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The 'upgrade-ubuntu.ps1' Script

This PowerShell script upgrades Ubuntu Linux to the latest (LTS) release.

Parameters

PS> ./upgrade-ubuntu.ps1 [<CommonParameters>]

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.

Example

PS> .\upgrade-ubuntu.ps1

Notes

Author: Markus Fleschutz | License: CC0

Related Links

https://github.com/fleschutz/PowerShell

Script Content

<#
.SYNOPSIS
	Upgrades Ubuntu Linux 
.DESCRIPTION
	This PowerShell script upgrades Ubuntu Linux to the latest (LTS) release.
.EXAMPLE
	PS> .\upgrade-ubuntu.ps1 
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

try {
	"⏳ (1/4) Checking requirements..."
	& "$PSScriptRoot/check-power.ps1"
	& "$PSScriptRoot/check-smart-devices.ps1"
	if ($IsLinux -or $IsMacOS) {
		& "$PSScriptRoot/check-drive-space.ps1" /
	} else {
		& "$PSScriptRoot/check-drive-space.ps1" C
	}
	& "$PSScriptRoot/check-swap-space.ps1"
	"NOTE: It's strongly recommended to backup your data BEFORE the upgrade!"
	$confirm = Read-Host "Press <Return> to continue..."
	""
	"⏳ (2/4) Upgrade installed packages, then reboot"
	$confirm = Read-Host "Enter <yes> to perform this step (otherwise it will be skipped)"
	if ($confirm -eq "yes") {
		sudo apt install update-manager-core
		"⏳ Updating..."
		sudo apt update
		sudo apt list --upgradable
		"⏳ Upgrading..."
		sudo apt upgrade
		"⏳ Rebooting..."
		sudo reboot 
	}
	""
	"⏳ (3/4) Remove obsolete kernel modules"
	$confirm = Read-Host "Enter <yes> to perform this step (otherwise it will be skipped)"
	if ($confirm -eq "yes") {
		sudo apt --purge autoremove
	}
	""
	"⏳ (4/4) Upgrade Ubuntu OS, then reboot"
	$confirm = Read-Host "Enter <LTS> to upgrade to latest LTS release, <latest> to upgrade to latest Ubuntu release (otherwise this step will be skipped)"
	if ($confirm -eq "LTS") {
		sudo do-release-upgrade
		"⏳ Rebooting..."
		sudo reboot
	} elseif ($confirm -eq "latest") {
		sudo do-release-upgrade -d
		"⏳ Rebooting..."
		sudo reboot
	}
	"✅ Update done."
	exit 0 # success
} catch {
	"⚠️ ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}

(page generated by convert-ps2md.ps1 as of 04/19/2026 17:57:05)