업데이트 명령이 동일한 ppa를 표시하는 이유는 무엇입니까?

업데이트 명령이 동일한 ppa를 표시하는 이유는 무엇입니까?

다음 명령을 사용하여 Ubuntu 18.04.1 LTS Bionic Beaver에 Atom 텍스트 편집기를 설치했습니다.

sudo apt-get install atom

설치 프로세스를 중지했으며 이제 명령을 실행할 때마다:-

sudo apt update

출력은 다음과 같습니다:-

Hit:1 http://ppa.launchpad.net/webupd8team/atom/ubuntu bionic InRelease
Reading package lists... Done
Building dependency tree       
Reading state information... Done
All packages are up to date.

Atom을 다시 설치하려고 할 때마다 다음과 같은 결과가 나타납니다.

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 atom : Depends: gvfs-bin but it is not installable
E: Unable to correct problems, you have held broken packages.

이제 다음을 사용하여 터미널에서 패키지를 설치하려고 할 때마다:

sudo apt-get install "package-name"

다음과 같은 출력이 표시됩니다. 이 패키지에 대한 설치 후보가 없습니다.

예를 들어, rpm을 설치하면 출력은 다음과 같습니다.

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package rpm is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'rpm' has no installation candidate

[*EDIT] 이제 실행하면 sudo apt update모든 것이 정상이지만 마지막에 이상한 출력이 나타납니다.

E: Some index files failed to download. They have been ignored, or old ones used instead.
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W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target Translations (main/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target CNF (main/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target DEP-11 (restricted/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target CNF (restricted/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list.d/official-package-repositories.list:5
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target Translations (universe/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target DEP-11 (universe/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target DEP-11 (universe/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target DEP-11-icons (universe/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target CNF (universe/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list.d/official-package-repositories.list:16
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target Translations (multiverse/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target DEP-11 (multiverse/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target DEP-11 (multiverse/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target DEP-11-icons (multiverse/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target CNF (multiverse/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:26 and /etc/apt/sources.list.d/official-package-repositories.list:26
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target Translations (main/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target CNF (main/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target DEP-11 (restricted/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target CNF (restricted/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:10 and /etc/apt/sources.list.d/official-package-repositories.list:10
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target Translations (universe/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target DEP-11 (universe/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target DEP-11 (universe/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target DEP-11-icons (universe/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target CNF (universe/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:18 and /etc/apt/sources.list.d/official-package-repositories.list:18
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target Translations (multiverse/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target DEP-11 (multiverse/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target DEP-11 (multiverse/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target DEP-11-icons (multiverse/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target CNF (multiverse/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list.d/official-package-repositories.list:28
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Translations (main/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target CNF (main/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11 (restricted/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target CNF (restricted/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Translations (universe/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11 (universe/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11 (universe/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11-icons (universe/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target CNF (universe/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Translations (multiverse/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11 (multiverse/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11 (multiverse/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target DEP-11-icons (multiverse/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target CNF (multiverse/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:36 and /etc/apt/sources.list.d/official-package-repositories.list:36
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target Translations (main/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target CNF (main/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target DEP-11 (restricted/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target CNF (restricted/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list.d/official-package-repositories.list:46
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target Translations (universe/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target DEP-11 (universe/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target DEP-11 (universe/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target DEP-11-icons (universe/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target CNF (universe/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list.d/official-package-repositories.list:48
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50
W: Target Translations (multiverse/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50
W: Target DEP-11 (multiverse/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50
W: Target DEP-11 (multiverse/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50
W: Target DEP-11-icons (multiverse/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50
W: Target CNF (multiverse/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:50 and /etc/apt/sources.list.d/official-package-repositories.list:50

답변1

메인 저장소 목록 파일이 삭제된 것 같습니다.

다음 명령은 /etc/apt/sources.list다운로드한 Ubuntu 18.04 LTS 이미지 파일에서 얻은 원본 기본 파일을 제공합니다.

sudo echo -e "# Sources.list obtained directly from the downloaded Ubuntu iso image file\ndeb http://archive.ubuntu.com/ubuntu/ bionic main restricted\ndeb http://security.ubuntu.com/ubuntu/ bionic-security main restricted\ndeb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted" > /etc/apt/sources.list

기본 저장소 소스 파일을 생성한 후 다음을 업데이트해야 합니다 apt-cache.

sudo apt-get update

이 시점에서 일부 PPA가 기본 저장소와 충돌하는지 여부에 따라 오류 메시지가 나타날 수 있습니다. 저장소 문제를 해결하기 전에 모든 PPA를 비활성화하는 것이 좋습니다. 그러나 다양한 PPA에서 설치된 일부 소프트웨어에 공식 Ubuntu보다 최신 라이브러리가 필요한 경우 오류가 발생할 수도 있습니다.

업데이트하는 동안 오류가 발생하지 않는다면 아마도 괜찮을 것입니다. 그러나 아래의 덜 제한적인 저장소 목록을 활성화해야 할 수도 있습니다. 콘텐츠를 /etc/apt/sources.list다음 저장소 목록으로 바꿀 수 있습니다.

#deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic universe
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic universe
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic multiverse
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu bionic partner
# deb-src http://archive.canonical.com/ubuntu bionic partner

deb http://security.ubuntu.com/ubuntu bionic-security main restricted
# deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
deb http://security.ubuntu.com/ubuntu bionic-security universe
# deb-src http://security.ubuntu.com/ubuntu bionic-security universe
deb http://security.ubuntu.com/ubuntu bionic-security multiverse
# deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse

외부 링크:

우분투 18.04 ISO(2GB)

완전한 Ubuntu 18.04 LTS의 요지 소스 /etc/sources.list(일반 텍스트)

답변2

@RubberStamp...댓글 섹션에 댓글을 달 수 없습니다. 해당 사용자는 해당 게시물에 댓글을 달 수 있는 권한이 없다고 밝혔습니다.

어쨌든, Atom뿐만 아니라 설치하려고 하는 모든 패키지에 대한 출력은 다음과 같습니다.

E: Unable to locate package "package-name"

또는

E: Package "package-name" has no installation candidate

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