Я полный noob о Ubuntu и использую его на своем офисном ПК. Это подробности моего выпуска:
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial
Я использовал его, не сталкиваясь с какой-либо проблемой в течение последних 6-9 месяцев. У меня есть привычка обновлять систему раз в неделю или около того (sudo apt-get update, sudo apt-get upgrade и sudo apt-get dist-upgrade), и все, казалось, работало идеально, примерно до 2 недель назад.
За последние 2 недели, хотя эти команды начали возвращать множество ошибок. Мой LibreOffice тоже был поврежден, и я удалил его, чтобы установить чистую, но, к моему удивлению, я не могу установить и новую версию. Я следил за множеством тем и делал дюжину вещей, и я боюсь усугубить свою проблему. Я попытался изменить серверы и все, и в процессе моего программного обеспечения и обновлений перестала работать полностью.
Только мой диспетчер пакетов Synaptic и он также возвращает следующую ошибку, когда я пытался перезагрузить пакеты.
Это сообщение, которое я получаю в диспетчере пакетов Synaptic.
The repository 'http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial Release' does not have a Release file.
Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
See apt-secure(8) manpage for repository creation and user configuration details.
Failed to fetch http://ppa.launchpad.net/shutter/ppa/ubuntu/dists/xenial/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Failed to fetch http://ppa.launchpad.net/teejee2008/ppa/ubuntu/dists/xenial/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Failed to fetch http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found
Some index files failed to download. They have been ignored, or old ones used instead.
Это содержимое моих sources.list
#------------------------------------------------------------------------------#
# OFFICIAL UBUNTU REPOS #
#------------------------------------------------------------------------------#
###### Ubuntu Main Repos
deb http://in.archive.ubuntu.com/ubuntu/ xenial main restricted universe multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ xenial main restricted universe multiverse
###### Ubuntu Update Repos
deb http://in.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
deb http://in.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe multiverse
sudo apt-get update
Ign:1 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:2 http://dl.google.com/linux/chrome/deb stable Release
Hit:3 http://in.archive.ubuntu.com/ubuntu xenial InRelease
Hit:5 http://in.archive.ubuntu.com/ubuntu xenial-security InRelease
Hit:6 http://ppa.launchpad.net/apt-fast/stable/ubuntu xenial InRelease
Hit:7 http://in.archive.ubuntu.com/ubuntu xenial-updates InRelease
Ign:8 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial InRelease
Hit:9 http://ppa.launchpad.net/libreoffice/ppa/ubuntu xenial InRelease
Hit:10 http://ppa.launchpad.net/mc3man/xerus-media/ubuntu xenial InRelease
Hit:11 http://ppa.launchpad.net/nemh/systemback/ubuntu xenial InRelease
Get:12 http://ppa.launchpad.net/shutter/ppa/ubuntu xenial InRelease [1,005 B]
Err:12 http://ppa.launchpad.net/shutter/ppa/ubuntu xenial InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Get:13 http://ppa.launchpad.net/teejee2008/ppa/ubuntu xenial InRelease [1,005 B]
Err:13 http://ppa.launchpad.net/teejee2008/ppa/ubuntu xenial InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Ign:14 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial Release
Ign:15 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_IN
Ign:19 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_IN
Ign:19 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_IN
Ign:19 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_IN
Ign:19 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_IN
Ign:19 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Err:15 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
404 Not Found
Ign:16 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_IN
Ign:19 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Fetched 2,010 B in 42s (47 B/s)
Reading package lists... Done
W: The repository 'http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://ppa.launchpad.net/shutter/ppa/ubuntu/dists/xenial/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: Failed to fetch http://ppa.launchpad.net/teejee2008/ppa/ubuntu/dists/xenial/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: Failed to fetch http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.