dev-sareno

SSH Config

Use a multiple ssh keys for different repository/host

/.ssh/config

Host github_repo1.github.com
        User git
        Hostname github.com
        PreferredAuthentications publickey
 IdentityFile C:\Users\User1\.ssh\id_rsa_github_repo1

dev-sareno

Android Google Chrome Remote Devices Without USB Cable

Requirments

• Install https://developer.android.com/studio/releases/platform-tools.html
• USB Cable for initialization
• USB Debugging enabled on Android device

Steps

• Open terminal (CMD etc.)
• Navigate to adb executable $ cd C:\Users\devsareno\AppData\Local\Android\Sdk\platform-tools

dev-sareno

package com.example.app;

import android.os.Bundle;
import android.view.ViewGroup;
import android.webkit.WebSettings;
import android.webkit.WebView;

import com.getcapacitor.BridgeActivity;
import com.getcapacitor.Plugin;

dev-sareno

Local Machine

Build Angular project

$ ng build --prod

This will generate a /dist distribution directory, upload this directory to your server using scp Secure Copy or something else.

Using Secure Copy

$ scp -r dist/my-app root@11.222.3.444:/var/www/my-app.mydomain.com

dev-sareno

Local Machine

Build ReactJS project

$ npm run build

This will generate a /build directory, upload this directory to your server using scp Secure Copy or something else.

Using Secure Copy

$ scp -r build root@11.222.3.444:/var/www/my-app.mydomain.com

dev-sareno

NginX's Reverse Proxy to Cloudflare-protected URL

/etc/nginx/sites-enabled/example.com.conf

server {
    server_name example.com;
    listen [::]:443 ssl;
    listen 443 ssl;

dev-sareno

How to Install Python 3.8 on Ubuntu and Debian

Tested on Debian 10 Buster

Prerequisites

$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install wget  # For downloading file
$ sudo apt-get install xz-utils  # For extracting .tar.xz files

dev-sareno

Python Environment using venv

Install Python3.8 Locally

• https://gist.github.com/dev-sareno/1d2bf9cad3a0dc281f0bb16d501a4388

Noted: Local installation of Python is recommended to avoid conflicting the system-wide Python version.

Install venv

$ apt-get install python3-venv

dev-sareno

Create a Linux Service Using systemd

Create a systemd Service

/etc/systemd/system/djangoexample-boot.service

[Unit]
Description=Service for django.example.com
Before=nginx.service
StartLimitIntervalSec=0

dev-sareno

Creating a Custom Docker Image and Pushing it to Docker Hub

Login to Docker Hub

$ docker login

Pull a Base Docker Image

$ docker run -ti -d --name my-custom-image ubuntu:latest bash