tian@node24 ~/D> sau Ign:1 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan InRelease Ign:2 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-updates InRelease Ign:3 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-backports InRelease Ign:4 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-security InRelease Ign:5 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-proposed InRelease Err:6 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan Release 404 Not Found [IP: 101.6.8.193 443] Err:7 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-updates Release 404 Not Found [IP: 101.6.8.193 443] Err:8 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-backports Release 404 Not Found [IP: 101.6.8.193 443] Err:9 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-security Release 404 Not Found [IP: 101.6.8.193 443] Err:10 https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-proposed Release 404 Not Found [IP: 101.6.8.193 443] Hit:11 http://packages.microsoft.com/repos/vscode stable InRelease Hit:13 http://dk.archive.ubuntu.com/ubuntu xenial InRelease Ign:12 http://www.analizo.org/download ./ InRelease Get:14 http://www.analizo.org/download ./ Release [2,740 B] Reading package lists... Done E: The repository 'https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan Release' no longer has a Release file. 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. E: The repository 'https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-updates Release' no longer has a Release file. 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. E: The repository 'https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-backports Release' no longer has a Release file. 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. E: The repository 'https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-security Release' no longer has a Release file. 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. E: The repository 'https://mirrors.tuna.tsinghua.edu.cn/ubuntu eoan-proposed Release' no longer has a Release file. 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.
deb https://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ eoan main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ eoan main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ eoan-security main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ eoan-security main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ eoan-updates main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ eoan-updates main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ eoan-backports main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ eoan-backports main restricted universe multiverse
