過去数日間、次のメッセージが届きました。
$ 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.
これは私の/etc/apt/sources.listです -
$ 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は大容量ファイルを取得する他の方法と同様にうまく機能します。 git pullも動作します。なぜ問題があるのかよくわかりません。もっと詳しく説明できる方法はないようだから問題が何なのかわかります。