Ubuntu (20) https://matsumana.wordpress.com/2011/04/25/ubuntu%E3%81%A7lua3-u2-agt%E3%82%92%E4%BD%BF%E3%81%86/https://qastack.jp/superuser/331720/how-do-i-set-the-priority-of-network-connections-in-ubuntuhttps://askubuntu.com/questions/1008…