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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Graphic glitch after interrupted apt upgrade?

I'm new to this forum, so sorry for any mistakes.. Today I booted my Elementary OS into this (see the screenshot). Blurred or missing texts, no text in menus... But pages and menus a rendering ...
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0answers
17 views

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)...
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63 views

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 ...
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0answers
96 views

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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0answers
98 views

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 ...
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0answers
258 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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114 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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0answers
32 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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2answers
1k views

Hash sum mismatch on apt update

Get:14 http://in.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB] Err:13 http://packages.elementary.io/appcenter xenial/main amd64 ...
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0answers
649 views

apt update fails with GPG Error for appcenter xenial InRelease no public key

since a few days I cannot apt update any more, it says Hit:1 http://repo.steampowered.com/steam precise InRelease Hit:2 http://de.archive.ubuntu.com/ubuntu xenial InRelease ...
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0answers
582 views

Elementary OS Freya stuck on desktop image after boot

I had a bunch of held packages and attempted to fix it using Aptitude as suggested here. It mentioned removing a bunch of packages, but I accepted that after seeing a few of the packages being updated ...
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1answer
530 views

Prevent Background Downloading of updates

Firstly thank you to everybody that contributes to Elementary OS, what a great product. Please help, I have limited bandwidth which is costly where I am. I have tried numerous ways of disabling the ...
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1answer
43 views

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 ...
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9 views

Slack Application seems to fail upon upgrading Elementary OS to version 6.1

Upon upgrading the Elementary OS from 6.0 Odin to 6.1, some applications fail to work as they used to previously. One of them is the Slack application. Whenever I try to start the Slack app, I tend to ...
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1answer
58 views

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'...
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401 views

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....
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1answer
18 views

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 ...
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0answers
79 views

gnome-software alongside app center in EOS 6

In Elementary OS 6 , the AppCenter only features curated apps in flatpak format and, as a backup solution, the developers offer the possibility to "sideload" apps from flathub. While I ...
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0answers
25 views

Is it a way to resolve apt vs. AppCenter updates error?

First I have installed nvidia drivers through apt — all updates was through AppCenter. But one time I ran the command sudo apt upgrade — which included nvidia drivers. From now on I get the "...
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0answers
18 views

latest update broke wingpanel, login graphically is not possible

After a brand new install, I updated elementary (5.1.7) and wingpanel disappeared on the top. On reboot I get the "starting the session has failed." error when I try to login. Realizing I ...
0
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1answer
284 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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1answer
234 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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3answers
99 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
916 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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0answers
376 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
231 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
33 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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2answers
837 views

Failed to Authenticate apt upgrade

Command run: sudo apt upgrade [sudo] password for user: Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages ...