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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Help pls! libapache2-mod-php5 : Depends: php5-common

I installed php5.5 and upgrade Ubuntu from 12 to 14. Now the system isn't working. I did sudo apt-get upgrade && sudo apt-get install libapache2-mod-php5 But got The following packages have ...
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8 views

Software Repository Failed to fetch [on hold]

I consistently get this error message when trying to update my software sources... Failed to fetch cdrom://Linux Mint 17 _Qiana_ - Release i386 20140624/dists/trusty/contrib/binary-i386/Packages ...
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1answer
25 views

Installed Pygame, but Python claims it does not exist

I want to use pygame, but I am having trouble installing/using it. It appears to be installed, but Python cannot find it. I know there are several similar questions about this, but none of them gave ...
2
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1answer
25 views

Why adding a PPA doesn't ask (y/n)?

On ubuntu and few other distros I've tried, when the user is prompted with a yes or no question, 99% of the time it prompts the user to input y or n depending on the choice. But the only exception to ...
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1answer
29 views

“Connection failed” during $ sudo apt-get update

when perform $ sudo apt-get update Err http://security.ubuntu.com trusty-security/main Sources Connection failed [IP: 91.189.92.201 80] Err http://security.ubuntu.com ...
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15 views

I am getting message ('apt-get -f install' to correct these: ' ) every time when install any software. please help me

I am getting following message every time when install any software. Like for installing ImageMagic’s Import Command. I also try 1. apt-get -f install and 2. sudo apt-get update. But always getting ...
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14 views

Ubuntu apt-get update 404 error and not able to install openssh-serer [duplicate]

I've got an Ubuntu 12.10 Desktop VM on my Windows8.1 in VMWare Workstation. When I type in apt-get update I get 404 errors: Csdn@ubuntu:~$ sudo apt-get update Ign http://extras.ubuntu.com quantal ...
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64 views

Fail when update system

I get in some trouble when I tried to update the system W: Failed to fetch http://archive.getdeb.net/ubuntu/dists/trusty-getdeb/apps/binary-amd64/Packages 521 Origin Down [IP: 104.28.24.125 80] W: ...
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1answer
16 views

I cannot install any packages

My new Ubuntu Dell laptop version 12.04 is not playing videos. I get the error message, mpeg-4 aac codec not installed I can't install the ubuntu-restricted-extras package Here is the error ...
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11 views

Is it possible to restore 32-bit 14.04 packages/system to 64-bit 14.04?

Restore I backed up a 32-bit 14.04 system and tried to migrate to a new machine running 64-bit 14.04 with the following: sudo cp ~/backup/sources.bak /etc/apt/sources.list sudo chmod 644 ...
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1answer
15 views

Restore php5.5 after php5.6 removal

I have Ubuntu 14.04, wanted to try php5.6. Added ppa:ondrej/php5-5.6. Updated. Installed php5. Got php5.6. Did not find some extensions and decided to switch back to ubuntu's own php 5.5. Deleted ...
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1answer
10 views

Directing precise to trusty repository

I have an installation of Ubuntu 12.04. I want to explore the possibility of installing trusty packages on it by replacing the repository list in /etc/apt/sources.list to 14.04 repositories. I know it ...
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20 views

Unable to install zlib1g-dev [on hold]

I have a college project for which I need to install Multi2Sim. It relies on a dependency called zlib1g-dev. I get this message The 'zlib' library development package is missing in your system.Please ...
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1answer
18 views

Can't use APT-GET after failed dependencies thing for Acestream

I have read similar issues but I can't do apt-get install -f because it wants to remove a lot of things from ubuntu and asks for a whole sentence confirmation. I think it will break the OS if i do ...
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0answers
39 views

What is Not installed (residual config) in synaptic manager? [duplicate]

When I open synaptic package manager, I found some packages under status - Not installed(residual config) as below screen-shot: I want to know that what are these packages/configs? Why it is called ...
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1answer
34 views

E: Command line option 'V' [from -V] is not known

Getting this error while running apt-get --yes -V -c $CONF_FILE update command. This error is coming with ubuntu 14.04 only. For earlier version is working fine. Man page says : -V, ...
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1answer
20 views

GPG error: http://it.archive.ubuntu.com trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?) [duplicate]

apt-get used to work until a couple of days ago. Now I am banging my head on the wall with no avail. This is the output from a Ubuntu server 14.04 sudo apt-get update Get:1 ...
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43 views

How do I get and remove the kernel source code?

So after I read How do I get the kernel source code? apt-get source linux-source-x.y.z but what if I issued a "sudo" of the last command in the /usr/src, how do I remove it (uninstall) ? Do I ...
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1answer
19 views

Apt-get commands are failing with libpython3.3 unmet dependencies

OS: Ubuntu 14.04, Arch: amd_x64. Apt-get commands: install, remove and purge fails with the same error below. However commands like update and clean works fine. Not sure how to resolve the issue. ...
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1answer
45 views

Unable to install Skype in

Im using 64bit Ubuntu 14.04 LTS in hp Compaq laptop, and when im trying to install using Ubuntu Software Center Im getting following error sudo apt-get install skype Reading package lists... Done ...
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1answer
14 views

Will 'apt-file update' download files of large size?

I feel like to run apt-file update, because $ sudo apt-file search sensors.h E: The cache is empty. You need to run 'apt-file update' first. But my / is almost full, so I wonder if apt-file update ...
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1answer
172 views

How to handle apt-get update failing to fetch old packages *without* upgrading [duplicate]

I'm using Ubuntu 13.04. When I try sudo apt-get update --fix-missing, I get a bunch of 404/Not Found and 403/Forbidden errors and it's preventing apt-get from working most of the time. I can paste ...
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12 views

Lubuntu System upgrade error[1] - What does it mean

Lubuntu, 14.04 version loaded on a laptop. Upgrade with the sudo syntax. Upgrade proceeds but I don't think the upgrades is complete. I keep getting an error code at the very end that says the ...
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1answer
24 views

etc/apt/source.list not found

I was trying to edit source.list for apt-get install update and generated new source code from repogen.simplylinux.ch and i don't know what happen during editing that now when i typed version then it ...
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83 views

How to install lib32-gnutls in Ubuntu 14.04 32bit

I have a login problem with a game (league of legends - the login server did not respond).I found somewhere that I need to install lib32-gnutls to fix this problem, but I don't know how to do this. I ...
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3answers
22 views

Software update issue using terminal in Ubuntu 14.04

I have been getting this error ever since I messed up my repository list and updated to xubuntu DE on ubuntu 14.04 LTS. I also tried updating the sources.list file. I also tried removing the package ...
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7 views

can not open softwarecenter / failure message [duplicate]

got this permanent message: Fehler: Öffne Zwischenspeicher (E:Encountered a section with no package: header, E:Problem with ...
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0answers
11 views

After installing untrusted package, majority of existing packages require removal

I was trying to install a TOX client to my system but I ran into a dependency mismatch (libstdc++ ) and so I went into synaptic to install the package and it came up with an untrusted/not ...
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1answer
25 views

Computer crashed during updates - How do I figure out what packages I lost?

My host OS crashed while my Xubuntu VM was updating things. After restarting and loading up the VM, I was greeted with a blank grey desktop and nothing to click on. Luckily, I could still get to a ...
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22 views

DVD Mounting procedure in Ubuntu 14.04

I tried to mount a dvd in ubuntu 14.04, Being a novice i am unable to complete the process. the message once i enter the required terminal commands into the system is given below : $ sudo apt-cdrom ...
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7 views

How to find out what commands are run behind synaptic package manager?

I would like to know what CLI commands are run behind the actions of synaptic package manager we select to perform in synaptic's GUI? Actions such as generate dependencies and dependents, removal and ...
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1answer
15 views

How to install latest calibre (any package) on Ubuntu?

If I am installing calibre with apt-get, it installs version 1.25 # sudo apt-show-versions calibre calibre:all/trusty 1.25.0+dfsg-1build1 uptodate while it's current version is 2.6. Is it possible ...
2
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1answer
21 views

How to sync the ubuntu repository

I am using Ubuntu 12.10 (Quantal) version and it is at EOL. The repositories for older releases that are not supported get moved to an archive server. These repositories are available at ...
2
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1answer
12 views

Is it compulsory to add “Cleaning section” while bulding local ubuntu respository

I am using Ubuntu 12.10 (Quantal) version and it is at EOL. The repositories for older releases that are not supported get moved to an archive server. These repositories are available at ...
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0answers
20 views

Can't install ZMQ on Ubuntu 14.04 server (64 bit) [duplicate]

I am trying to install the dependencies: libtool uuid-dev build-essential But apt complains that they depend on libc6-dev or libc-dev but says they are not going to be installed. The following is ...
0
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1answer
21 views

Lots of errors on apt-get update [duplicate]

So I've only just installed ubuntu on my laptop, as I'd like to get more comfortable with it. Doing apt-get update gives me a hell of a lot of 404 errors, followed by failed to fetch errors. I also ...
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1answer
30 views

Can't install Gimp, Ubuntu software center is not working, can't install from terminal too

I'm using Ubuntu 12.04 and have installed GIMP last night. But today, my update manager is showing that your system has broken packages and dependencies. When I try to install the GIMP update that is ...
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10 views

Yet another apt “Size mismatch” problem, but without any network

Most of the time, an apt "Size mismatch" problem occurs because a firewall or proxy blocks some files and replaces their download with an html page explaining the issue (instead of issuing an error as ...
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35 views

Unable to uninstall xbox driver

I've used the following article to install xbox 360 drivers on my Elementary OS Luna installation http://www.omgubuntu.co.uk/2013/07/dealing-with-xbox-controllers-in-ubuntu Now, I'm facing some ...
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35 views

Error while sudo apt-get update

When i am updating through terminal it throws an error as below Reading package lists... Error! E: Encountered a section with no Package: header E: ...
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12 views

Error while Running ztemyapp MTS Mblaze modem in Ubuntu 14.04

My Ubuntu version is E7440:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty ~$uname -a Linux ...
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1answer
33 views

How to use apt-get install in ubuntu

I have tried many link and none of them works for me. I have internet access in my college through a proxy 172.16.24.4 with port 3128 and the proxy type is either http or https. I want to use apt-get ...
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0answers
18 views

“apt-get install” using local packages acting weird

I have downloaded packages using: apt-get install -d gcc Then, what I did was to save the "deb" package and upload it to another machine so that I can install it manually without download. apt-get ...
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15 views

How does package configuration work during ISO installation?

I am creating my own custom Ubuntu 14.04 ISO, with a different set of packages. I am using debootstrap for this purpose, which creates a basic system in a chroot (fakechroot in my case) that is ...
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1answer
18 views

apt-get error with libmza

I am getting the following error when I try to update something apt-get: /usr/local/lib/liblzma.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12) ...
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24 views

Can you determine which packages are not being used at all when running a specific program

I want to create a custom Ubuntu server distro that automatically installs and runs a specific program only on the target machine. I've found a very good guide here: How to create a customized ubuntu ...
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1answer
20 views

BTSync: Intall Bittorent Sync silently with no prompts on Ubuntu Server 14

Trying to install btsync in fully automatic mode - silent, without any prompts. I try to use assume yes feature of apt and also DEBIAN_FRONTEND env variable, but have no luck: export ...
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1answer
50 views

Installing matplotlib on Ubuntu 14.04 after installing Python 3 with pyenv

I am using Ubuntu 14.04 with Python 2.7.6. I have installed matplotlib for Python 2. Now, I just installed Python 3.4.2 using pyenv install 3.4.2. I then ran pip install matplotlib to install ...
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1answer
14 views

reinstall ubuntu-desktop after removing gnom*

i have laptop with ubuntu 14.04 i tried to install gnome to try it and after a while i wanted to remove it so i used the following command apt-get remove gnom* i rebooted and before the ...
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How do I fix this error? [duplicate]

The following packages will be REMOVED: libglade2.0-cil 0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 248 kB disk space will ...