Provided by: containerd_1.2.6-0ubuntu1~16.04.6+esm1_amd64 
SYNOPSIS
ctr [global options] command [command options] [arguments...]
DESCRIPTION
ctr is an unsupported debug and administrative client for interacting with the containerd daemon. Because
it is unsupported, the commands, options, and operation are not guaranteed to be backward compatible or
stable from release to release of the containerd project.
OPTIONS
The following commands are available in the ctr utility:
plugins,plugin : Provides information about containerd plugins
version : Prints the client and server versions
containers,c,container : Manages and interacts with containers
content : Manages and interacts with content
events,event : Displays containerd events
images,image : Manages and interacts with images
namespaces,namespace : Manages and interacts with containerd namespaces
pprof : Provides golang pprof outputs for containerd
run : Runs a container
snapshots,snapshot : Manages and interacts with snapshots
tasks,t,task : Manages and interacts with tasks
shim : Interacts with a containerd shim directly
help,h : Displays a list of commands or help for one specific command
The following global options apply to all ctr commands:
--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) [also read from
$CONTAINERD_NAMESPACE]
--help, -h : Show help text
--version, -v : Prints the ctr version
BUGS
Note that the ctr utility is not an officially supported part of the containerd project releases.
However, please feel free to file any specific issues that you encounter at
⟨https://github.com/containerd/containerd⟩.
AUTHOR
Phil Estes ⟨estesp@gmail.com⟩
SEE ALSO
containerd(1), containerd-config(1), containerd-config.toml(5) 01/30/2018 ctr(1)