CLI
- Global flags

CLI

The Linkerd CLI is the primary way to interact with Linkerd. It can install the control plane to your cluster, add the proxy to your service and provide detailed metrics for how your service is performing.

As reference, check out the commands below:

Command	Description
check	Check the Linkerd installation for potential problems
completion	Output shell completion code for the specified shell (bash, zsh or fish)
diagnostics	Commands used to diagnose Linkerd components
identity	Display the certificate(s) of one or more selected pod(s)
inject	Add the Linkerd proxy to a Kubernetes config
install	Output Kubernetes configs to install Linkerd
install-cni	Output Kubernetes configs to install Linkerd CNI
jaeger	jaeger manages the jaeger extension of Linkerd service mesh
multicluster	Manages the multicluster setup for Linkerd
profile	Output service profile config for Kubernetes
repair	Output the secret/linkerd-config-overrides resource if it has been deleted
uninject	Remove the Linkerd proxy from a Kubernetes config
uninstall	Output Kubernetes resources to uninstall Linkerd control plane
upgrade	Output Kubernetes configs to upgrade an existing Linkerd control plane
version	Print the client and server version information
viz	viz manages the linkerd-viz extension of Linkerd service mesh

Global flags

The following flags are available for all linkerd CLI commands:

Flag	Usage
`—api-addr`	Override kubeconfig and communicate directly with the control plane at host:port (mostly for testing)
`—context`	Name of the kubeconfig context to use
`—help` `-h`	help for linkerd
`—kubeconfig`	Path to the kubeconfig file to use for CLI requests
`—linkerd-namespace` `-l`	Namespace in which Linkerd is installed [$LINKERD_NAMESPACE]
`—verbose`	Turn on debug logging
`—as`	Username to impersonate for Kubernetes operations