centos7安装docker
在cenos7上安装docker和docker-compose
1. 安装docker
确认内核版本符合要求(docker官方说至少3.8以上,建议3.10以上)
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3[root@zmr-service ~]# uname -a
Linux zmr-service 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
[root@zmr-service ~]#安装需要的软件包
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3[root@zmr-service ~]# yum install -y yum-utils device-mapper-persistent-data lvm2
yum-util 提供yum-config-manager功能,另外两个是devicemapper驱动依赖的设置docker安装的yum源
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2阿里仓库
[root@zmr-service ~]# yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo查看所有仓库中所有docker版本
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11[root@localhost ~]# yum list docker-ce --showduplicates | sort -r
已加载插件:fastestmirror
可安装的软件包
* updates: mirrors.cn99.com
Loading mirror speeds from cached hostfile
* extras: mirrors.aliyun.com
docker-ce.x86_64 3:19.03.2-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.1-3.el7
... ...安装Docker,
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3[root@localhost ~]# yum install docker-ce -y
表示直接安装最新的docker验证安装是否成功
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30[root@zmr-service ~]# docker version
Client: Docker Engine - Community
Version: 23.0.3
API version: 1.42
Go version: go1.19.7
Git commit: 3e7cbfd
Built: Tue Apr 4 22:04:18 2023
OS/Arch: linux/amd64
Context: default
Server: Docker Engine - Community
Engine:
Version: 23.0.3
API version: 1.42 (minimum version 1.12)
Go version: go1.19.7
Git commit: 59118bf
Built: Tue Apr 4 22:02:01 2023
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.6.20
GitCommit: 2806fc1057397dbaeefbea0e4e17bddfbd388f38
runc:
Version: 1.1.5
GitCommit: v1.1.5-0-gf19387a
docker-init:
Version: 0.19.0
GitCommit: de40ad0启动并加入开机启动
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2[root@localhost ~]# systemctl start docker
[root@localhost ~]# systemctl enable docker
2.安装docker-compose
下载最新版本的 docker-compose 到 /usr/bin 目录下
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4curl -L https://github.com/docker/compose/releases/download/1.23.2/docker-compose-`uname -s`-`uname -m` -o /usr/bin/docker-compose
chmod +x /usr/bin/docker-compose给 docker-compose 授权
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chmod +x /usr/local/bin/docker-compose
检查docker compose版本
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2[root@zmr-service ~]# docker-compose -v
docker-compose version 1.25.0, build 0a186604