for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do sudo apt-get remove $pkg; done
sudo apt-get install docker.io
该方法安装的docker是由ubuntu官方维护的docker稳定版而非docker官方发布的最新稳定版,适用于个人使用;如果需要使用Kubernetes/Docker Swarm/多服务器集群等功能,需要使用下方docker官方的安装方法
更新apt包:
sudo apt-get update
安装软件包:
sudo apt-get install ca-certificates curl gnupg
添加docker官方GPG密钥
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
设置docker仓库:
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
jammy stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
再次更新apt包:
sudo apt-get update
安装Docker Engine, CLI, containerd, Buildx和Compose plugin:
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
启动docker
sudo systemctl start docker
验证docker是否已启动
sudo systemctl status docker
测试docker是否安装成功:
sudo docker run hello-world