小编Lew*_*oss的帖子

我正在尝试将我的系统从 Ubuntu 20.04 LTS 升级到 Ubuntu 22.04 LTS。我做到了

% sudo apt update
% sudo apt upgrade
% sudo apt autoremove
% sudo do-release-upgrade

它顺利地犁了几分钟，然后发生了这种情况：

Installing the upgrade can take several hours. Once the download has 
finished, the process cannot be canceled. 

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Err https://esm.ubuntu.com/apps/ubuntu jammy-apps-security/main amd64 python2.7-dev amd64 2.7.18-13ubuntu1.1+esm2                                 
  401  Unauthorized [IP: 2001:67c:1562::21 443]                                                                                                   
Err https://esm.ubuntu.com/apps/ubuntu jammy-apps-security/main amd64 python2.7 amd64 2.7.18-13ubuntu1.1+esm2                                     
  401  Unauthorized [IP: 2001:67c:1562::21 443]                                                                                                   
Err https://esm.ubuntu.com/apps/ubuntu jammy-apps-security/main amd64 libpython2.7-dev amd64 2.7.18-13ubuntu1.1+esm2                              
  401  Unauthorized [IP: …