Ubuntu20.04云服务器-Docker配置

Ubuntu20.04云服务器-Docker配置

1. SSH服务配置

1. 查看是否安装ssh服务

   ssh localhost
   

2. 通过ssh连接云服务器

2. 设置存储库

1. 更新apt包索引

   sudo apt-get update
   

2. 安装软件包以允许apt通过HTTPS使用存储库

   sudo apt-get install ca-certificates curl gnupg
   

3. 添加Docker的官方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
   

4. 使用以下命令设置存储库

   echo \
   "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
   "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
   sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
   

3. Docker Engine安装

1. 更新apt包索引

   sudo apt-get update
   

2. 安装Docker Engine，containerd，和Docker Compose

   sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
   

3. 测试

   sudo docker run hello-world
   

4. 开机自启动

   sudo systemctl start docker
   sudo systemctl enable docker