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Manjaro broadcom WLAN fix

Problem

Manjaro installation doesn't offer any WLAN connections.

Solution

1. Connect the device to the internet through ethernet, phone-to-USB or other available method.

2. Uninstall current drivers:

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Manjaro disable bluetooth at login

Problem

Manjaro automatically turns on bluetooth at login.

Solution

1. Run the following command:

   gsettings set org.blueman.plugins.powermanager auto-power-on false
   

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Xmodmap macOS configuration

Xmodmap configuration that swaps ctrl and cmd keys to achieve macOS-like behaviour.

Installation

1. Open or create .Xmodmap file in your ~/ folder.

2. Paste the following code into that file:

   ! -*- coding: utf-8 -*-
   

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Secure Nginx server guide

This gist will guide you through the setup of a basic Nginx web server using Debian-based Linux distribution.

It is primarily focused on securing the access to the server via various protocols and limiting user permissions.

Launch the server

1. Launch a server with Ubuntu 19.04 or other Debian-based distribution.
2. Log in using SSH with the server IP:

ssh root@SERVER-IP

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MySecureShell custom configuration

A simple secure SFTP setup.

New users have disabled bash and similar shells, are allowed to authenticate with password, and are jailed in their home directory.

Configuration

The initial setup to prepare for an easy user management.

SSH

Disable password authentication for all users with an exception for sftp-only group.

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Direct Manjaro CPU fan control

If your CPU clock is constantly running at high frequency, consuming too much power and keeping the laptop constantly hot, consider using cpupower and mbpfan-git packages:

yaourt -S mbpfan-git cpupower
sudo systemctl enable mbpfan
sudo systemctl enable cpupower

The mbpfan-git controls fan actions while cpupower sets CPU governor to configured performance mode set in /etc/default/cpupower file:

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Raspberry Pi Raspbian 64bit headless setup

A step-by-step guide for running a headless Raspbian 64bit kernel and OS on Raspberry Pi. The provided configuration has been tested on models 3B, 3B+ and 4B.

Instructions

1. Download the Raspberry Pi Imager application.

2. Use the application to download Raspbian Lite (under Raspbian (other)) and write the image on your SD card.

3. Setup wireless connection configuration by creating wpa_supplicant.conf file in the boot folder:

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Importing a local plugin into Gatsby

Instructions

1. Include the plugin in plugins folder by following the official documentation.
2. Update webpack config in the gatsby-node.js file:

   const path = require('path')
   

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useWindowSize.js:

import {useState, useEffect} from 'react';

const REFRESH_TIMEOUT = 150;

const useWindowSize = () => {
  const getSize = () => ({
    width: window.innerWidth
      || document.documentElement.clientWidth