docker info 命令用于显示 Docker 系统的详细信息,包括 Docker 版本、存储驱动、镜像数量、容器数量以及其他重要的配置信息。
docker info 命令非常有用,可以帮助用户了解 Docker 环境的总体状态。
语法
docker info [OPTIONS]
实例
查看docker系统信息。
$ docker info Client: Context: default Debug Mode: false Plugins: buildx: Docker Buildx (Docker Inc., 0.8.1) compose: Docker Compose (Docker Inc., 2.3.3) Server: Containers: 3 Running: 1 Paused: 0 Stopped: 2 Images: 10 Server Version: 20.10.7 Storage Driver: overlay2 Backing Filesystem: extfs Supports d_type: true Native Overlay Diff: true Logging Driver: json-file Cgroup Driver: cgroupfs Cgroup Version: 1 Plugins: Volume: local Network: bridge host ipvlan macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: d71fcd7d8303cbf684402823e425e9dd2e99285d runc version: b9ee9c6314599f1b4a7f497e1f1f856fe433d3b7 init version: de40ad0 Security Options: seccomp Profile: default selinux Kernel Version: 5.10.25-linuxkit Operating System: Docker Desktop OSType: linux Architecture: x86_64 CPUs: 2 Total Memory: 1.942GiB Name: docker-desktop ID: 3WZ2:ZQ7K:6K4E:6ZCR:YITZ:GH2S:6NUB:HTB5:OS7K:AAUI:K7CC:JZL3 Docker Root Dir: /var/lib/docker Debug Mode: true File Descriptors: 45 Goroutines: 49 System Time: 2024-07-23T09:41:47.2527914Z EventsListeners: 4 HTTP Proxy: http://proxy.example.com:80 HTTPS Proxy: https://proxy.example.com:443 No Proxy: localhost,127.0.0.1,docker-registry.example.com Registry: https://index.docker.io/v1/ Labels: Experimental: false Insecure Registries: 127.0.0.0/8 Registry Mirrors: Live Restore Enabled: false WARNING: No swap limit support
输出解释
Client : Docker 客户端的相关信息。
Server : Docker 服务端(守护进程)的相关信息。
WARNING : 警告信息(如没有启用 swap 限制支持)。
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