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kubectl logs

kubectl logs

Print the logs for a container in a pod

Synopsis

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]

Examples

  # Return snapshot logs from pod nginx with only one container
  kubectl logs nginx
  
  # Return snapshot of previous terminated ruby container logs from pod web-1
  kubectl logs -p -c ruby web-1
  
  # Begin streaming the logs of the ruby container in pod web-1
  kubectl logs -f -c ruby web-1
  
  # Display only the most recent 20 lines of output in pod nginx
  kubectl logs --tail=20 nginx
  
  # Show all logs from pod nginx written in the last hour
  kubectl logs --since=1h nginx

Options

  -c, --container string    Print the logs of this container
  -f, --follow              Specify if the logs should be streamed.
      --limit-bytes int     Maximum bytes of logs to return. Defaults to no limit.
  -p, --previous            If true, print the logs for the previous instance of the container in a pod if it exists.
      --since duration      Only return logs newer than a relative duration like 5s, 2m, or 3h. Defaults to all logs. Only one of since-time / since may be used.
      --since-time string   Only return logs after a specific date (RFC3339). Defaults to all logs. Only one of since-time / since may be used.
      --tail int            Lines of recent log file to display. Defaults to -1, showing all log lines. (default -1)
      --timestamps          Include timestamps on each line in the log output

Options inherited from parent commands

      --alsologtostderr                  log to standard error as well as files
      --as string                        Username to impersonate for the operation
      --certificate-authority string     Path to a cert. file for the certificate authority
      --client-certificate string        Path to a client certificate file for TLS
      --client-key string                Path to a client key file for TLS
      --cluster string                   The name of the kubeconfig cluster to use
      --context string                   The name of the kubeconfig context to use
      --insecure-skip-tls-verify         If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
      --kubeconfig string                Path to the kubeconfig file to use for CLI requests.
      --log-backtrace-at traceLocation   when logging hits line file:N, emit a stack trace (default :0)
      --log-dir string                   If non-empty, write log files in this directory
      --logtostderr                      log to standard error instead of files
      --match-server-version             Require server version to match client version
  -n, --namespace string                 If present, the namespace scope for this CLI request
      --password string                  Password for basic authentication to the API server
      --request-timeout string           The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests. (default "0")
  -s, --server string                    The address and port of the Kubernetes API server
      --stderrthreshold severity         logs at or above this threshold go to stderr (default 2)
      --token string                     Bearer token for authentication to the API server
      --user string                      The name of the kubeconfig user to use
      --username string                  Username for basic authentication to the API server
  -v, --v Level                          log level for V logs
      --vmodule moduleSpec               comma-separated list of pattern=N settings for file-filtered logging
Auto generated by spf13/cobra on 13-Dec-2016

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