Docker system 명령어

• Docker system

  $ docker system
  # Usage:  docker system COMMAND
  
  # Manage Docker
  
  # Commands:
  #   df          Show docker disk usage
  #   events      Get real time events from the server
  #   info        Display system-wide information
  #   prune       Remove unused data
  

• Docker disk 사용량 체크

  $ docker system df
  # 예시
  # TYPE            TOTAL     ACTIVE    SIZE      RECLAIMABLE
  # Images          6         6         54.21GB   29.62GB (54%)
  # Containers      7         3         29.38GB   24.78GB (84%)
  # Local Volumes   22        2         1.56MB    1.426MB (91%)
  # Build Cache     17        0         6.338GB   6.338GB
  

• Docker 실시간 이벤트 체크

  $ docker system events
  

• Docker 시스템 정보 체크

  $ docker system info
  

• Docker unused 데이터 제거

  $ docker system prune [OPTIONS]
  

  OPTIONS:

  		command description
  -a	--all	Remove all unused images not just dangling ones
  	--filter filter	Provide filter values (e.g. "label=<key>=<value>")
  -f	--force	Do not prompt for confirmation
  	--volumes	Prune anonymous volumes