Docker 실행 환경 확인 → docker system info

• docker system info 명령어를 통해 Docker 실행 환경의 상세 설정이 표시
• 출력되는 결과 내용 설명
  1. Containers → 컨테이너의 수
  2. Images → 이미지의 수
  3. Server Version → Docker 버전
  4. Storage Driver → 스토리지 드라이버 종류
  5. Kernel Version → 커널 버전
  6. Operating System → OS 버전
  7. OSType → OS 종류
  8. Architecture → 아키텍처
  9. CPUs → 사용 CPU
  10. Total Memory → 사용 메모리
  11. Docker Root Dir → Docker 파일이 저장되는 root 디렉토리 위치 (/var/lib/docker)

• docker 실행 환경 확인

  $ docker system info
  Client:
   Context:    default
   Debug Mode: false
   Plugins:
    app: Docker App (Docker Inc., v0.9.1-beta3)
    buildx: Build with BuildKit (Docker Inc., v0.5.1-docker)
    scan: Docker Scan (Docker Inc., v0.8.0)
  
  Server:
   Containers: 0
    Running: 0
    Paused: 0
    Stopped: 0
   Images: 0
   Server Version: 20.10.7
   Storage Driver: overlay2
    Backing Filesystem: xfs
    Supports d_type: true
    Native Overlay Diff: true
    userxattr: false
   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: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
   Default Runtime: runc
   Init Binary: docker-init
   containerd version: 7eba5930496d9bbe375fdf71603e610ad737d2b2
   runc version: v1.0.0-0-g84113ee
   init version: de40ad0
   Security Options:
    seccomp
     Profile: default
   Kernel Version: 3.10.0-1160.36.2.el7.x86_64
   Operating System: CentOS Linux 7 (Core)
   OSType: linux
   Architecture: x86_64
   CPUs: 2
   Total Memory: 1.777GiB
   Name: centos-docker
   ID: FAHK:ZAD7:CAIO:CWZQ:BL5B:6B6F:637K:J3DR:SNKQ:LVOG:OGQJ:QMAM
   Docker Root Dir: /var/lib/docker
   Debug Mode: false
   Username: hippo7788
   Registry: https://index.docker.io/v1/
   Labels:
   Experimental: false
   Insecure Registries:
    127.0.0.0/8
   Live Restore Enabled: false