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Reboot to {OS}

This a collection of notes and files used in my quest to create "Reboot to Windows" and "Reboot to Linux" scripts (and desktop shortcuts) for Linux and Windows respectively that automatically reboot my system and instruct rEFInd to auto-select the appropriate OS entry.

General Information

The key for achieving this is to modify the EFI Variable PreviousBoot with GUID 36d08fa7-cf0b-42f5-8f14-68df73ed3740, which rEFInd uses to store the last entry selected in the menu and, if using the + default entry, will be used to select the default OS. By doing this, we trick rEFInd into booting the OS we choose without having to be physically there to press the keyboard.

[ Launch: flying-fuck ] 81aad5e022afb282802c by ptvans[ Launch: flying-fuck ] 6ebeff7f7dbf98474afa by ptvans[ Launch: flying-fuck ] e8ae6baa035b7c5c6423 by ptvans[ Launch: test ] 4653053 by enjalot[ Launch: test ] 4652017 by enjalot[ Launch: test ] 4582399 by enjalot

	{
	"cfgver": 2.3,
	"others": {
	"tuilink": false
	},
	"normal": {
	"gesture": true,
	"drag": true,
	"scroll": false,
	"autocancel": false,


	no Linux abra um terminal ( shell ):

	google-chrome --disable-web-security --user-data-dir="/tmp/"

	chromium-browser --disable-web-security --user-data-dir="/tmp/"

	no Windows abra um terminal ( shell )

	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe --disable-web-security --user-data-dir="c:/tmp"

	# PowerShell script to disable Windows power management on all currently connected serial ports, including USB adapters
	# In simpler terms, it prevents Windows from turning off connected serial devices to save power.
	# Equivalent to right-clicking on a serial port device in Device Manager > Properties > "Power Management" Tab > Unchecking "Allow the computer to turn off this device to save power."

	$hubs = Get-CimInstance -ClassName Win32_SerialPort \| Select-Object Name, DeviceID, Description
	$powerMgmt = Get-CimInstance -ClassName MSPower_DeviceEnable -Namespace root\wmi

	foreach ($p in $powerMgmt) {
	$IN = $p.InstanceName.ToUpper()
	foreach ($h in $hubs) {

	var db = mongoose.connect('mongodb://localhost:27017/DB');

	// In middleware
	app.use(function (req, res, next) {

	// action after response
	var afterResponse = function() {
	logger.info({req: req}, "End request");

	// any other clean ups

	/*
	* Play duo melody with Arduino
	* ============================
	*
	* Description:
	* This sketch simultaneously plays two separate melodies on two (passive)
	* speakers or buzzers. This creates effect of a "choir".
	* For simplicity, it uses function play2Tones(), which only plays two notes
	* of equal duration simultaneosly.
	* The actual melody here is the Anthem of Ukraine.