这几天我收到了以下信息——
$ sudo apt update
Hit:1 https://packages.riot.im/debian buster InRelease
Err:2 http://debug.mirrors.debian.org/debian-debug buster-debug InRelease
Could not connect to debug.mirrors.debian.org:80 (217.196.149.232), connection timed out
Err:3 http://debug.mirrors.debian.org/debian-debug unstable-debug InRelease
Unable to connect to debug.mirrors.debian.org:http:
Err:4 http://debug.mirrors.debian.org/debian-debug experimental-debug InRelease
Unable to connect to debug.mirrors.debian.org:http:
Err:5 http://cdn-fastly.deb.debian.org/debian buster InRelease
Could not connect to cdn-fastly.deb.debian.org:80 (151.101.8.204), connection timed out
Err:6 http://cdn-fastly.deb.debian.org/debian-security buster/updates InRelease
Unable to connect to cdn-fastly.deb.debian.org:http:
Err:7 http://cdn-fastly.deb.debian.org/debian unstable InRelease
Unable to connect to cdn-fastly.deb.debian.org:http:
Err:8 http://cdn-fastly.deb.debian.org/debian experimental InRelease
Unable to connect to cdn-fastly.deb.debian.org:http:
Reading package lists... Done
Building dependency tree
Reading state information... Done
8 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: Failed to fetch http://cdn-fastly.deb.debian.org/debian/dists/buster/InRelease Could not connect to cdn-fastly.deb.debian.org:80 (151.101.8.204), connection timed out
W: Failed to fetch http://cdn-fastly.deb.debian.org/debian-security/dists/buster/updates/InRelease Unable to connect to cdn-fastly.deb.debian.org:http:
W: Failed to fetch http://cdn-fastly.deb.debian.org/debian/dists/unstable/InRelease Unable to connect to cdn-fastly.deb.debian.org:http:
W: Failed to fetch http://cdn-fastly.deb.debian.org/debian/dists/experimental/InRelease Unable to connect to cdn-fastly.deb.debian.org:http:
W: Failed to fetch http://debug.mirrors.debian.org/debian-debug/dists/buster-debug/InRelease Could not connect to debug.mirrors.debian.org:80 (217.196.149.232), connection timed out
W: Failed to fetch http://debug.mirrors.debian.org/debian-debug/dists/unstable-debug/InRelease Unable to connect to debug.mirrors.debian.org:http:
W: Failed to fetch http://debug.mirrors.debian.org/debian-debug/dists/experimental-debug/InRelease Unable to connect to debug.mirrors.debian.org:http:
W: Some index files failed to download. They have been ignored, or old ones used instead.
这是我的 /etc/apt/sources.list -
$ cat /etc/apt/sources.list
#### Debian buster #########
deb http://cdn-fastly.deb.debian.org/debian/ buster main contrib non-free
deb-src http://cdn-fastly.deb.debian.org/debian buster main contrib non-free
deb http://cdn-fastly.deb.debian.org/debian-security buster/updates main
deb-src http://cdn-fastly.deb.debian.org/debian-security buster/updates main
#### Debian unstable #########
deb http://cdn-fastly.deb.debian.org/debian unstable main contrib non-free
deb-src http://cdn-fastly.deb.debian.org/debian unstable main contrib non-free
#### Debian experimental #########
deb http://cdn-fastly.deb.debian.org/debian experimental main contrib
deb-src http://cdn-fastly.deb.debian.org/debian experimental main contrib
##### Debian Debug packages #######
deb http://debug.mirrors.debian.org/debian-debug/ buster-debug main
deb http://debug.mirrors.debian.org/debian-debug/ unstable-debug main
deb http://debug.mirrors.debian.org/debian-debug/ experimental-debug main
######## Third party repos #######
deb https://riot.im/packages/debian/ buster main
#deb https://lxqt.debian.net/debian experimental-snapshots main
#deb-src https://lxqt.debian.net/debian experimental-snapshots main
########## Non-free ########
#deb http://www.deb-multimedia.org stretch main non-free
FWIW，wget 可以正常工作，就像任何其他获取大文件的方式一样。甚至 git pull 也可以工作。不知道为什么我有问题。似乎没有办法让它更详细，所以我们知道问题是什么。