James Young jamesy0ung

Phase 1: Prepare Kernel (Linux aarch64 Build VM)

Download & Extract Kernel:

wget https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.6.85.tar.xz
tar xvJf linux-6.6.85.tar.xz
cd linux-6.6.85

Chapter 1

Exercise 1-1: Run the ``hello, world'' program on your system. Experiment with leaving out parts of the program, to see what error messages you get.
Exercise 1-2: Experiment to find out what happens when prints's argument string contains \c, where c is some character not listed above.
Exercise 1-3: Modify the temperature conversion program to print a heading above the table.
Exercise 1-4: Write a program to print the corresponding Celsius to Fahrenheit table.
Exercise 1-5: Modify the temperature conversion program to print the table in reverse order, that is, from 300 degrees to 0.
Exercise 1-6: Verify that the expression getchar() != EOF is 0 or 1.
Exercise 1-7: Write a program to print the value of EOF.
Exercise 1-8: Write a program to count blanks, tabs, and newlines.

	Octeon ubnt_e120# printenv
	bootcmd=fatload usb 0 $loadaddr vmlinux.64;bootoctlinux $loadaddr coremask=0x3 root=/dev/sda2 rootdelay=15 rw rootsqimg=squashfs.img rootsqwdir=w mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k@1024k(eeprom)
	bootdelay=0
	baudrate=115200
	download_baudrate=115200
	nuke_env=protect off $(env_addr) +$(env_size);erase $(env_addr) +$(env_size)
	autoload=n
	ethact=octeth0
	loadaddr=0x9f00000
	numcores=2

	# Ensure the script is running as Administrator
	If (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
	Write-Output "Please run this script as an Administrator!"
	Exit
	}

	# Define the registry paths to clean
	$graphicsDriversPath = "HKLM:\SYSTEM\CurrentControlSet\Control\GraphicsDrivers"
	$subKeys = @("Configuration", "Connectivity", "ScaleFactors")

	#include <iostream>
	#include <climits>

	long long int f0 = { 0 };
	long long int f1 = { 1 };
	long long int fn = {};

	int main()
	{
	std::cout << "Printing fibbonacci sequence\n";

	@echo off
	echo Disabling Oculus packages...

	adb shell pm disable-user --user 0 com.oculus.explore
	if %errorlevel% neq 0 echo Failed to disable com.oculus.explore

	adb shell pm disable-user --user 0 com.oculus.socialplatform
	if %errorlevel% neq 0 echo Failed to disable com.oculus.socialplatform

	adb shell pm disable-user --user 0 com.meta.curio.toybox

	import serial
	import time
	import logging
	import sys

	logging.basicConfig(level=logging.DEBUG,
	format='%(asctime)s - %(levelname)s - %(message)s',
	handlers=[
	logging.StreamHandler(sys.stdout),
	logging.FileHandler('switch_config.log')

	# Copyright (c) 1993-2009 Microsoft Corp.
	#
	# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
	#
	# This file contains the mappings of IP addresses to host names. Each
	# entry should be kept on an individual line. The IP address should
	# be placed in the first column followed by the corresponding host name.
	# The IP address and the host name should be separated by at least one
	# space.
	#