112.11.06
https://www.guru99.com/
https://ubunlog.com/zh-TW/linux%E6%87%89%E7%94%A8%E5%95%86%E5%BA%97%E7%B5%82%E6%A5%B5linux%E6%87%89%E7%94%A8%E5%95%86%E5%BA%97/
https://www.cyberciti.biz/faq/category/debian-ubuntu/
https://linuxtechlab.com/
https://www.tecmint.com/