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Setup VPN on Ubuntu on DigitalOcean / Vultr

* OpenVPN vs WireGuard: https://restoreprivacy.com/wireguard/ * Choose a service provider which suits you most. Choose a nearest location to get fastest speed. Choose a location where the country is liberal. Choose a location which provides best price. * Tutorial on setting up server on DO / Vultr https://10to7.xyz/server-setup-on-digitalocean/

Connecting to remote host via SSH using Putty on Windows

* Download and install Putty https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html Direct link 64-bit 32-bit * Run Putty * Enter the IP address of the remote host in "Host Name (or IP address)" field. Default port is 22, if you have not changed it during SSH server

Generating SSH key on Windows

* Download and install Putty https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html Direct link 64-bit 32-bit * Run Putty key generator * The larger "Number of bits in a generated key", the more different to be cracked. Please use at least 2048. 4096 is recommended. * Click "Generate&

Server setup on DigitalOcean

* Register on DigitalOcean Register using the link below, you will get $50 credit for try out their service: https://m.do.co/c/a55a436b505d * Create a new project first. * Click "Create" on the top-right hand corner, and choose "Droplet" (server). * Below is the list of OS

Server setup on Vultr

* Register on Vultr. Register using the link below, you will get $50 credit for try out their service: https://www.vultr.com/?ref=8004608-4F * You may get some free credit by following their requirements: https://my.vultr.com/promo/ * Click the + sign on the top-right corner to deploy new server.

Raspberry-Pi set-up

* First of all, please get a Raspberry-Pi (PI below) https://www.raspberrypi.org/products/ * Please prepare a micro-SD card and a good quality power adapter and USB cable. Failing to provide sufficient power may cause the system unstable. * Download the OS which suits your need https://www.raspberrypi.org/downloads/

Install zipped add-on on KODI (former XBMC)

* Download the add-on file Netflix https://github.com/asciidisco/plugin.video.netflix Free television channel of Hong Kong https://gitea.y2kbug.xyz/y2kbug/plugin.video.tvhk If it is on Github, find the green button and choose "Downoad ZIP". Or, on Gitea, choose "ZIP". * Turn on

Telegram的安全指定

* 使用太空卡開設帳號 * 交換聯絡時，使用帳戶名稱，而非電話號碼 * 喺"Privacy and Security"入面，有好多設置選項 * 為免被撞出電話號碼，請設成 "My Contacts" 或 "Nobody" * "Last Seen & Online" 請設成 "My Contacts" 或 "Nobody". * 如果唔想全世界知你個樣，"Profile Photo" 請設成 "My Contacts" * 唔想俾人轉寄嘅訊息連結返自己度，"Forwarded

Safeguard your identity when using Telegram

* Create Telegram account with a phone number without associating with your identity. * Add a "username". Share "username" instead of "phone number" to others. * There are a lot of options inside the "Privacy and Security" page. * Never let other search you by phone

Enable IPv6 on Docker on DigitalOcean

* Enable IPv6 on the Droplet * Note the IPv6 detail (the data below is for demo only) PUBLIC IPV6 ADDRESS: aaaa:bbbb:cccc:dddd:eeee:ffff:1001 PUBLIC IPV6 GATEWAY: aaaa:bbbb:cccc:dddd:eeee:ffff:1 CONFIGURABLE ADDRESS RANGE: aaaa:bbbb:cccc:dddd:eeee:ffff:1000 - aaaa:bbbb:cccc:

Multi-boot Windows 10, Ubuntu 18.04 and Android on Surface Pro 6

Windows 10 is shipped with Surface Pro 6. I don't use it normally. I just plan to restore everything to factory setting when I sell the Surface in the future. Install Ubuntu following this guide. This guide applies on Android x86, and also Bliss OS. At the time

Dual boot Windows 10 and Ubuntu 18.04 with Ubuntu encrypted

Run GParted * Resize for some free space * Create an ext4 400MB /boot on the free space (It will become /dev/nvme0n1p5 in my case) * Create an ext4 partition on the remaining space (It will become /dev/nvme0n1p6 in my case) Run Terminal sudo cryptsetup luksFormat /dev/nvme0n1p6 * type YES and

Use Linux on Chrome OS with crouton

Navigate to crouton project page https://github.com/dnschneid/crouton Run crouton and it will install automatically. The command below: -e means enable encryption -t means the extensions to be installed -r the Linux distribution going to install (xenial by default) -n the name you give the installed Linux sudo

Build FFMpeg on Ubuntu 18.04

Get the Dependencies sudo apt update -qq && sudo apt -y install \ autoconf \ automake \ build-essential \ cmake \ git-core \ libass-dev \ libfreetype6-dev \ libsdl2-dev \ libtool \ libva-dev \ libvdpau-dev \ libvorbis-dev \ libxcb1-dev \ libxcb-shm0-dev \ libxcb-xfixes0-dev \ pkg-config \ texinfo \ wget \ zlib1g-dev \ openssl \ libssl-dev In your home directory make a new directory to put all of the source code and

Set-up NGINX RTMP server on Ubuntu 18.04

Set-up NGINX RTMP server on Ubuntu 18.04

Install required packages sudo apt-get install build-essential libpcre3-dev libssl-dev zlib1g-dev Download NGINX source http://nginx.org/download/ wget http://nginx.org/download/nginx-1.15.2.tar.gz tar -zxvf nginx-1.15.2.tar.gz Download NGINX RTMP module source https://github.com/arut/nginx-rtmp-module git clone https://github.com/arut/

Best practice of Python requests

import requests from requests.adapters import HTTPAdapter from requests.packages.urllib3.util.retry import Retry def requests_retry_session( retries=3, backoff_factor=0.3, status_forcelist=(500, 502, 504), session=None, ): session = session or requests.Session() retry = Retry( total=retries, read=retries, connect=retries, backoff_factor=backoff_factor, status_

Gitea on Docker

Gitea on Docker

Gitea is a lightweight GIT repository management application written in GO-Language. 10022 is the SSH port for GIT command 10080 is the HTTP port for the web interface docker run -d --name=gitea -p 10022:22 -p 10080:3000 -v /var/lib/gitea:/data gitea/gitea:latest Source: https://docs.

Unlock and root Android with Magisk

Unlock and root Android with Magisk

In order to get full control on your Android, you have to get the root access (superuser power). To do so, the /system directory should be made writable. But obviously it is read-only by default. So you are reading this blog. Android comes with unlocked bootloader, so you cannot flash

Get 100% score on SSLLabs with NGINX and Let's-Encrypt

Get 100% score on SSLLabs with NGINX and Let's-Encrypt

SSL Labs is a collection of documents, tools and thoughts related to SSL. It's an attempt to better understand how SSL is deployed, and an attempt to make it better. I hope that, in time, SSL Labs will grow into a forum where SSL will be discussed and

Setup Wireguard on Ubuntu 18.04 and Android Oero

Setup Wireguard on Ubuntu 18.04 and Android Oero

WireGuard is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPSec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN. WireGuard is designed as a general purpose VPN for running