なんかよく見る奴
Get:1 http://ftp.jp.debian.org/debian buster InRelease [122 kB] Err:1 http://ftp.jp.debian.org/debian buster InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 648ACFD622F3D138 NO_PUBKEY 0E98404D386FA1D9 NO_PUBKEY DCC9EFBF77E11517 Reading package lists... W: GPG error: http://ftp.jp.debian.org/debian buster InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 648ACFD622F3D138 NO_PUBKEY 0E98404D386FA1D9 NO_PUBKEY DCC9EFBF77E11517 E: The repository 'http://ftp.jp.debian.org/debian buster InRelease' is not signed. E: apt-get update -oAPT::Status-Fd=<$fd> -oDpkg::Use-Pty=false failed
正しいやり方はここを参照する
zenn.dev
正しくない追加方法
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138 sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9 sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys DCC9EFBF77E11517
