— Linux, Virtualbox — OracleVM VirtualBox_Extension_Pack設定 2023-11-03 https://freebsd.sing.ne.jp/tool/08/02/03/02/02.html https://qiita.com/somoriiin/items/b37ef3ada5bd80719b95 https://freebsd.sing.ne.jp/tool/08/02/03/02/02.html