【Linux】Ubuntu问题小记：启动时产生Failed输出

问题描述

操作系统：Ubuntu Desktop 20.04.2
Ubuntu启动后，通过SSH远程连接，产生如下输出：

Welcome to Ubuntu 20.04.2 LTS (GNU/Linux 5.8.0-45-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

0 updates can be installed immediately.
0 of these updates are security updates.

Failed to connect to https://changelogs.ubuntu.com/meta-release-lts. Check your Internet connection or proxy settings

Your Hardware Enablement Stack (HWE) is supported until April 2025.
Last login: Wed Mar  3 18:28:50 2021 from 192.168.23.1
ubuntu@ubuntu-virtual-machine:~$

其中的异常为：

Failed to connect to https://changelogs.ubuntu.com/meta-release-lts. Check your Internet connection or proxy settings

解决办法

1. 移除/var/lib/ubuntu-release-upgrader/release-upgrade-available

$ sudo rm /var/lib/ubuntu-release-upgrader/release-upgrade-available

2. 运行/usr/lib/ubuntu-release-upgrader/release-upgrade-motd

$ cd /usr/lib/ubuntu-release-upgrader/
$ ls
check-new-release  check-new-release-gtk  do-partial-upgrade  release-upgrade-motd
$ sudo ./release-upgrade-motd

再次通过SSH远程访问时，经验证该问题消失。

参考资料

1. https://askubuntu.com/questions/919441/failed-to-connect-to-http-changelogs-ubuntu-com-meta-release