安装依赖

yum install -y yum-utils device-mapper-persistent-data lvm2

更换阿里云源

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

Docker安装

yum install -y docker-ce docker-ce-cli containerd.io

如果出现：

Package containerd.io-1.2.0-3.el7.x86_64 is already installed.
Error: Problem: package docker-ce-3:19.03.13-3.el7.x86_64 requires containerd.io >= 1.2.2-3, but none of the providers can be installed- cannot install the best candidate for the job- package containerd.io-1.2.10-3.2.el7.x86_64 is filtered out by modular filtering- package containerd.io-1.2.13-3.1.el7.x86_64 is filtered out by modular filtering- package containerd.io-1.2.13-3.2.el7.x86_64 is filtered out by modular filtering- package containerd.io-1.2.2-3.3.el7.x86_64 is filtered out by modular filtering- package containerd.io-1.2.2-3.el7.x86_64 is filtered out by modular filtering- package containerd.io-1.2.4-3.1.el7.x86_64 is filtered out by modular filtering- package containerd.io-1.2.5-3.1.el7.x86_64 is filtered out by modular filtering- package containerd.io-1.2.6-3.3.el7.x86_64 is filtered out by modular filtering- package containerd.io-1.3.7-3.1.el7.x86_64 is filtered out by modular filtering
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)

那么执行下面指令更新依赖即可：

yum install -y https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm

启动并验证Docker

启动docker

systemctl start docker

运行HelloWorld

docker run hello-world

看到以下内容就等于安装成功了：

Hello from Docker!
This message shows that your installation appears to be working correctly.To generate this message, Docker took the following steps:1. The Docker client contacted the Docker daemon.2. The Docker daemon pulled the "hello-world" image from the Docker Hub.(amd64)3. The Docker daemon created a new container from that image which runs theexecutable that produces the output you are currently reading.4. The Docker daemon streamed that output to the Docker client, which sent itto your terminal.To try something more ambitious, you can run an Ubuntu container with:$ docker run -it ubuntu bashShare images, automate workflows, and more with a free Docker ID:https://hub.docker.com/For more examples and ideas, visit:https://docs.docker.com/get-started/

使用阿里云Docker仓库

进入阿里云容器镜像服务：
https://cr.console.aliyun.com/cn-beijing/instances/mirrors

配置镜像加速器
针对Docker客户端版本大于 1.10.0 的用户

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{"registry-mirrors": ["https://xxxxxxxx.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

xxxxxx位置替换为自己阿里云镜像地址即可。

设置服务自启动

systemctl enable docker.service

安装Docker-compose

下载Docker-compose

curl -L "https://github.com/docker/compose/releases/download/1.25.5/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

文件路径赋权限

chmod +x /usr/local/bin/docker-compose

命令

ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose

查看docker-compose版本，能查到说明安装成功

docker-compose --version

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【Docker】安装Docker以及配置阿里云Docker镜像仓库

安装依赖

更换阿里云源

Docker安装

启动并验证Docker

使用阿里云Docker仓库

安装Docker-compose

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