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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having a myriad of driver-related issues (graphics, internet, etc.)

i'm fairly new to Linux, so if there's any information i'm missing then please be patient with me! for reference, here are my hardware specifications: https://pastebin.com/RTV0WRVg a fresh install of ...
Tri's user avatar
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Appcenter is not showing all application on repos

I have installed 6.1 version.I realised that a lot of apps in repos not showing on appcenter. I have updated via apt but this issue is keeping on.
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Operating System Updates fail in AppCenter. Runs for 1 second, stops, and the updates are still pending. (grub related packages held back.)

sudo apt upgrade results in: "The following packages have been kept back: grub-common grub-pc grub-pc-bin grub2-common shim shim-signed": michael@elementaryOS-phy:/$ sudo apt upgrade Reading ...
Michael Rhodes's user avatar
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Unable to do any install, upgrade, ... using apt

Did complete reinstall of Elementary OS 6.0 and so far so good. After installing, upgrading, ... all the necessary packages i was pretty content with it. Since last week Apt is mentioning that it can'...
Tim Schelfhout's user avatar
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Elementary os 6 can't sudo apt-get update or any other apt-get

It returns the following after $ sudo apt update or $ sudo apt-get update or etc... Err:12 http://ppa.launchpad.net/mpstark/elementary-tweaks-daily/ubuntu focal Release 404 Not Found [IP: 91.189....
Alexandros Petridis's user avatar
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Cannot Update: Failed to update “Shortcuts”

I have Elementary OS 6 Odin installed on a laptop that can triple boot Windows, Elementary and Zorin OS. When I try to update it from the ApppCenter, I get this message (can't install any software too)...
Your4Favorite0Agent's user avatar
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AppCenter not updating

I was hoping you could help me to the right direction. I have seen another post with the exact same issue though it was unanswered. AppCenter is showing the following components to be updated however ...
Santiago Squarzon's user avatar
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Apt update fails with Error 401 Unauthorized

Issue: $ sudo apt upgrade -y Err:1 https://pkg.surfacelinux.com/debian release/main amd64 libwacom-surface amd64 1.12-2 401 Unauthorized [IP: 185.199.110.133 443] Err:2 https://pkg.surfacelinux....
Nick's user avatar
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Elementary OS 6 not booting - drops into initramfs prompt

The issue has occurred after the accepted solution to https://unix.stackexchange.com/questions/675425/regular-update-broke-initramfs-on-elementary-os-6/675476#675476 This is how my screen looks when I ...
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Default Music app invisible by apt

Is it just me? Default music app is not listed by apt package manager. If you type apt list --installed | grep io.elementary.music nothing is found, but it is possible to launch app from terminal. I ...
Al.ien's user avatar
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postgress still showing in apt update even after uninstall

I have uninstall postgress sql from my machine with command: sudo apt-get --purge remove postgresql sudo apt-get purge postgresql* sudo apt-get --purge remove postgresql postgresql-doc postgresql-...
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Workaround: How to fix GTK theme issue installed from APT

I've installed Elementary Odin wanting to give the Elementary OS dark mode a try. I really liked the dark theme but was upset that when I installed a GTK application from APT not Flatpak it gives you ...
TheLamerLinux's user avatar
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2 answers
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Can I run 'sudo apt autoremove' safley?

I'm just wondering if I can run sudo apt autoremove with the following packages installed. I have run it a number of times before on ubuntu and I am on a laptop and sometimes the GUI fails, sound card ...
Robert Johnstone's user avatar
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"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: /...
Patrick's user avatar
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399 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 ...
ohspinoza's user avatar
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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-...
eric_kernfeld's user avatar
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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 ...
Jayt's user avatar
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(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-...
watson's user avatar
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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 ...
AndyD's user avatar
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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 ...
Russell Hynes's user avatar
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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 ...
gaetgu's user avatar
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3 answers
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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 ...
adamdesign's user avatar
2 votes
1 answer
139 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 ...
Joy's user avatar
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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: ...
gaetgu's user avatar
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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 ...
Fatih19's user avatar
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1 answer
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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
Fatih19's user avatar
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1 answer
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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 ...
benchi's user avatar
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1 answer
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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 ...
George's user avatar
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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): ...
Arthur's user avatar
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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?
Dave Levy's user avatar
1 vote
1 answer
328 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 ...
Matt Diamond's user avatar
1 vote
0 answers
150 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 > /...
Kiz's user avatar
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1 answer
640 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 ...
Adrián Bejdev's user avatar
1 vote
0 answers
35 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 ...
Luca Franco's user avatar
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1 answer
1k 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... ...
Milk's user avatar
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1 vote
1 answer
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 ...
Rajesh Sarker's user avatar
1 vote
1 answer
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 ...
Itaketedue's user avatar
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1 answer
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 ...
Matthew's user avatar
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1 answer
248 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 ...
Bas's user avatar
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0 votes
1 answer
345 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 ...
dackdel's user avatar
1 vote
1 answer
737 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 ...
Taketime's user avatar
1 vote
1 answer
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 ...
Martin Linklater's user avatar
2 votes
2 answers
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-...
user16493's user avatar
2 votes
2 answers
1k 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 ...
Andy Meza III's user avatar
0 votes
2 answers
195 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 ...
Harsh Vardhan's user avatar
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1 answer
142 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 ...
Romain's user avatar
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2 votes
2 answers
901 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 ...
MightyPolo's user avatar
1 vote
1 answer
3k 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» ...
Guillermo N's user avatar
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2 answers
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-...
Guillermo N's user avatar
0 votes
1 answer
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 ...
Mendicant Bias's user avatar