安装docker
sudo apt-get install docker.io
创建文件目录
mkdir docker-images
修改本地存储路径
# 查看服务状态 sudo systemctl status docker
● docker.service - Docker Application Container Engine Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2021-05-02 04:56:41 UTC; 11min ago TriggeredBy: ● docker.socket Docs: https://docs.docker.com Main PID: 28511 (dockerd) Tasks: 12 CGroup: /system.slice/docker.service └─28511 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock May 02 04:56:39 ubuntu dockerd[28511]: time="2021-05-02T04:56:39.992738149Z" level=warning msg="Your kernel does not support CPU realtime scheduler" May 02 04:56:39 ubuntu dockerd[28511]: time="2021-05-02T04:56:39.992763389Z" level=warning msg="Your kernel does not support cgroup blkio weight" May 02 04:56:39 ubuntu dockerd[28511]: time="2021-05-02T04:56:39.992787055Z" level=warning msg="Your kernel does not support cgroup blkio weight_device" May 02 04:56:39 ubuntu dockerd[28511]: time="2021-05-02T04:56:39.993370353Z" level=info msg="Loading containers: start." May 02 04:56:40 ubuntu dockerd[28511]: time="2021-05-02T04:56:40.599575280Z" level=info msg="Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip can be used to set a preferred IP address" May 02 04:56:40 ubuntu dockerd[28511]: time="2021-05-02T04:56:40.918501020Z" level=info msg="Loading containers: done." May 02 04:56:41 ubuntu dockerd[28511]: time="2021-05-02T04:56:41.068450159Z" level=info msg="Docker daemon" commit="20.10.2-0ubuntu1~20.04.2" graphdriver(s)=overlay2 version=20.10.2 May 02 04:56:41 ubuntu dockerd[28511]: time="2021-05-02T04:56:41.069034679Z" level=info msg="Daemon has completed initialization" May 02 04:56:41 ubuntu systemd[1]: Started Docker Application Container Engine. May 02 04:56:41 ubuntu dockerd[28511]: time="2021-05-02T04:56:41.210015399Z" level=info msg="API listen on /run/docker.sock" u