2

API version: 1.20

Go version: go1.4.2

Git commit: 0a8c2e3

Built: Thu Sep 10 19:08:45 UTC 2015

OS/Arch: linux/amd64