Microk8s.ctr命令行与containerd怎么用
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Microk8s.ctr是用于microk8s下的容器管理(containerd,https://containerd.io)的命令,下面来探索一下其参数。
主要命令
ubuntu@ubuntu:/etc/systemd/system$ sudo microk8s.ctr NAME: ctr - __ _____/ /______ / ___/ __/ ___/ / /__/ /_/ / \___/\__/_/ containerd CLI USAGE: ctr [global options] command [command options] [arguments...] VERSION: v1.2.5 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 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 shim interact with a shim directly cri interact with cri plugin help, h Shows a list of commands or help for one command GLOBAL OPTIONS: --debug enable debug output in logs --address value, -a value address for containerd's GRPC server (default: "/run/containerd/containerd.sock") --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") [$CONTAINERD_NAMESPACE] --help, -h show help --version, -v print the version
查看容器镜像
ubuntu@ubuntu:/etc/systemd/system$ sudo microk8s.ctr images NAME: ctr images - manage images USAGE: ctr images command [command options] [arguments...] COMMANDS: check check that an image has all content available locally export export an image import import images list, ls list images known to containerd pull pull an image from a remote push push an image to a remote remove, rm remove one or more images by reference label set and clear labels for an image OPTIONS: --help, -h show help ubuntu@ubuntu:/etc/systemd/system$ sudo microk8s.ctr images ls REF TYPE DIGEST SIZE PLATFORMS LABELS
查看容器实例
ubuntu@ubuntu:/etc/systemd/system$ sudo microk8s.ctr containers ls CONTAINER IMAGE RUNTIME ubuntu@ubuntu:/etc/systemd/system$ sudo microk8s.ctr containers NAME: ctr containers - manage containers USAGE: ctr containers command [command options] [arguments...] COMMANDS: create create container delete, del, rm delete one or more existing containers info get info about a container list, ls list containers label set and clear labels for a container OPTIONS: --help, -h show help
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