sudo apt install python3-certbot-apache

sudo certbot --apache -d my.domain

定時更新憑證
sudo crontab -e
30 4 1,21 * * /usr/bin/certbot renew –dry-run

sudo certbot certonly –server https://acme-v02.api.letsencrypt.org/directory –manual –preferred-challenges dns -d ‘*.lifenet.com.tw’
sudo certbot certonly –server https://acme-v02.api.letsencrypt.org/directory –webroot –preferred-challenges dns -d ‘*.lifenet.com.tw’

https://osoyoo.com/2018/07/26/osoyoo-lora-tutorial-how-to-use-the-uart-lora-module-with-arduino/

http://wyj-learning.blogspot.com/2018/01/arduino-04-blynk-arduino.html

https://philipzheng.gitbooks.io/docker_practice/content/

https://magiclen.org/ubuntu-server-email/