Questions tagged [apt]

Advanced Packaging Tool, the package manager for Debian-based distributions. It is also the most used tool for installing packages in Ubuntu. Questions about using any of the apt tools should use this tag.

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54 views

“Invalid key resource URL” When adding key for Elementary tweaks

Hello every one I recently intalled Elementary OS and now I get some issues when trying to add new repositorys. I wanted to install Elementary OS tweaks and I'm getting the following error Executing: /...
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Apt related error (maybe appcenter?)

Sometimes, I think when I use AppCenter, my laptop randomly starts overworking itself. Upon investigation, it turns out that the log file /var/log/apt/term.log gets spammed with the lines Use of ...
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Can't remove packages after removal of third party repository

Seeing how Ubuntu 18.04 has an EOL version of PHP in the package repository, I ended up following this tutorial to install a newer PHP version. All seemed fine, but I ended up wanting to remove this ...
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20 views

ElementaryOS repository doesn' t upgrade propertly

The repositories at launchpad and the app center one are down and giving sha issues when I try to upgrade my fresh installed ElementaryOS 5.1.7, I fix the issue using sudo apt upgrade --fix-missing ...
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2answers
158 views

Error when trying sudo apt-get update

I have the Hera OS 5.1. Now when I want to run sudo apt-get update I got the following errors. What can I do? Thanks in advance. Err:16 http://ppa.launchpad.net/djart/minidlna/ubuntu bionic Release ...
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155 views

Install R 3.6.3 on elementary OS: unmet dependencies

I couldn't find R or Rstudio on the built-in Elementary app store thingie, so I'm following instructions from the R project to install R in my new Elementary OS sandbox. sudo apt-get install r-base-...
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1answer
36 views

Installing 'Lightzone' as a linux n00b

I'm hoping someone can help me. I'm trying out elementary os as a desktop os and have so far been impressed by how much of my home computing use is covered straightaway. installing a few extra apps ...
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1answer
250 views

(SOLVED) apt-get is trying to uninstall everything I've ever installed!

This evening, I installed the latest stable release (version 10) of LLVM, Clang, etc.. I used these commands: sudo apt-get install libllvm-10-ocaml-dev libllvm10 llvm-10 llvm-10-dev llvm-10-doc llvm-...
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31 views

Can't update becase of 'Appstream'

when i try to update my system via apt-get update or appcenter i get this message: The AppStream system cache was updated, but some errors were detected, which might lead to missing metadata. Refer ...
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1answer
173 views

Updating Hera: Expected bionic but got trusty

When I check for updates on AppCenter, I get an error message "failed to fetch updates" W: Conflicting distribution: http://ppa.launchpad.net/deadsnakes/ppa/ubuntu bionic InRelease (expected bionic ...
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1answer
299 views

add-apt-repository not working

When I try running sudo add-apt-repository ppa:openrazer/stable it hangs. I am on Elementary OS 5.1 Hera. No other repositories work. I have install software-properties-common and its dependencies. If ...
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1answer
324 views

404 NOT FOUND adding tweaks

this is a similar issue to this question by me. I just got a fresh install of EOS 5.1, so I am starting from scratch. I am trying to get Elementary Tweaks so I can install a custom theme, but when I ...
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3answers
88 views

File manager deleted after update, now can't reinstall it (broken dependencies)

After a recent update and apt autoremove, the Elementary OS files app was somehow removed. I tried to reinstall it from the appstore, only for it to complain that tumbler and tumbler extras needed ...
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1answer
100 views

Can't install/remove, upgrade/update ANYTHING

I use OpenOffice, but got curious why so many Linux users and distributions are more into LibreOffice, so I downloaded it to check it out. When I tried to install it (a while back) I got an error ...
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1answer
93 views

404 Not Found error while running Apt and AppStore EOS Juno

when I open the app store in EOS Juno I am getting these errors: Failed to Fetch Updates This may have been caused by external, manually added software repositories or a corrupted sources file. E: ...
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1answer
751 views

No module named apt_pkg

Had this error while trying to install Lutris :sudo add-apt-repository ppa:lutris-team/lutris and then this came out : Traceback (most recent call last): File "/usr/bin/add-apt-repository", line ...
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1answer
55 views

Error with appcenter likely connected with python

I got this code when I open the appcenter. I recently dabbled in installing python stuff so might be connected to it. Also, when I ran sudo apt-update, this came out : Error Message
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1answer
73 views

Fresh Juno install can't update/install any packages

I've just completed a fresh install of 5.0 from the ISO on the website, but am unable to update/upgrade packages. Trying to run sudo apt update, or install anything from the AppCentre both result in ...
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1answer
25 views

Determine Missing Files

I am very new to Linux. My question is this : I have installed CodeBlocks IDE from the AppCenter, and tried to compile a simple "Hello World" program to no avail. After researching and looking at ...
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347 views

Error: could not find a distribution template for elementary/juno

I have a problem on my elementary os Juno. So when I want to add a ppa, it answers me : arthur@arthur:~$ sudo add-apt-repository ppa:mpstark/elementary-tweaks-daily Traceback (most recent call last): ...
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1answer
164 views

How to know which packages I have installed manually?

Where on the web is Loki's install manifest file? I want to compare it with the current build to see what I have installed? Or is there another way?
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1answer
209 views

Update error - signatures couldn't be verified because the public key is not available

I installed a few days ago(monday I think) elementary OS 5.0 Juno. Everything went really good, I'ma pretty experienced Linux user, I've been using ubuntu,elementary os and linux in general for quite ...
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0answers
113 views

Failed to fetch update

full details from image E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/lib/command-not-found/ -a -e /usr/lib/cnf-update-db; then /usr/lib/cnf-update-db > /...
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1answer
341 views

Native videos app can't play some type of videos

I have a problem with the native videos app: I'm not able to play specific videos in it (Screen is black) while I can play some other videos. Using VLC (Which somehow can play the target files with ...
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0answers
30 views

I accidentally deleted the file /lib/ld-lsb.so.3

I accidentally deleted the file /lib/ld-lsb.so.3. I wanted to know if it's a necessary file to guarantee the good functionality of the system (last version of Elementary OS, equivalent to bionic ...
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1answer
503 views

Packages have unmet dependencies error

whenever i try to install anything, i get that. Me and my dumb self also decided to uninstall appcenter, this is another problem im having, sudo apt-get install appcenter Reading package lists... ...
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1answer
1k views

Update error unexpected size

Input code : sudo apt update Output with error : Get:1 http://bd.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB] Hit:2 http://security.ubuntu.com/ubuntu bionic-security InRelease ...
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1answer
2k views

Error when running `sudo apt-get update`

I've got the following error(s): Hit:1 http://ro.archive.ubuntu.com/ubuntu bionic InRelease Hit:2 http://ppa.launchpad.net/elementary-os/stable/ubuntu bionic InRelease ...
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1answer
2k views

Repository „cdrom://elementary OS 5.0 _Juno_ - Stable amd64 (20181016) bionic Release“ does not contain the Release file

How can i solve this ? E: Repository „cdrom://elementary OS 5.0 _Juno_ - Stable amd64 (20181016) bionic Release“ does not contain the Release file. W: An update from this repository can not be ...
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1answer
207 views

Grub2 unknown filesystem after apt dist-upgrade

Yesterday I did a apt dist-upgrade on my Juno installation. This morning I found my PC unbootable. Since I couldn't find a fix for it, I started to reinstall my system. After a clean install (on a ...
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1answer
332 views

Getting an error on update

I am running eos juno on a razer blade late 2016 model laptop. I tried to do a sudo apt-get update && upgrade on terminal Err:13 http://in.archive.ubuntu.com/ubuntu bionic-updates/main i386 ...
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1answer
403 views

Low disk space on file system

Low disk space on file system message on: Elementary: elementary OS Freya (64-bit) Built on "Ubuntu 14.04 LTS" File manager: Files 0.2.4 I want to create more disk space and running the command df-h ...
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1answer
8k views

Can't install elementary-tweaks on Juno

I'm trying to install elementary-tweaks on Juno but adding the ppa is causing an error. Here is my console output... Err:7 http://ppa.launchpad.net/philip.scott/elementary-tweaks/ubuntu bionic ...
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2answers
1k views

Accidentally created a bad source list- How to delete it?

I'm new to Linux and was attempting to install the Brave Browser using the instructions on the website, listed below: curl -s https://brave-browser-apt-release.s3.brave.com/brave-core.asc | sudo apt-...
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2answers
913 views

Brave Browser and repo update

I have tried to add the repo for Brave Browser. It adds fine, but then I get this problem with it being insecure. How can I add this repo to an exceptions list? I understand apt is going to phase out ...
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2answers
146 views

Error on launching the “App Store”

I get the following error when I launch the AppCentre. It reads E: Repository 'http://dl.google.com/linux/chrome/deb stable Release' changed its 'Origin' value from 'Google, Inc.' to 'Google LLC' I ...
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1answer
123 views

Apt repo add with human error, empty AppCenter

I installed Elementary OS since 2 weeks now, and I wanted to install Syncthing, what I did... But I went to this page and due to my window width, I typed 2 commands instead of one : echo "deb ...
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2answers
747 views

Fresh installation - apt-get update fails with 403 forbidden

I am quite new to Linux. After I did fresh install from iso and update system components from AppCenter(appcenter) I wanted to install net-tools using apt-get. firstly I did sudo apt-get update but ...
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1answer
2k views

Repository problems, on a new installed Juno

After a brand new installation of Elementaty Juno (I come from Linux Mint) I got errors like this one, when updating the system: El repositorio «http://packages.elementary.io/appcenter juno Release» ...
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2answers
2k views

Problems installing elementary tweaks in Juno

Following these steps: sudo add-apt-repository -y ppa:philip.scott/elementary-tweaks sudo apt update sudo apt install elementary-tweaks I get this output, indicating an error: guillermo@guillermo-...
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1answer
1k views

Juno Failed to Fetch Updates - Missing Release file

I've just installed elementary OS Juno, but I'm getting into trouble when I try to get updates, both via AppCenter or terminal. It seems it cannot fetch updates since it cannot find Release file in ...
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3answers
1k views

Can't install Mega on Juno

On Juno the default Mega deb package is not installing because of missing dependencies which using sudo apt install -f does not resolve. In face of better solution I came here to see what can be done, ...
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2answers
3k views

Cannot install gcc and g++ on Elementary OS Juno

Yesterday, I installed Elementary OS Juno. This is a fresh install. When I tried to install g++ it gave me following stream of Errors. Basically some dependencies are unmet. When I tried to install ...
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1answer
191 views

Unable to update the system using apt

This is what I see when I run sudo apt-get update on terminal, http://packages.elementary.io/appcenter/dists/bionic/InRelease 403 Forbidden [IP: 104.28.4.44 80] E: El repositorio «http://...
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1answer
2k views

Juno sources - no release file

I have just installed Juno but cannot update. sudo apt update [sudo] password for cipeos: Sorry, try again. [sudo] password for cipeos: Ign:1 http://ppa.launchpad.net/elementary-os/...
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1answer
219 views

Can't upgrade my packages

Short version: I can't upgrade my packages (I'm using Elementary OS 0.4.1, based on Ubuntu - that's why I'm asking here). Long version: First step I try fetching package informations via sudo apt-...
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1answer
632 views

How configure apt-get with proxy

I'm new one on elementary, I work behind a proxy. I cant get work apt -get behind a proxy , i tried to edit /etc/apt/apt.conf but i can't find, thanks for your help
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1answer
93 views

Broken apport return [Sub-process /usr/bin/dpkg returned an error code (1)]

When I try to update the system or install updates through: sudo apt update; sudo apt upgrade -y; I get an error: Sub-process /usr/bin/dpkg returned an error code (1) When processing the following ...
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1answer
2k views

Cannot install Elementary Tweaks in Loki (no release file for the repo)

I'm back to elementary after some absence and I hope to keep using it, but I have no big incentive so far. After discovering that adding repos was disabled by default, as well as the Ubuntu's ...
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0answers
43 views

The repository 'http://http.us.debian.org/debian xenial Release' does not have a Release file [duplicate]

When I try update my elementary OS I get these error messages: W: The repository 'http://http.us.debian.org/debian xenial Release' does not have a Release file. N: Data from such a repository can't ...