3.1 安装
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2023-12-01
安装 Docker (操作系统为CentOS7 64位)
1).采用yum源的方法安装
$ sudo yum install docker
*安装过程中会有多次选择y OR n ,选择y以继续安装
安装成功后,会在最后几行有提示:
Installed:
docker.x86_64 0:1.7.1-108.el7.centos
Dependency Installed:
docker-selinux.x86_64 0:1.7.1-108.el7.centos
Complete!
2).启动Docker服务
$ sudo service docker start
或者
$ sudo systemctl start docker
3).设置开机启动
$ sudo systemctl enable docker
4).检查Docker信息
Docker 版本信息:
$ sudo docker version
Client version: 1.7.1
Client API version: 1.19
Package Version (client): docker-1.7.1-108.el7.centos.x86_64
Go version (client): go1.4.2
Git commit (client): 3043001/1.7.1
OS/Arch (client): linux/amd64
Server version: 1.7.1
Server API version: 1.19
Package Version (server): docker-1.7.1-108.el7.centos.x86_64
Go version (server): go1.4.2
Git commit (server): 3043001/1.7.1
OS/Arch (server): linux/amd64
$...
查看系统(Docker)层面信息,包括管理的images, containers数:
$ sudo docker info
Containers: 0
Images: 0
Storage Driver: devicemapper
Pool Name: docker-8:3-28326-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: xfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 307.2 MB
Data Space Total: 107.4 GB
Data Space Available: 45.61 GB
Metadata Space Used: 729.1 kB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.147 GB
Udev Sync Supported: true
Deferred Removal Enabled: false
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.93-RHEL7 (2015-01-28)
Execution Driver: native-0.2
Logging Driver: json-file
Kernel Version: 3.10.0-229.el7.x86_64
Operating System: CentOS Linux 7 (Core)
CPUs: 2
Total Memory: 1.466 GiB
Name: localhost.localdomain
ID: PRVB:3SDE:YL4E:JT5P:5BIR:BUC5:PHXI:HG4B:P753:Y2BI:U7OU:YPGC
$...
至此 Docker 在CentOS下安装步骤就完成了!