安裝
1、centos下安裝docker
其他系統參照如下文檔
https://docs.docker.com/engine/install/centos/
1、移除以前docker相關包
sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine
2、配置yum源
sudo yum install -y yum-utils sudo yum-config-manager \ --add-repo \ http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
3、安裝docker
sudo yum install -y docker-ce docker-ce-cli containerd.io #以下是在安裝k8s的時候使用 yum install -y docker-ce-20.10.7 docker-ce-cli-20.10.7 containerd.io-1.4.6
4、啓動
systemctl enable docker --now
5、配置加速(可以理解爲類似於Maven的阿里倉庫,用於加速鏡像的下載速度)
sudo mkdir -p /etc/docker sudo tee /etc/docker/daemon.json <<-'EOF' { "registry-mirrors": ["https://82m9ar63.mirror.aliyuncs.com"], "exec-opts": ["native.cgroupdriver=systemd"], "log-driver": "json-file", "log-opts": { "max-size": "100m" }, "storage-driver": "overlay2" } EOF sudo systemctl daemon-reload sudo systemctl restart docker