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if [ ! -f .env ]
then
  export $(cat .env | xargs)
fi

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How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

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Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

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#!/bin/bash
#  By B Shea  Dec2018 & Mar2020
#  https://www.holylinux.net

# Test for OpenSSL - if not installed stop here.
if ! [[ -x $(which openssl) ]]; then
  printf "\nOpenSSL not found or not executable.\nPlease install OpenSSL before proceeding.\n\n"
  exit 1
fi

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#!/bin/bash
#  By B Shea  Dec2018 & Mar2020
#  https://www.holylinux.net

# Test for OpenSSL - if not installed stop here.
if ! [[ -x $(which openssl) ]]; then
  printf "\nOpenSSL not found or not executable.\nPlease install OpenSSL before proceeding.\n\n"
  exit 1
fi

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What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

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