---
name: "kubeadm-upgrade-apply-phase-preflight"
section: "1"
platform: "linux"
package: "kubeadm"
version: "1.37.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/kubeadm-upgrade-apply-phase-preflight"
---

# kubeadm-upgrade-apply-phase-preflight(1)

Run preflight checks before upgrade

Eric Paris Jan 2015

## NAME

kubeadm upgrade apply phase preflight - Run preflight checks before upgrade

## SYNOPSIS

**kubeadm upgrade apply phase preflight** \[OPTIONS\]

## DESCRIPTION

Run preflight checks before upgrade

## OPTIONS

**--allow-experimental-upgrades**=false\
 	Show unstable versions of Kubernetes as an upgrade alternative and allow upgrading to an alpha/beta/release candidate versions of Kubernetes.

**--allow-release-candidate-upgrades**=false\
 	Show release candidate versions of Kubernetes as an upgrade alternative and allow upgrading to a release candidate versions of Kubernetes.

**--config**=""\
 	Path to a kubeadm configuration file.

**--dry-run**=false\
 	Do not change any state, just output what actions would be performed.

**-f**, **--force**=false\
 	Force upgrading although some requirements might not be met. This also implies non-interactive mode.

**--ignore-preflight-errors**=\[\]\
 	A list of checks whose errors will be shown as warnings. Example: 'IsPrivilegedUser,Swap'. Value 'all' ignores errors from all checks.

**--kubeconfig**="/etc/kubernetes/admin.conf"\
 	The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.

**-y**, **--yes**=false\
 	Perform the upgrade and do not prompt for confirmation (non-interactive mode).

## OPTIONS INHERITED FROM PARENT COMMANDS

**--rootfs**=""\
 	The path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.

**--version**=false\
 	\--version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version

## SEE ALSO

**[kubeadm-upgrade-apply-phase(1)](/kubeadm-upgrade-apply-phase/1.md)**,

## HISTORY

January 2015, Originally compiled by Eric Paris (eparis at redhat dot com) based on the kubernetes source material, but hopefully they have been automatically generated since!