需求
安裝docker運行環境
準備條件
- 一臺VPS（本文使用阿里云香港 - centos7.7）
- 一臺能SSH連接到VPS的本地電腦 （推薦連接工具xshell）
安裝步驟
安裝docker
curl -fsSL https://get.docker.com -o get-docker.sh
sh get-docker.sh --mirror Aliyun
配置docker訪問加速
tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": [
"https://ze9vyrof.mirror.aliyuncs.com",
"https://registry.docker-cn.com",
"http://f1361db2.m.daocloud.io",
"https://docker.mirrors.ustc.edu.cn"
]
}
EOF
創建用戶并加入docker組
useradd -g docker docker
usermod -aG docker docker
加入開啟啟動、啟動docker應用
systemctl enable docker
systemctl start docker
測驗 Docker 是否安裝正確
docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
0e03bdcc26d7: Pulling fs layer
latest: Pulling from library/hello-world
0e03bdcc26d7: Pull complete
Digest: sha256:8e3114318a995a1ee497790535e7b88365222a21771ae7e53687ad76563e8e76
Status: Downloaded newer image for hello-world:latest
Hello from Docker!
This message shows that your installation appears to be working correctly.
To generate this message, Docker took the following steps:
1. The Docker client contacted the Docker daemon.
2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
(amd64)
3. The Docker daemon created a new container from that image which runs the
executable that produces the output you are currently reading.
4. The Docker daemon streamed that output to the Docker client, which sent it
to your terminal.
To try something more ambitious, you can run an Ubuntu container with:
$ docker run -it ubuntu bash
Share images, automate workflows, and more with a free Docker ID:
https://hub.docker.com/
For more examples and ideas, visit:
https://docs.docker.com/get-started/
參考文獻
https://docs.docker.com/engine/install/centos/
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