kubeadm upgrade --help

kubeadm upgrade --help

Upgrade your cluster smoothly to a newer version with this command

Usage:
  kubeadm upgrade [flags]
  kubeadm upgrade [command]

Available Commands:
  apply       Upgrade your Kubernetes cluster to the specified version
  diff        Show what differences would be applied to existing static pod manifests. See also: kubeadm upgrade apply --dry-run
  node        Upgrade commands for a node in the cluster
  plan        Check which versions are available to upgrade to and validate whether your current cluster is upgradeable. To skip the internet check, pass in the optional [version] parameter

Flags:
  -h, --help   help for upgrade

Global Flags:
      --add-dir-header           If true, adds the file directory to the header of the log messages
      --log-file string          If non-empty, use this log file
      --log-file-max-size uint   Defines the maximum size a log file can grow to. Unit is megabytes. If the value is 0, the maximum file size is unlimited. (default 1800)
      --one-output               If true, only write logs to their native severity level (vs also writing to each lower severity level)
      --rootfs string            [EXPERIMENTAL] The path to the 'real' host root filesystem.
      --skip-headers             If true, avoid header prefixes in the log messages
      --skip-log-headers         If true, avoid headers when opening log files
  -v, --v Level                  number for the log level verbosity

Use "kubeadm upgrade [command] --help" for more information about a command.

See also

• kubeadm [ init | token | config | reset | version | upgrade | join | --help ]