很奇怪的问题（上网）

[poweruser]

ubuntu24.04.1，安装系统后火狐上网没问题，但是网络标识上有问号，应用商店也上不去网。除了浏览器都不能联网。

[poweruser]

zhx@zhx-ThinkPad-E420:~/桌面$ sudo apt-get update
Ign:1 http://security.ubuntu.com/ubuntu noble-security InRelease
Ign:2 http://archive.ubuntu.com/ubuntu noble InRelease
Ign:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease
Ign:4 http://archive.ubuntu.com/ubuntu noble-backports InRelease
Ign:1 http://security.ubuntu.com/ubuntu noble-security InRelease
Ign:2 http://archive.ubuntu.com/ubuntu noble InRelease
Ign:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease
Ign:4 http://archive.ubuntu.com/ubuntu noble-backports InRelease
Ign:1 http://security.ubuntu.com/ubuntu noble-security InRelease
Ign:2 http://archive.ubuntu.com/ubuntu noble InRelease
Ign:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease
Ign:4 http://archive.ubuntu.com/ubuntu noble-backports InRelease
Err:1 http://security.ubuntu.com/ubuntu noble-security InRelease
Could not connect to security.ubuntu.com:80 (::). - connect (111: Connection refused) Could not connect to security.ubuntu.com:80 (124.236.16.201), connection timed out
Err:2 http://archive.ubuntu.com/ubuntu noble InRelease
Could not connect to archive.ubuntu.com:80 (::). - connect (111: Connection refused) Could not connect to archive.ubuntu.com:80 (124.236.16.201), connection timed out
Err:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease
Unable to connect to archive.ubuntu.com:http:
Err:4 http://archive.ubuntu.com/ubuntu noble-backports InRelease
Unable to connect to archive.ubuntu.com:http:
Reading package lists... Done
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/noble/InRelease Could not connect to archive.ubuntu.com:80 (::). - connect (111: Connection refused) Could not connect to archive.ubuntu.com:80 (124.236.16.201), connection timed out
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/ ... /InRelease Unable to connect to archive.ubuntu.com:http:
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/ ... /InRelease Unable to connect to archive.ubuntu.com:http:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists ... /InRelease Could not connect to security.ubuntu.com:80 (::). - connect (111: Connection refused) Could not connect to security.ubuntu.com:80 (124.236.16.201), connection timed out
W: Some index files failed to download. They have been ignored, or old ones used instead.

[tusheng]

是通过什么上网的？ 直接在浏览器上可以打开http://archive.ubuntu.com/ubuntu 吗？
不会除了浏览器，其它地方设置了错误的代理吧

[yawatasensei]

看样子应该不是dns解析的问题，terminal有设置代理吗

[poweruser]

我没有设置过代理，怎么检查是不是有代理？

[poweruser]

是通过什么上网的？ 直接在浏览器上可以打开http://archive.ubuntu.com/ubuntu 吗？
不会除了浏览器，其它地方设置了错误的代理吧

家里的移动宽带，连接的网线。

[tusheng]

终端里，执行 curl https://www.baidu.com 看看能不能打开百度。 可以排除全局代理

/etc/apt/apt.conf 里面设置了apt的代理