docker info命令
docker info命令是用来查看docker系统信息的，它可以用来查看docker的版本、镜像、容器、网络、存储驱动等信息。
使用方法
的方法如下：
$ docker info
运行上面的命令后，会输出docker系统信息，例如：
Containers: 5 Running: 5 Paused: 0 Stopped: 0 Images: 9 Server Version: 18.09.2 Storage Driver: overlay2 Backing Filesystem: extfs Supports d_type: true Native Overlay Diff: true Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host 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: 894b81a4b802e4eb2a91d1ce216b8817763c29fb runc version: b2567b37d7b75eb4cf325b77297b6e53c52aa53 init version: fec3683 Security Options: seccomp Profile: default Kernel Version: 4.15.0-45-generic Operating System: Ubuntu 18.04.1 LTS OSType: linux Architecture: x86_64 CPUs: 4 Total Memory: 15.53GiB Name: ubuntu ID: VQ2F:Y3XA:KJ6G:YV2A:6XFE:V3Z4:3N3M:HJ6U:3V5T:KUJG:4H6Y:6V2T Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Labels: Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false WARNING: No swap limit support
从上面的输出可以看出，docker的版本、镜像、容器、网络、存储驱动等信息都已经被输出出来了，我们可以根据自己的需要来查看相关信息。