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General

This tutorial tested on Ubuntu Server 20.04 with Cloudflare for DNS Management.

Prerequisites

• Make sure you have generated API Token with specific zone and DNS read & write permission.

Create cloudflare.ini

nano /root/cf/cloudflare.ini

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<?php

// Config information
$server = "IP/DOMAINWHOTOMONITOR"; // the address to test, without the "http://"
$port = "PORT";

// Telegram Bot API configuration
$telegramToken = 'YOURTELEGRAMTOKEN';
$chatId = 'YOURTELEGRAMCHATID';

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#!/bin/bash

# Token bot Telegram dan chat ID penerima notifikasi
TOKEN="YOUR_BOT_TOKEN"
CHAT_ID="YOUR_TELEGRAM_CHAT_ID"

# Fungsi untuk mengirim notifikasi ke Telegram
function send_telegram_notification {
    MESSAGE="$1"
    curl -s -X POST "https://api.telegram.org/bot$TOKEN/sendMessage" \

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General

If you need a shortcut or want to develop operational features on Cloudflare, you can take advantage of the Cloudflare API that I have tried (only core functions) with references like my notes.

DNS

CREATE A NEW RECORD

#!/bin/sh
   
EMAIL="yourCF@email.com"; \
KEY="YOURCDAPIKEY"; \

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Mikrotik PPTP Server Creates

• Aktifkan fitur PPTP VPN Server Mikrotik. Masuk ke menu PPP --> Pada Tab Interface --> Klik PPTP Server --> Centang kotak Enabled --> OK
• Selanjutnya kita buat User PPTP VPN nya. Masuk ke tab Secret --> Klik Tombol + --> Isikan Data Sebegai Berikut :
  • Name : Username PPTP VPN nya
  • Password : Password PPTP VPN nya
  • Service : Pilih service yang digunakan, bisa pilih pptp atau pilih any saja.
  • Profile : Pilih profile yang akan digunakan, pilih default-encryption saja.
  • Local Address : IP Address yang akan digunakan oleh PPTP VPN Server
  • Remote Address : IP Address yang akan diberikan kepada PPTP VPN Client

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Kubernetes with KubeSpray on BareMetal Ubuntu Server 20.04 LTS

Provisioning Kubernetes Cluster BareMetal with KubeSpray

Environment

2x Ubuntu Server 20.04LTS

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General

• Cloudflare build a Zero Trust feature for free to reverse our application (HTTP, TCP, SSH, etc) on-premise to Internet.
• If you want to try this feature, at least you have a domain and manage it on Cloudflare then go to https://one.dash.cloudflare.com/

SSH

• Assume you have point your server with agent
• Assume domain is ssh.endpoint.com
• For client, we must have an cloudflared tools, we can download from https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/installation/
  • Assume we put cloudflared on /usr/local/bin/ for linux
  • Assume we put cloudflared on D:\ for windows

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TightVNC

Make your ubuntu server to GUI Based

Installation

sudo apt install xfce4 xfce4-goodies -y 
sudo apt install tightvncserver -y 
vncserver

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Installation OpenStack Xena on VM Cloud

Environment

1. Virtual Machine Ubuntu 20.04LTS (Azure, GCP, AWS, Aliyun, etc)
2. 16GB RAM
3. 512 GB Storage
4. One disk add for PV

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AWSTemplateFormatVersion: 2010-09-09
Description: >-
  Application Template: Demonstrates how to reference resources from a different stack.
  This template provisions an EC2 instance in a VPC Subnet provisioned in a different stack.

# This template creates:
#   Amazon EC2 instance
#   Security Group

######################