我一直无法运行sudo apt update 除非我激活了 VPN，在这种情况下它运行良好。这种行为至少从 22.04 开始就一直存在，刚升级到 23.04 仍然存在。
我收到的错误消息是：
Err:8 http://archive.ubuntu.com/ubuntu lunar InRelease
Could not connect to archive.ubuntu.com:80 (2001:67c:1562::18). - connect (101: Network is unreachable) Could not connect to archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) Could not connect to archive.ubuntu.com:80 (2620:2d:4000:1::19). - connect (101: Network is unreachable) Could not connect to archive.ubuntu.com:80 (2620:2d:4000:1::16). - connect (101: Network is unreachable) Could not connect to archive.ubuntu.com:80 (91.189.91.38), connection timed out Could not connect to archive.ubuntu.com:80 (185.125.190.36), connection timed out Could not connect to archive.ubuntu.com:80 (91.189.91.39), connection timed out Could not connect to archive.ubuntu.com:80 (185.125.190.39), connection timed out
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/lunar-updates/InRelease Unable to connect to archive.ubuntu.com:http:
W: Some index files failed to download. They have been ignored, or old ones used instead.
一个可能相关的症状是，在显示网络连接的屏幕右上角，显示了一个?Wi-Fi 符号。
我已经尝试在家庭网络上使用以太网和 WiFi，以及使用热点。
我尝试了各种建议的解决方案，包括编辑我的/etc/apt/sources.list，更改服务器位置，但到目前为止都没有任何效果。
有想法该怎么解决这个吗？