{{tag>[containerd]}} ====== ctr ====== containerd의 CLI ===== USAGE ===== * ''**ctr** [global options] command [command options] [arguments]'' * ''global options'' * ''**--address**'', ''**-a**'' container sockert (default: ''/urn/containerd/containrd.sock'') * ''**--namespace** namespace'', ''**-n** namespace'' namespace(default: ''default'') * ''**--debug**'' ==== namespace ==== > k8s는 ''k8s.io''네임스페이스, docker는 ''moby'' * ''**ctr** **namespace ls**'' 네임스페이스 목록 * ''**ctr** **namespace create** name'' * ''**ctr** **namespace rm** name'' ==== images ==== * ''**ctr** **image pull** image'' 이미지 pull * ''**--platform** linux/amd64'' * ''**ctr** **image ls**'' 이미지 목록 * ''**ctr** **image rm** image'' 이미지 삭제 * ''**ctr** **image tag** src dst'' 태그 * ''**ctr** **image export** file.tar image'' 내보내기 * ''**ctr** **image import** file.tar'' 가져오기 * ''**ctr** **image check**'' 이미지 레이어 무결성 확인 * ''**ctr** **image mount** image mountpoint'' 이미지 마운트 * ''**ctr** **image unmount** mountpoint'' ==== container ====


ctr container create \
  --env KEY=VALUE \
  --mount type=bind,src=/host,dst=/container,options=rbind:rw \
  --net-host \

* ''**ctr** **container create** image id'' 컨테이너 생성 * ''**ctr** **container ls**'' 목록 * ''**ctr** **container info** id'' 상세정보 JSON * ''**ctr** **container rm** id'' 삭제 ==== task ==== > 실제 프로세스 실행단위 * ''**ctr** **task start** id'' task 시작 * ''**--detach**'', ''**-d**'' * ''**ctr** **task ls**'' 실행중인 task 목록 * ''**ctr** **task exec** eid id cmd'' 실행 ++ tty || \\ ''**ctr** **task exec** sh1 **-t** id sh'' tty attach ++ * ''**ctr** **task attach** id'' stdout/stderr attach * ''**ctr** **task pause** id'' * ''**ctr** **task resume** id'' * ''**ctr** **task kill** id'' * ''**--signal** SIGKILL'' * ''**ctr** **task rm** id'' task 제거(stop) * ''**ctr** **task ps** id'' task 내 프로세스 목록 ==== run ====


ctr run -d \
  --env KEY=VAL \
  --mount type=bind,src=/data,dst=/data,options=rbind:rw \

> create + start * ''**ctr** **run** image id'' forground * ''**--detach**'', ''**-d**'' * ''**--net-host**'' * ''**--rm**'' 실행 후 작동 삭제 ==== snapshot ==== > 레이어 관리 * ''**ctr** **snapshot ls**'' forground * ''**ctr** **snpashot info** key'' forground * ''**ctr** **snapshot rm** key'' forground * ''**ctr** **snapshot tree**'' forground ==== content ==== > blob 관리 * ''**ctr** **content ls**'' forground * ''**ctr** **content get** digest'' * ''**ctr** **content delete** digest'' ==== lease === * ''**ctr** **leases ls**'' * ''**ctr** **leases create** **--id** id'' * ''**ctr** **leases delete** id'' ==== plugin ==== * ''**ctr** **plugin ls**'' 로드된 플러그인 목록 ==== HELP ==== ++++ ctr --help |


NAME:
   ctr - 
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          / ___/ __/ ___/
         / /__/ /_/ /
         \___/\__/_/

         containerd CLI


USAGE:
   ctr [global options] command [command options]

VERSION:
   2.2.0

DESCRIPTION:
   
   ctr is an unsupported debug and administrative client for interacting
   with the containerd daemon. Because it is unsupported, the commands,
   options, and operations are not guaranteed to be backward compatible or
   stable from release to release of the containerd project.

COMMANDS:
   plugins, plugin            Provides information about containerd plugins
   version                    Print the client and server versions
   containers, c, container   Manage containers
   content                    Manage content
   events, event              Display containerd events
   images, image, i           Manage images
   leases                     Manage leases
   namespaces, namespace, ns  Manage namespaces
   pprof                      Provide golang pprof outputs for containerd
   run                        Run a container
   snapshots, snapshot        Manage snapshots
   tasks, t, task             Manage tasks
   install                    Install a new package
   oci                        OCI tools
   sandboxes, sandbox, sb, s  Manage sandboxes
   info                       Print the server info
   deprecations               
   shim                       Interact with a shim directly
   help, h                    Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --debug                      Enable debug output in logs (default: false)
   --address value, -a value    Address for containerd's GRPC server (default: "/run/containerd/containerd.sock") [$CONTAINERD_ADDRESS]
   --timeout value              Total timeout for ctr commands (default: 0s)
   --connect-timeout value      Timeout for connecting to containerd (default: 0s)
   --namespace value, -n value  Namespace to use with commands (default: "default") [$CONTAINERD_NAMESPACE]
   --help, -h                   Show help (default: false)
   --version, -v                Print the version (default: false)

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