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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23
votes
9answers
39k views

Dropbox install stuck at 99%, how do I fix it? (and any dpkg errors)

I tried to install Dropbox using How to install Dropbox?, or with apt-get install nautilus-dropbox. Dropbox loads until 99% and then hangs, causing the system to go to 100% cpu usage. If I reboot or ...
14
votes
4answers
47k views

Can't find boot-repair package for the newest version of Ubuntu

After upgrading Ubuntu 13.10 to 14.04, grub failed to load Ubuntu and threw the error symbol 'grub_term_highlight_color' not found. I followed the solution offered in the Bug Report but this failed ...
22
votes
6answers
65k views

Package system is broken. How to fix it?

I just recently bought an arduino and requires gcc-avr/avrdude to compile the software. I installed avr for another microprocessor component a while ago but is obviously an outdated version (gcc ...
10
votes
5answers
6k views

How to fix Ubuntu after accidentally uninstalling many packages?

I accidentally removed all the packages starting with the name jpeg with: sudo apt-get remove jpeg* This screwed up a lot of things, removed Unity, Firefox, Flash player etc. I somehow managed to ...
371
votes
6answers
355k views

How to upgrade a single package using apt-get?

How do I update a single package? As far as man apt-get says apt-get upgrade doesn't take a package/list of packages as parameter: upgrade upgrade is used to install the newest versions of ...
75
votes
5answers
50k views

How do I show apt-get package management history via command line?

Is there a way to show the history of packages that were changed by apt-get via command line?
38
votes
7answers
134k views

Installing and testing CUDA in Ubuntu 14.04

I am uncertain about how to install CUDA in my system. looking around there are many tutorials about cuda on 12.04 LTS and a few on 13.04 and 13.10, but they all talk about acquiring a deb package ...
12
votes
1answer
26k views

Ubuntu not booting: “Could not write bytes: broken pipes”

The problem When I boot Ubuntu 11.10, the boot process hangs, before even getting to the login screen of the display manager, with the message Could not write bytes: broken pipes at the top of the ...
60
votes
5answers
7k views

Can I see why a package is installed?

For a specific package, can I find out why it is installed? So, can I see or it's manually installed, or that it is installed as a dependency of another package? Or that it is installed as part of ...
26
votes
10answers
104k views

407 Proxy Authentication Required

When I try to install a software using Ubuntu Software center I get: Failed to download repository information Check Your Internet connection When I try to do a apt-get install something, I get: ...
15
votes
1answer
14k views

How to solve “Extra junk at end of file” when using apt?

I'm trying to configure some proxies for a guest virtual machine and now I'm getting: sudo apt-get update E: Syntax error /etc/apt/apt.conf.d/95proxy:4: Extra junk at end of file The content of the ...
36
votes
10answers
66k views

How to use a .iso image as a CD-ROM Repository?

I have all images of Debian, Ubuntu and Ubuntustudio as .iso. How can I use them as repository to install my desired packages with sudo apt-get install package-name? I easily mount the .iso file with ...
20
votes
3answers
8k views

apt-get remove with wildcard removed way more than expected. why?

Last night I was trying to burn CDs. Being annoyed with k3b and choosing to use brasero instead, I went to remove k3b. I typed in: sudo apt-get remove k3b I hit tab twice and saw that I had both ...
73
votes
2answers
31k views

What is the difference between dpkg and aptitude/apt-get?

When installing a software via dpkg -i packageA.deb, will the dependencies required by packageA be downloaded and installed automatically? How is this different from using apt-get or aptitude?
18
votes
5answers
13k views

How to get the native version of Spotify running?

A while ago Spotify (the streaming music service) came out with a preview for Linux of their client. I have successfully been able to run it on 10.04. Now that I am on 10.10, I cannot seem to find it ...
11
votes
3answers
15k views

Apt-get update with an @ in password error

I want to update ubuntu 11.04 throught apt-get. So I added the following lines in apt.conf export http_proxy=http://username:password@proxyserver.net:port/ export ...
1
vote
1answer
3k views

dpkg-divert: error: rename involves overwriting `/usr/lib/xorg/protocol.txt' with different file `/usr/lib/xorg/protocol-precise.txt', not allowed

I just installed Ubuntu (12.04.4) and I upgraded to 13.10 I have no idea how to fix this :/ $ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state ...
49
votes
6answers
36k views

Where can I look up my update history?

Is there a place where I can look what updates I've installed?
19
votes
5answers
32k views

Steam Install Error on 14.04 Ubuntu 64bit

I have tried some of the solutions posted elsewhere in the support forum, one seemed like it worked but after a steam update i found myself back at square one I am a new Linux user and am already at ...
16
votes
2answers
6k views

How to forbid a specific package to be installed?

Can I configure Ubuntu to never install a specific package even if it is required by another package I install?
13
votes
2answers
58k views

Configure proxy for APT?

I need to configure proxy. There wasn't apt.conf file in etc/apt/ so I've created it using nano. But I don't understand what I need to write there. I've written http_proxy = ...
16
votes
2answers
2k views

What is apt-fast and should I use it?

Several times over the past couple years, I've heard of people using apt-fast for updating and installing packages, but I'm not really sure what it does. I think I've traced its origin to this forum ...
143
votes
6answers
67k views

Is aptitude still considered superior to apt-get?

When I first started with Ubuntu using aptitude was the 'in-thing', with some stated improvements over apt-get. Am I correct in saying that apt-get has now 'caught up' with aptitude, and it makes ...
30
votes
3answers
13k views

How do I cherry pick packages from a PPA? [duplicate]

Is there a way to cherry pick packages from a ppa repository you add? That is, to exclude some from updating while including others? For example, I want just the chromium-browser package from this ...
49
votes
2answers
40k views

apt get install vs pip install

I am a bit confused about the cases in which the above commands must be used when downloading python packages. I was trying to download a package named pyudev in accordance with an answer with this ...
20
votes
2answers
22k views

dpkg: error: parsing file '/var/lib/dpkg/available' near line 0

Been trying to install git-core package for almost more than half a day now. Everytime i do, I get this error: dpkg: error: parsing file '/var/lib/dpkg/available' near line 0: newline in field name ...
160
votes
6answers
179k views

How can I update my nodeJS to the latest version?

I have installed nodeJS on Ubuntu with following code sudo apt-get install nodejs Since I am a new user for ubuntu I also ran this code too sudo apt-get install npm Now when I type nodejs ...
71
votes
5answers
166k views

How to uninstall LibreOffice?

Which package should I remove to completely remove libreoffice? I have no need for office tools. That's the one gripe I have with package managers like apt, there's no simple way to perform the ...
25
votes
13answers
59k views

Cannot install ia32-libs

I don't know why I can't install ia32-libs. It claims for a dependency that cannot be found on repos. junior@mediacenter:~$ sudo apt-get install ia32-libs Reading package lists... Done Building ...
9
votes
5answers
22k views

How can I access my Ubuntu phone over ssh?

Whenever I try to run apt-get install openssh-server I get the following errors: root@ubuntu-phablet:/home/hablet# apt-get install openssh-server W: Not using locking for read only lock file ...
19
votes
2answers
9k views

Seeing apt-get changelogs for to-be-upgraded packages

This question describes how to get the changelog for a given package. However, it's the whole changelog. What I'd like is a way to see what's changed in whatever I'm about to upgrade. For example, I ...
37
votes
7answers
81k views

apt-get update very slow, stuck at “Waiting for headers”

I have looked at similar questions: Stuck at 0% [waiting for headers] (apt) apt-get update stuck on "Waiting for Headers" However neither one of them answer my problem. I am running ...
16
votes
0answers
6k views

How to find and delete duplicated sources list entries? [duplicate]

Is there a command line to find and delete duplicated entries in the /etc/apt/sources.list file? or is this possible via synaptic perhaps?
3
votes
2answers
4k views

How can I avoid “please insert CD/DVD” error when updating Ubuntu?

I can't update 12.04 LTS. The Update Manager shows this: CD/DVD 'Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386 (20120423)' is required Please insert the above CD/DVD into the drive ...
73
votes
8answers
47k views

Is it possible to get a list of most recently installed packages?

Is it possible to get a list of packages that were most recently installed through apt-get?
67
votes
9answers
29k views

Generating list of manually installed packages and querying individual packages

I'd like to get a list of packages installed manually by apt or aptitude and be able to find out whether a foobar package was installed manually or automatically. Is there any neat way of doing that ...
18
votes
1answer
6k views

Why does my 64-bit system look for 32-bit repos?

I've got a 64-bit 12.10 install on my Laptop. When running apt-get update, it downloads package lists for 32-bit packages (as well as source and 64-bit package lists). Why does it look for 32-bit ...
16
votes
3answers
9k views

APT wedged by kernel version mismatch

Apt is seemingly unable to do anything useful for me, repeatedly giving messages of this form: dpkg: dependency problems prevent configuration of linux-server: linux-server depends on ...
4
votes
2answers
38k views

Ubuntu 13.04 - installation Nvidia driver

I've installed Ubuntu 13.04 on my laptop HP 6720s with video card Intel 965 chipset Intel gma x3100. After the boot the classic purple screen appear and before the login page the screen become black ...
5
votes
3answers
13k views

apt-get 403 Forbidden

I've start a new job today and I am trying to set up my machine to run through their Windows server. I've managed to get a internet connection through the server now but now I can't run apt-get ...
33
votes
2answers
32k views

What does “No apport report written because MaxReports is reached already” mean?

When installing a Linux kernel image package, I got, amongst other errors: No apport report written because MaxReports is reached already Where can I delete old reports so that Apport can ...
10
votes
3answers
5k views

How to bypass/remove/disable the untrusted package authentication

First the image: then me saying "Say What!!.. How the..What the..??". Basically I am stunned. How can I disable/bypass/remove/explode the option for the untrusted packages not letting me install ...
6
votes
2answers
88k views

E: Some index files failed to download. They have been ignored, or old ones used instead after apt-get update

My /etc/apt/sources.list contained: nazar_art@nazar-desctop:/etc/apt$ cat source.list deb http://security.ubuntu.com/ubuntu precise-security main universe nazar_art@nazar-desctop:/etc/apt$ cat ...
1
vote
1answer
8k views

Update information outdated, “Failed to fetch cdrom” [duplicate]

I have a warning triangle on the top of my screen. When I click on it, it says that my update information is outdated. When I type sudo apt-get update && sudo apt-get upgrade into a terminal, ...
9
votes
4answers
32k views

Old version of gcc for new Ubuntu

Is there a repository containing packages for old versions of gcc, for the latest Ubuntu. I want to install gcc3 alongside gcc 4, for programs that need gcc3 specifically.
5
votes
2answers
2k views

Can I use apt-get or aptitude to install software to non standard location?

When I install a software using apt-get it installs to default locations i.e to /usr/bin, /usr/lib, /usr/share and etc. For example when I install "Meld Diff Viewer" using sudo apt-get install meld ...
1
vote
0answers
3k views

Update manager generates 404 error while attempting update. Will not update [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? While running update manager in Ubuntu 11.10 Oneric Ocelot I receive this list of errors. > W:Failed to fetch > ...
77
votes
4answers
163k views

Will apt-get dist-upgrade upgrade my system to newer version?

I am using Ubuntu 12.04 right now. If I use command sudo apt-get dist-upgrade will that upgrade my ubuntu to 12.10? Does that mean I am not using the LTS version after that? I don't want to use Ubuntu ...
28
votes
4answers
65k views

How can I reinstall Apache HTTPD after deleting some of the configuration files?

I recently was messing around with my Apache config and wanted to reinstall so I could start from fresh. I followed some forum posts about reinstalling the apache2 package and this ended up deleting ...
24
votes
1answer
11k views

Should I use tasksel, tasks in APT or install regular metapackages?

Tasksel or plain Apt? In the past I've always used tasksel to install so-called "tasks". It seems, however, that this has been integrated in APT: apt-cache dumpavail | grep ^Task [...] snip Task: ...