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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apt-get update issue

When I am trying to update using apt-get it is showing following error at the end: Fetched 3,634 kB in 3min 39s (16.6 kB/s) W: Failed to fetch ...
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1answer
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How update pygobject without breaking any dependency?

I want update the Pygobject of my system from the official repository. The last version on official repository is 3.16.1, but in the official package for Ubuntu is 3.12.0. I tried uninstall this ...
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Problems installing packages from one system to another via scripts

System -> Ubuntu 14.04 System in VM -> Ubuntu DEV 14.04 I'm using the following scripts : Back up packages #!/bin/bash dir=source_files # if directory doesn't exist then make it if [ ! -d ...
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1answer
14 views

ubuntu hanging at unpacking linux header 3.13.0-49

My Acer desktop with Ubuntu 14.04 was hanging after sudo apt-get update; sudo apt-get upgrade at the unpacking of linux header 3.13.0-49. The mouse and screen seemed frozen.
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1answer
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GPG error: http://packages.osrfoundation.org

when I update using 'apt-get update' on ubuntu-14.04, I got the following error, W: GPG error: http://packages.osrfoundation.org trusty InRelease: The following signatures couldn't be verified ...
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1answer
28 views

GPG error : http://repos.rcn-ee.net

when I update using apt-get update on Beaglebone black, I got the following error, W: GPG error: http://repos.rcn-ee.net trusty InRelease: The following signatures couldn't be verified because the ...
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1answer
33 views

I'm trying to install programs/apt upgrade and this group of libs aren't allowing me to do so

I can't apt-get upgrade, I also tried installing software with the software center but no luck since those libs need dependencies. I tried removing them but that didn't work and I also tried various ...
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i get this error when i type sudo apt get update [duplicate]

W: Duplicate sources.list entry <http://us.archive.ubuntu.com/ubuntu/ precise-security/main> amd64 Packages ...
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1answer
24 views

Broken link for kernel (nonexistent future version)

My version (from lsb_release -a): No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.10 Release: 14.10 Codename: utopic I want to make some room ...
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1answer
18 views

Can i remove a package from apt without uninstall

is it posible to remove a package from apt without uninstall it from disc? I have a broken owncloud package. I was able to repare the installation manually but now i always get an update error ...
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14 views

Trusty on SD card under Crouton - corrupted disk?

This question relates to Crouton only in that Ubuntu is running under it on my Chromebook. I've installed 14.04 with xfce on an ext4-formatted SD card. I seem to be having all kinds of problems, and ...
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1answer
19 views

Finding how many times a given package has been installed

Is there any way to see how many times a package in the repos (say, firefox) has been installed?
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13 views

Unable to run apt-get with proxy even after setting the environment variables

I was trying to configure proxy in my lubuntu 14.04. Since I wanted to use the username and password for my proxy authentication, I opted ntlm and installed it. Now I can use my proxy link as ...
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0answers
6 views

Quick Webhost Script for LAMP - How do I import localhost for www.example.com?

I have the following script written: sudo apt-get update sudo apt-get install apache2 sudo apt-get install apache2 apache2-utils sudo service apache2 restart sudo apt-get install mysql-server ...
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1answer
31 views

sudo apt-get update Not Working | Malformed Line [duplicate]

I was attempting to Install Skype on my system. As some of you already know, Skype is only available for 32-bit Linux systems. So I was following a tutorial online when I attempted to install 32-bit ...
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1answer
13 views

Broken libgcrypt11 dependency

I've run a casual apt-get update && apt-get upgrade command. The process completed (with an error): You might want to run 'apt-get -f install' to correct these. The following packages have ...
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1answer
28 views

What packages are installed by `sudo apt-get install r-base`?

I have add the following link to my repository list deb http://stat.ethz.ch/CRAN/bin/linux/ubuntu trusty/ When running sudo apt-get install r-base, what packages in ...
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1answer
14 views

please help installing missing pkgs [on hold]

I tried to install exploration software for multirobot but i got many errors regarding dependency problems i tried several times to install them but I couldnot could anyone help me please thanks ...
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3answers
52 views

Error adding a repository to /etc/apt/sources.list

On ubuntu 14.04, I followed http://mirror.its.dal.ca/cran/bin/linux/ubuntu/README which says Installation and compilation of R or some of its packages may require Ubuntu packages from the "backports" ...
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1answer
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W: GPG error: The following signatures couldn't be verified because the public key is not available [duplicate]

On my Ubuntu 14.04, I followed http://mirror.its.dal.ca/cran/bin/linux/ubuntu/README to add the following to /etc/apt/sources.list deb http://stat.ethz.ch/CRAN/bin/linux/ubuntu trusty/ When I run ...
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2answers
55 views

Can someone provide a real, correct and genuine sources.list for Ubuntu 15.04? [duplicate]

I have been using Ubuntu for a while now and I have been having all problems that I needed not to post a thread for to get answers, until I recently upgraded to Ubuntu Vivid. Ubuntu is great but each ...
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4answers
36 views

Unmet dependencies unable to fix

I'm running ubuntu 14.04. I cannot use software center to install anything, even a local deb package so I have to rely on Terminal. Recently I was trying to install mysql-server which generated error ...
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1answer
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unable to intall r-base on ubuntu 14.04 LTS

while installing a newer latest version of r by removing the previous version of r(3.0.2) I got the following problem. anupam :~$ sudo apt-get install r-base Reading package lists... Done Building ...
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1answer
28 views

sudo add-apt-repository throws an exception

I'm running ubuntu 14.10 on VMware player at my office. Whenever I try to add a repository, I get this exception. root@ubuntu:~# sudo add-apt-repository ppa:rvm/smplayer Traceback (most recent call ...
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2answers
755 views

What does this 'apt-get remove' instruction do?

What does the following code do? I found it on internet so I copied it and pasted it into terminal but when I installed a new kernel it only detects the old one. sudo apt-get remove --purge $(dpkg ...
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0answers
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Error: no “edit” mailcap rules found for type “application/octet-stream”

I was recently trying to make an edit that I found Here that would pretty much allow me to install from the Terminal without being harassed with writing my very long and difficult password each time. ...
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1answer
26 views

Update Manger offline error

I'm running Ubuntu 14.04, using the i3 window manager. I'm having troubles with the Software and Updates for my system. When I start the update-manager I get this screen : The internet is working ...
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1answer
12 views

Unable to install tor, access to directories denied [duplicate]

E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) E: Unable to lock directory /var/lib/apt/lists/ E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission ...
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1answer
37 views

How to re-install libgcc1:i386 which breaks libgcc1?

So, I went and did something very stupid. I have ubuntu-toolchain-r repository added to repositories which has up to some time ago provided libgcc1:i386 among other things. For a some time now the ...
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0answers
24 views

Apt-Get missing keys and won't let me add new ones [duplicate]

APT gives me this when I run sudo apt-get update: W: GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be verified because the public key is not ...
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2answers
19 views

I've signed a deb package multiple times, now how can I remove a signature?

How can I remove signatures from a deb package signed with a gpg key by dpkg-sig? I have a particular apt repository that I've set up, which through research and testing led me to manually sign my ...
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0answers
12 views

Trouble Installing Package from a Local Apt Repo

I am having some issues installing a package from a local apt-repo. I followed the guide below to set up the apt repo and it seems to be working fine. When I run the update-debs command and apt-get ...
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2answers
22 views

unable to install OpenJDK Java 6 runtime

Please mind im fairly new to linux so please try to keep the technobabble to a minimum. So in the ubuntu software centre i tried to install the java 6 runtime and it gave me this error message The ...
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1answer
29 views

Couldnot able to install anything

I tried to use sudo apt-get install its not working. So I did ping google.com it gave me ping: unknown host google.com I have net connection and I able to access Internet in browser. How ...
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1answer
27 views

Is it possible to update npm version in Ubuntu 14.04?

I try to install yeoman and it require npm 1.4 I installed npm with apt-get but is has version 1.3.10 I try commands: sudo add-apt-repository ppa:chris-lea/node.js sudo apt-get update sudo apt-get ...
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2answers
54 views

Why does “apt-get update” need sudo, but using “Software updater” doesn't?

I think it's really strange that apt-get update and apt-get upgrade need sudo. But why doesn't using Software Updater need it as welll? I mean, I can install (almost) all updates without even being ...
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2answers
47 views

Ubuntu doesn't download files using apt-get update [on hold]

When I type the command sudo apt-get update on Ubuntu 14.04, it downloads most of the files but the other ones say for example: Failed to fetch ...
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2answers
23 views

Do not gave up on lock while running apt

I have a script that uses apt heavily and currently it faces a locking issue, as: E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the ...
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0answers
24 views

sudo apt-get update error ubuntu 14.04

I am new in Ubuntu, I just installed it. Today I wanted to install chrome and I got an error libappindicator1, I tried to fix it but I couldn't. I read that I should do a sudo apt-get update and in ...
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1answer
41 views

Why does this apt-get command work in one context but not the other?

I'm trying to add the plpython package to my docker container (running an Ubunutu image) using the following command (RUN being the docker command that you can ignore if you don't know Docker): RUN ...
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1answer
20 views

Unable to update battery-status ppa

I'm using Ubuntu 14.04. I'm getting this error W: Failed to fetch http://ppa.launchpad.net/iaz/battery-status/ubuntu/dists/trusty/main/binary-amd64/Packages 404 Not Found W: Failed to fetch ...
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2answers
26 views

Why won't XScreensaver install from the command line?

All I know is that I get the following output in my terminal: supuhstar@SupuhComp-U:~$ sudo apt-get install xscreensaver xscreensaver-gl-extra xscreensaver-data-extra xscreensaver-screensaver-bsod -y ...
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1answer
28 views

Problem while installing oracle-java8-installer

I am trying to install Oracle's Java8, but I get the following errors. How can I fix those? Translated from Spanish. For original text, please see the revisions. r06xd@uers1-H61MLV2:~$ sudo apt-get ...
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1answer
46 views

14.04 update hangs on bluez

I am having trouble doing a software update on 14.04. sudo apt-get update sudo apt-get upgrade The terminal hangs indefinitely after outputting: Setting up bluez (5.23-2ubuntu0trusty1) ... I have ...
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1answer
17 views

broken dependencies are not solved

When i installed the sudo apt-get install dhcp3-server tftpd-hpa syslinux nfs-kernel-server initramfs-tools I got error. after that i wanted to fix the broken dependencies problem i tried ...
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1answer
38 views

apt get-update error on Ubuntu 14.04.02

I'm getting this error on a fresh install of Ubuntu 14.04.02: $ sudo apt-get update Err it.archive.ubuntu.com trusty InRelease Err it.archive.ubuntu.com trusty-updates InRelease Err ...
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GDBus.Error apt-get update results in this error message

Every command now produces the same result with the following message and error: Setting up ttf-mscorefonts-installer (3.6) ... Error: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message did not ...
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1answer
61 views

Error in My Sources List

I know there are other questions like this but so far none of those solutions have worked for me. Hi, im new to ubuntu and only got it yesterday. And late last night an error sign appeared in the ...
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32 views

Ran apt-get clean now I can't boot

This may a bit of a long story, but there were a lot of parts and i'm not sure what exactly caused my problem so please hang in there :) So i was having trouble with running out of space when trying ...
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7 views

Ubuntu crash after system package update performed

My problem is really more complicated than the title. First, I try to perform a complete update from my local ubuntu mirror (which it seems that have broken dependencies in itself). The Synaptic ...