sudo wget -O /usr/share/keyrings/gpg-pub-moritzbunkus.gpg https://mkvtoolnix.download/gpg-pub-moritzbunkus.gpg
sudo sh -c 'echo "deb https://mkvtoolnix.download/ubuntu/ focal main" >> /etc/apt/sources.list.d/mkvtoolnix.download.list'
W: GPG 오류: https://mkvtoolnix.download/ubuntu focal Release: 다음 서명들은 공개키가 없기 때문에 인증할 수 없습니다: NO_PUBKEY 74AF00ADF2E32C85
E: The repository 'https://mkvtoolnix.download/ubuntu focal Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
이후에
/etc/apt/sources.list.d/mkvtoolnix.download.list 파일 삭제 후
sudo sh -c 'echo "deb https://mkvtoolnix.download/ubuntu/ $(lsb_release -sc)" >> /etc/apt/sources.list.d/mkvtoolnix.download.list'
E: Malformed entry 1 in list file /etc/apt/sources.list.d/mkvtoolnix.download.list (Component)
E: 소스 목록을 읽을 수 없습니다.
이렇게 오류가 뜨네요.
해결 방법이 있을까요?
