1.docker info  查看docker相关信息

   docker info | grep -i debug.*server
2. top
3. iftop  iotop screen 等
4. cat /etc/docker/dameon.json

docker info 结果

docker info
Client:
 Debug Mode: false

Server:
 Containers: 2
  Running: 0
  Paused: 0
  Stopped: 2
 Images: 2
 Server Version: 19.03.5
 Storage Driver: btrfs
  Build Version: Btrfs v4.7.3
  Library Version: 101
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 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: b34a5c8af56e510852c35414db4c1f4fa6172339
 runc version: 3e425f80a8c931f88e6d94a8c831b9d5aa481657
 init version: fec3683
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 4.19.94-Unraid
 Operating System: Slackware 14.2 x86_64 (post 14.2 -current)
 OSType: linux
 Architecture: x86_64
 CPUs: 4
 Total Memory: 7.69GiB
 Name: tmtonyraid
 ID: 4UO3:SZ2A:TJ3O:VR5X:ZIU7:DNGS:XAUE:5EVQ:7ARZ:3SHS:3ZXO:TJRM
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Registry Mirrors:
  https://docker.mirrors.ustc.edu.cn/
 Live Restore Enabled: false
 Product License: Community Engine