Docker安装和配置
移除以前docker相关包
sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine
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
安装docker
sudo yum install -y docker-ce docker-ce-cli containerd.io
配置加速(可以理解为类似于Maven的阿里仓库,用于加速镜像的下载速度)
#创建目录
sudo mkdir -p /etc/docker
#配置镜像
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
启动
sudo systemctl daemon-reload
sudo systemctl restart docker