centos安装docker

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rockylinux安装教程

[install on CentOS](Install Docker Engine on CentOS | Docker Documentation)

Uninstall old versions

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sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

Install using the repository

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sudo yum install -y yum-utils
 sudo yum-config-manager \
    --add-repo \
    http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

Install Docker Engine

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sudo yum update
sudo yum install docker-ce docker-ce-cli containerd.io docker-compose-plugin

Start Docker

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sudo systemctl start docker

Uninstall Docker Engine

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sudo yum remove docker-ce docker-ce-cli containerd.io docker-compose-plugin
sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd

/var/lib/docker 为默认工作目录

阿里云镜像加速

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sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://rz9fml8b.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker