Jobians

🧩 QEMU Performance Comparison Summary

Host: Termux on Android (ARM64 / aarch64)
Device: Android phone running Termux
Virtualization: QEMU emulation (no KVM acceleration)

🖥️ Virtual Machines Compared

VM	QEMU Command	Architecture	Notes
🟢 ARM64 Guest	qemu-system-aarch64	ARM64 on ARM64	Native architecture, efficient
🔴 x86_64 Guest	qemu-system-x86_64	x86 emulated on ARM	Heavy software emulation via TCG

Jobians

#!/bin/bash
# Configure GRUB for serial console in Debian (Termux-friendly)

GRUB_FILE="/etc/default/grub"
BACKUP_FILE="/etc/default/grub.bak.$(date +%F-%T)"

echo "🔹 Backing up current GRUB config to $BACKUP_FILE"
sudo cp "$GRUB_FILE" "$BACKUP_FILE"

echo "🔹 Configuring GRUB for serial console..."

Jobians

async function getFinalUrl(inputUrl) {
  // Extract the ID from the input URL, https://adrinolinks.com/{id}
  const idMatch = inputUrl.match(/\/([^\/]+)$/);
  if (!idMatch) {
    throw new Error("Invalid URL format, can't extract ID");
  }
  const id = idMatch[1];
  
  const url = `https://tackledsoul.com/includes/open.php?id=${id}`;

Jobians

🛠️ Android Emulator Crash FIX — StartService FAILED with error 4294967201

❗ Problem

When launching the Android Emulator, I kept getting this vague and frustrating error:

Running Android Emulator hypervisor driver installer
[SC] StartService FAILED with error 4294967201
The emulator process for AVD  has terminated.

Jobians

const crypto = require('crypto');
const {
  TextDecoder
} = require('util');

// Static Key and IV (from client JS)
const base64IV = "Wzk3LCAxMDksIC0xMDAsIC05MCwgMTIyLCAtMTI0LCAxMSwgLTY5LCAtNDIsIDExNSwgLTU4LCAtNjcsIDQzLCAtNzUsIDMxLCA3NF0=";
const base64Key = "Wy0zLCAtMTEyLCAxNSwgLTEyNCwgLTcxLCAzMywgLTg0LCAxMDksIDU3LCAtMTI3LCAxMDcsIC00NiwgMTIyLCA0OCwgODIsIC0xMjYsIDQ3LCA3NiwgLTEyNywgNjUsIDc1LCAxMTMsIC0xMjEsIDg5LCAtNzEsIDUwLCAtODMsIDg2LCA5MiwgLTQ2LCA0OSwgNTZd";

function parseKey(base64Str) {

Jobians

Problem:

While building ESP32 projects on ARM64 (e.g., Raspberry Pi, Termux), PlatformIO shows this error:

xtensa-esp32-elf-g++: not found [Error 127]

Solution:

1. Download ARM64 toolchain:

Jobians

This guide covers installing Deno.js and Bun.js in Termux using proot Ubuntu.

1. Install Termux and Proot Ubuntu

First, update Termux and install Ubuntu using proot-distro:

pkg update && pkg upgrade -y
pkg install proot-distro -y
proot-distro install ubuntu
proot-distro login ubuntu