PLEASE NOTE: This document applies to the HEAD of the source tree only. If you are using a released version of Kubernetes, you almost certainly want the docs that go with that version.
Documentation for specific releases can be found at releases.k8s.io.
Print the logs for a container in a pod.
Print the logs for a container in a pod. If the pod has only one container, the container name is optional.
kubectl logs [-f] [-p] POD [-c CONTAINER]
// Returns snapshot of ruby-container logs from pod 123456-7890.
$ kubectl logs 123456-7890 ruby-container
// Returns snapshot of previous terminated ruby-container logs from pod 123456-7890.
$ kubectl logs -p 123456-7890 ruby-container
// Starts streaming of ruby-container logs from pod 123456-7890.
$ kubectl logs -f 123456-7890 ruby-container
-c, --container="": Container name
-f, --follow=false: Specify if the logs should be streamed.
-h, --help=false: help for logs
--interactive=true: If true, prompt the user for input when required. Default true.
-p, --previous=false: If true, print the logs for the previous instance of the container in a pod if it exists.
--alsologtostderr=false: log to standard error as well as files
--api-version="": The API version to use when talking to the server
--certificate-authority="": Path to a cert. file for the certificate authority.
--client-certificate="": Path to a client key file for TLS.
--client-key="": Path to a client key file for TLS.
--cluster="": The name of the kubeconfig cluster to use
--context="": The name of the kubeconfig context to use
--insecure-skip-tls-verify=false: If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.
--kubeconfig="": Path to the kubeconfig file to use for CLI requests.
--log-backtrace-at=:0: when logging hits line file:N, emit a stack trace
--log-dir=: If non-empty, write log files in this directory
--log-flush-frequency=5s: Maximum number of seconds between log flushes
--logtostderr=true: log to standard error instead of files
--match-server-version=false: Require server version to match client version
--namespace="": If present, the namespace scope for this CLI request.
--password="": Password for basic authentication to the API server.
-s, --server="": The address and port of the Kubernetes API server
--stderrthreshold=2: logs at or above this threshold go to stderr
--token="": Bearer token for authentication to the API server.
--user="": The name of the kubeconfig user to use
--username="": Username for basic authentication to the API server.
--v=0: log level for V logs
--validate=false: If true, use a schema to validate the input before sending it
--vmodule=: comma-separated list of pattern=N settings for file-filtered logging
- kubectl - kubectl controls the Kubernetes cluster manager