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How to setup next.js app on nginx with letsencrypt

next.js, nginx, reverse-proxy, ssl

1. Install nginx and letsencrypt

$ sudo apt-get update
$ sudo apt-get install nginx letsencrypt

Also enable nginx in ufw

Comparison table for ESP8266/ESP32/ESP32-S2/ESP32-S3/ESP32-C3/ESP32-C6

A minimal table to compare the Espressif's MCU families.

	ESP8266	ESP32	ESP32-S2	ESP32-S3	ESP32-C3	ESP32-C6
Announcement Date	2014, August	2016, September	2019, September	2020, December

Change Arc Browser Icon

A collection of commands that change the Arc Browser icon on macOS.

Commands

Theme	Command
Candy Arc	`defaults write company.thebrowser.Browser currentAppIconName candy`

Checking your Raspberry Pi's view of its power supply

Sometimes it seems like the first (and sometimes only) advice you get offered for almost any problem with a Raspberry Pi is "check your power supply". You think something like:

"hey, I'm using an official power supply sold as being matched with my Pi so how can there be any problem?"

You look up the specs then stick a controlled load across your supply and confirm that it can deliver the required number of Watts.

Yet your problems persist…

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

Direct copy of pre-encoded file:

$ ffmpeg -i filename.mp4 -codec: copy -start_number 0 -hls_time 10 -hls_list_size 0 -f hls filename.m3u8

Handling Multiple Github Accounts on MacOS

The only way I've succeeded so far is to employ SSH.

Assuming you are new to this like me, first I'd like to share with you that your Mac has a SSH config file in a .ssh directory. The config file is where you draw relations of your SSH keys to each GitHub (or Bitbucket) account, and all your SSH keys generated are saved into .ssh directory by default. You can navigate to it by running cd ~/.ssh within your terminal, open the config file with any editor, and it should look something like this:

Host *
 AddKeysToAgent yes

> UseKeyChain yes

	# Based on this answer: https://stackoverflow.com/a/61859561/1956278

	# Backup old data
	Rename-Item -Path "./data" -NewName "./data_old"

	# Create new data directory
	Copy-Item -Path "./backup" -Destination "./data" -Recurse
	Remove-Item "./data/test" -Recurse
	$dbPaths = Get-ChildItem -Path "./data_old" -Exclude ('mysql', 'performance_schema', 'phpmyadmin') -Recurse -Directory
	Copy-Item -Path $dbPaths.FullName -Destination "./data" -Recurse

	$reboot
	bash: /sbin/reboot: Input/output error

	$shutdown -r now
	bash: /sbin/shutdown: Input/output error

	#
	# if the above reboot commands doesn't work try either forced reboot or shutdown
	#

	Windows Registry Editor Version 5.00

	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation]
	"RealTimeIsUniversal"=hex(b):01,00,00,00,00,00,00,00