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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1answer
57 views

Help with messy Nginx install (Trusty 14.04 Server)

I'm a bit of a noob here. I wanna try out nginx, but got some errors when installing: Reading package lists... Done Building dependency tree Reading state information... Done The following ...
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5answers
100 views

Apt fails to remove partially installed kernel and can't install any other packages

Apt is failing to upgrade or install new packages after a seeming partial kernel upgrade. I've tried apt-get purge -f linux-image-extra-3.19.0-22-generic which fails with a very similar error message. ...
3
votes
1answer
164 views

Removing a program that apt doesn't see

I have an old installation of R that I would like to get rid of and replace with a new version. However, apt doesn't see this package at all. It doesn't show up in Synaptic and running sudo apt-get ...
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2answers
39 views

Ubuntu software center crashes every time I try to open

SystemError: E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en%5fIN E:The package lists or ...
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votes
1answer
32 views

apt-get -f install gives ominous warning about essential package (Trusty)

I have unmet dependencies in my system. This happened while I was trying to install lib32stdc++6 for android studio. I tried some solution from the internet and ended up with unresolved dependencies. ...
0
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1answer
24 views

Configure error when installing Arduino IDE

I want to install Arduino IDE, version 1.5.4 BETA from here. I need this specific version, but if I use the repository, it gives me the latest version (1.6.5), and I don't want that. When I download ...
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0answers
15 views

Could not resolve 'archives.ubuntu.com'

After performing sudo apt-get update I am getting the warnings: W: Failed to fetch http://archives.ubuntu.com/ubuntu/dists/trusty/InRelease W: Failed to fetch ...
0
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1answer
28 views

problem when installing vlc on ubuntu 15.04 its taken more than 10 hrs but not successfully installed and give the msg

The following information may help to resolve the situation: The following packages have unmet dependencies: vlc : Depends: vlc-nox (= 2.2.1-2~ppa1) but it is not going to be installed ...
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0answers
12 views

Having a weird network issue

I am using xubuntu 14.04.02 on a new build. Networking works great except when accessing any ubuntu site. For example, I can stream several videos and pandora at the same time with no problem. When I ...
0
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1answer
23 views

A problem with open Ubuntu software center

I try to Update a program "brackets" but I find this problem (E:The package brackets needs to be reinstalled, but I can't find an archive for it.) and I can't use the Ubuntu software center any ...
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0answers
28 views

Cannot update or upgrade ubuntu desktop 14.04. Stuck

****@****-Inspiron-3537:~$ sudo apt-get update && sudo apt-get upgrade [sudo] password for ****: Err ://security.ubuntu.com trusty-security InRelease Err ...
3
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1answer
31 views

apt-get install fails due to empty /var/lib/dpkg/diversions

I've got a freshly installed trusty installation, where I have so far done the following: Installed Run sudo apt-get update && sudo apt-get dist-upgrade (and ran the update) After a reboot ...
1
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1answer
32 views

Ubuntu Tweak don't work

How can I make work Ubuntu Tweak in Ubuntu 15.04? If I try to install him with simple commands like that don't work sudo add-apt-repository ppa:tualatrix/ppa sudo apt-get update sudo apt-get ...
1
vote
2answers
334 views

“GPG error:The following signatures were invalid: KEYEXPIRED”

The error I am having when trying to update my package list. W: GPG error: http://download.opensuse.org ./ Release: The following signatures were invalid: KEYEXPIRED 1436387333 E: Some index files ...
1
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0answers
24 views

Unable to install ACL

I am unable to install ACL on my Ubuntu 14.10 server (see output). david@server:/mnt/storagedata$ sudo apt-get install acl Reading package lists... Done Building dependency tree Reading state ...
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0answers
65 views

Cannot upgrade Ubuntu 14.04.02 due to kernel package problem

I am experiencing a problem with 3.13.0.57 kernel. After the upgrade the system was not able to boot anymore. I booted it with the previous kernel image and tried to remove the broken kernel packages, ...
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0answers
35 views

apt-get update stuck

When I do apt-get update on ubuntu 14.04 GUI it just goes on like this 0% [Connecting to au.archive.ubuntu.com (202.158.214.106)] [Connecting to extra AND it will wont update. I have also ...
0
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1answer
41 views

Ubuntu Tweak doesn't want to install

I use that commands in Ubuntu 15.04: sudo add-apt-repository ppa:tualatrix/ppa sudo apt-get update sudo apt-get install ubuntu-tweak When I run sudo apt-get update I get this error message: W: ...
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0answers
64 views

Update BQ E5 via apt-get

I've got an BQ Aquaris E5 Ubuntu Edition phone. Does updating and upgrading the phone via apt-get cover all the updates that Ubuntu provides via user-interface (as I know they do ...
1
vote
1answer
39 views

Skype not showing in Unity panel

I have installed the Ubuntu 12.04 (multiarch) version of Skype from the official Skype website, and yet when I launch it, I cannot see the little Skype icon in the Unity Panel as I have seen it on ...
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0answers
22 views

Ubuntu Software Center: Delete license terms file

I am trying to install a package and during installation I accidentally declined the license terms, terminating the installation. Now when I try to install the same program I instantly get a ...
0
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0answers
20 views

Unable to find expected entry 'restricted/binary-i386/Packages' in Release file

I just installed Ubuntu 14.04 Trusty Tahr on my PC. And upon running sudo apt-get update, I got the error W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release Unable to find ...
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1answer
69 views

apt-get update failed to fetch [duplicate]

I am trying to do an update and am getting the following error. Could anyone help on a solution. My kernel will not update because of this W: Failed to fetch ...
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0answers
28 views

How do I fix the font in my terminal, and everything else after removing appmenu?

So I was looking for a way to disable the global menu bar in Ubuntu 15.04, In the process I found this command. sudo apt-get autoremove appmenu-gtk appmenu-gtk3 appmenu-qt which did not solve my ...
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3answers
50 views

Can not do apt-get update, says Could not resolve 'wcdh-dc-wg01'

I did a fresh install of 14.04 from a CD I made on a HP DL380. After the installation I rebooted and did the following with the results below. What am I missing? and where is that wcdh-dc-wg01 coming ...
0
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1answer
28 views

couldn't open ubuntu software center.unable to install or update through terminal

I am new to Linux. Have been encountering this issue for a couple hours. Please help me resolve this. Don't know much of this stuff. E: Problem with MergeList ...
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0answers
16 views

sudo apt-get install -f: failed to write (No space left on device) [duplicate]

I'm getting this error when trying to run sudo apt-get install -f on 14.04: Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... ...
1
vote
1answer
39 views

Build Essentials

Good morning everyone, the long and short of it is I'm setting up an interdomain IRC server for my company. To do so I needed a c++ compiler so I was directed to build essentials. However whenever I ...
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0answers
21 views

install multiarch -dev package - apt does not resolve dependencies

I want to build third party software that uses the mcrypt and curl libraries. I have an armhf system and an x86_64 system, both Ubuntu 15.04. On the target I can do user@armhf:~$ sudo apt-get install ...
0
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0answers
12 views

Relink dependencies dpkg

I removed a self-compiled .deb-package (OpenCV) by using dpkg -r --force-depends. I have done that this way because another package (ROS) have some dependencies on it. The purpose was just to ...
1
vote
1answer
31 views

Octave installation failed on ubuntu 15.04

I tried to install octave using sudo apt-get install octave and I met with the following error Setting up octave (3.8.2-4) ... error: couldn't read directory /usr/local/share/octave/packages: No ...
0
votes
1answer
48 views

How to create custom repository on Ubuntu 14.04 [duplicate]

How to build custom repository server so that all client install packages from my machine. what type of URL to add in /etc/apt/sources.list file on Client Machine. to fetch that particular package
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0answers
16 views

Ubuntu 14.10 Utopic Update Error [duplicate]

I recently upgraded to Ubuntu 14.10 Utopic & ran the "Intel Graphics Installer for Linux" to upgrade the driver. Now after running the updater I get this : "W: GPG error: https://download.01.org ...
1
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1answer
36 views

How to purge *all* Unity packages?

Does anyone know how to purge these packages without breaking the system? gir1.2-unity-5.0 libunity-common libunity-protocol-private0 libunity9 unity-asset-pool unity-greeter The goal is a ...
0
votes
1answer
21 views

how are software sources controled?

I was on my way to installing a bitcoin wallet ppa, when I realized the file /etc/apt/sources.list is missing from that directory. I am using trusty, with Mate. If I add sources.list, will it work? ...
0
votes
1answer
23 views

Lubuntu wine installation error [duplicate]

When I was trying to install wine software in Lubuntu 14.10, I got the following error message without any specific reason. Can you please tell me how to resolve this problem and can I continue the ...
1
vote
1answer
26 views

Install haproxy 1.5 without telling apt specific version

In Ubuntu 14.04 installing haproxy through apt-get install haproxy installs haproxy 1.4, while 1.5 is in the repository. How can I install haproxy 1.5 (or the newest) without resorting to specific ...
0
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0answers
33 views

recovery mode - apt-get broken

Hi all i have a problem in my Ubuntu 15.04 Symptoms: 1) I need to use recovery mode for not working nvidia graphics 2) I enter in recovery mode, mounts file systems, turn on network 3) "mount -o ...
0
votes
1answer
66 views

General error mounting filesystems after upgrade from 10.04 to 12.04

I updated My server from ubuntu 10.04 LT to 12.04 LT and I had couple of errors but it was completed without asking me to reboot. when I rebooted I had the following error: General error mounting ...
1
vote
1answer
45 views

muon is gone after change of python / issues after python 2.7.10 installation on ubuntu 14.4

My muon is gone on my Kubuntu 14.4. If I try to install it with sudo apt-get install muon I get the message The following packages have unresolved dependencies: muon : Depends on: ...
1
vote
2answers
69 views

Downgrade from Evolution 3.16 to Evolution 3.12

I am using Ubuntu 15.04. I installed Gnome Evolution 3.16 by adding the Gnome PPA in my sources list. This worked briefly, but then Evolution stopped working with my Google Apps accounts (happened on ...
1
vote
1answer
25 views

Package in launchpad but apt-get says no installation candidate found

I am trying to install liblcms1-dev on Ubuntu 15.04. I can see the package here on Launchpad. But when I run apt-get install liblcms1-dev I get: E: Package 'liblcms1-dev' has no installation ...
0
votes
1answer
48 views

Apt-get is not installing jdk properly

Any time I try use apt-get install (I'm logged into the root account) It doesnt work properly this is what it comes up with (This is after trying to use it to install java jdk) Reading package ...
1
vote
2answers
24 views

Tools for Package Managing [closed]

I've had numerous problems in the past where apt-get fails to do something and gives a confusing reason why which doesn't help me solve the problem, but aptitude guesses some alternative action that ...
0
votes
1answer
27 views

Big problem with dependencies (GNUradio and GQRX)

I'm a user of Ubuntu 14.04.2 LTS and I have a big problem with unsatisfied dependencies. I can't install or even uninstall any packages because some dependencies are not fulfilled. I tried apt-get ...
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0answers
13 views

Ubuntu 12.04 problems with libudev0:i386

I've accidentally removed a file in /lib/i386-linux-gnu/libudev.so.0 and then I tried to reinstall with dpkg -i. In that result I've installed a wrong version. This is my current state: $ sudo ...
1
vote
1answer
56 views

Ubuntu 14.04 update failure due to failure in certificate authentication

Below is the error from running sudo apt-get update in a terminal on Ubuntu 14.04: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty-security/multiverse/binary-i386/Packages server ...
-1
votes
1answer
42 views

Which is the best way to install aircrack-ng suit [closed]

I have seen two ways to install aircrack-ng in ubuntu Way 1: installing -build-essential,libssl-dev,...,make,make install Way 2: sudo apt-get install aircrack-ng Which of the ways to prefer and ...
2
votes
0answers
40 views

cron.daily gives apt error. “not found”

I recently upgrade to Ubuntu 15.04 and after that I get these strange errors in my cron e-mail. Sadly I didn't remember what version of ubuntu I was upgrading from but I think it was the latest before ...
0
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1answer
93 views

ubuntu update failed from 14.04 lts. failed to fetch something

this is not the same case as Failed to fetch update on Ubuntu 14.04 LTS (Trusty Tahr) the error is: Error during update A problem occurred during the update. This is usually some sort of ...