hermanho

Ubuntu LVM Root Migration to a New Disk with More Inodes

This guide migrates an Ubuntu system from an old disk to a new disk, recreating the root filesystem with a higher inode density using the tar streaming approach.

Goal

• Move Ubuntu to another disk
• Keep an LVM root layout
• Increase inode count on /
• Avoid creating a temporary tar archive file

hermanho

Windows 11 25H2 upgrade lessons learned: drivers that broke update / boot

I finally got Windows 11 25H2 installed successfully after removing old low-level drivers, filter drivers, and leftover device-class hooks.

Symptoms

• Repeated upgrade failure:
  • 0xC1900101
  • 0xC1900101 - 0x40017
• SECOND_BOOT

hermanho

MSI PRO Z690-A DDR4 / BIOS 7D25v1N white BIOS screen fix

After updating to the latest AMI BIOS 7D25v1N (released for Secure Boot CA updates / security hardening), my PC could still boot into Windows, but I could no longer enter BIOS.

My hardware

• Motherboard: MSI PRO Z690-A DDR4
• CPU: Intel i7 KF
• GPU: MSI GTX 970

Symptom

hermanho

#!/bin/bash

WIDTH=4032
HEIGHT=3024
MAX_JOBS=4

# Kill all child processes if user presses Ctrl+C
trap "echo '❌ Interrupted. Cleaning up...'; kill 0; exit 1" SIGINT

generate_image() {

hermanho

hermanho

from dateutil import rrule
from datetime import date, timedelta, datetime


def get_holidays(a=date.today(), b=date.today()+timedelta(days=365)):
    rs = rrule.rruleset()
    # Include all potential holidays
    rs.rrule(rrule.rrule(rrule.YEARLY, dtstart=a, until=b, bymonth= 1, bymonthday= 1))                     # New Years Day
    rs.rrule(rrule.rrule(rrule.YEARLY, dtstart=a, until=b, bymonth= 1, bymonthday= 2, byweekday=rrule.MO)) # New Years Day

hermanho

import { useStateWithCallback } from "./useStateWithCallback";

const App = () => {
    const [bananas, setBananas] = useStateWithCallback(0);

    const eatMore = () => {
        setBananas(bananas + 1, (prevValue, newValue) => {
            console.log(newValue);
        });
    };

hermanho

import 'package:flutter/material.dart';
import 'dart:math' show pi;

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {

hermanho

破解 Checker Plus for Gmail 的 donate 功能限制

步驟

1. 找到該 Extension 的 ID (通常從 Chrome WebStore 安裝的皆為oeopbcgkkoapgobdbedcemjljbihmemj)
2. 訪問以下網址 chrome-extension://[ExtensionID]/donate.html?action=coinbaseSuccess

• 帶入預設ID則為 chrome-extension://oeopbcgkkoapgobdbedcemjljbihmemj/contribute.html?action=coinbaseSuccess

3. 破解完成~

hermanho

# https://www.snbforums.com/threads/asus-rt-ac86u-dual-band-ac2900-wireless-router-reviewed.42195/page-9#post-412345

Region/Channels 1-11 12-13 36-48 52-64 100-112 116 132-140 149-161 165
Asia............ x ...---... x ...---....---...---...---..... x ... x
China(Default).. x ... x ...---...---....---...---...---..... x ... x
Europe.......... x ... x ... x ... x .... x ... x ... x .....---...---
Korea........... x ... x ... x ...---....---...---...---..... x ...---
Russia.......... x ... x ... x ... x .... x ... x ... x .....---...---
Singapore....... x ...---... x ...---....---...---...---..... x ... x
United States... x ...---... x ...---....---...---...---..... x ... x