Install Docker Engine on Ubuntu | Docker Docs
比较方便的安装方式为通过 Apt Repo 来安装，需要三大步：
1. 预备仓库信息：
逐行执行一下命令
# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl gnupg
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
# Add the repository to Apt sources:
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
sudo apt-get update2. 安装Docker Engine
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-pluginsudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
3. 下载 docker image
sudo docker pull ubuntusudo docker pull socalucr/gpgpu-sim3. 测试文章来源：https://www.toymoban.com/news/detail-706012.html
sudo docker run --name=ubuntu_hello2 -it ubuntu:latest /bin/bashexit 退出文章来源地址https://www.toymoban.com/news/detail-706012.html
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