karnzx

create nginx config realip for Cloudflare

nginx_conf_cloudflare_real_ip.sh

CF_CFG=/tmp/nginx-realip.conf.$RANDOM
CF_V4=$(curl -s https://www.cloudflare.com/ips-v4)
CF_V6=$(curl -s https://www.cloudflare.com/ips-v6)

cat << 'EoF' > ${CF_CFG}
real_ip_recursive on;

karnzx

Get AWS used private IP on each subnet by given VPC_ID

get private ip address used on each subnet but given vpc id on AWS provider

requirements

• aws
• jq

get_private_ip.sh

#!/bin/bash

karnzx

Simple Vagrantfile for create multiple vm with virtualbox provider

what is this Vagrantfile do

Create 2 Linux Debian 12 bookworm VMs

name	IP
vm-1	192.168.56.101
vm-2	192.168.56.102

prerequisite

karnzx

_print(){
	if [[ -z "$1" ]]; then
		local funcname=${FUNCNAME[0]}
		echo -e "Usage:"
		echo -e "$funcname texts (bold|faint|italic|underline) (red|green|yellow|white)"
		echo -e "Try:"
		echo -e "$funcname hello"
		echo -e "$funcname hello bold"
		echo -e "$funcname hello bold red"
	fi

karnzx

#!\bin\bash

RED="\033[31m"
YELLOW="\033[33m"
GREEN="\033[32m"
RESET="\033[0m"

print_yellow() {
    echo -e "${YELLOW}${1}${RESET}"
}

karnzx

from flask import Flask

app = Flask(__name__)

@app.route('/')
def index():
  return "Hello world!"
  
if __name__ == '__main__':
    app.debug = True

karnzx

import java.util.*;

class Shape {
    private String name;

    public Shape(String name) {
        this.name = name;
    }

    public String getName() {

karnzx

class A {
    private int x;

    public A(int x) {
        this.x = x;
        System.out.println("A");
    }

    public void foo() {
        System.out.println(x);

karnzx

{% extends '/base-map.html' %}
{% block body %}
<div>
    <p id="coords"></p>
    <div>
        <button id="chiangmai">ไปเชียงใหม่</button>
        <button id="hatyai">ไปหาดใหญ่</button>
        <button id="bankkok">ไปกรุงเทพ</button>
    </div>
    <div id="mapid" style="margin: 1em;"></div>

karnzx

{% extends '/base-map.html' %}
{% block body %}
<div>
    <p id="coords"></p>
    <div id="mapid" style="margin: 1em;"></div>
</div>
    
<script type="text/python">
from browser import alert, document, window, html