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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Can't Start Carbon - 12.04 - Python Error

I am really hoping someone can help me as I have spent at-least 15 hours trying to fix this problem. I have been given a task by a potential employer and my solution is to use ...
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I used 'apt-get install -f'. Now all my applications are gone and those I have reinstalled look wrong.

I used 'apt-get install -f' when prompted by the updater. Normally this should have fixed the problem, however in my case it seems to have damaged the system quite a lot. Now all my applications are ...
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Cannot Install or update, problem with apt-get Ubuntu 12.04.03 Server

I am unable to install anything on my Ubuntu server. When I do, i get the suggestion to run apt-get -f install When I try running apt-get -f install I get: apt-get -f install Reading package ...
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How to trigger apt-action if program is updated/upgraded?

Question: I want to do some things if a few special programs are updated/upgraded, that is to say when their executable and/or config files get changed/overwritten. Specifically, I want to ...
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1k views

How to install 32bit SDL on 64 bit Ubuntu

I have an application that is dependent ia32-libs. But now that this package has been deprecated, it seems like I'll have to install everything by hand... It seems that that I can install it like ...
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224 views

Kerio VPN client Broken Count >0

I've just installed this package: kerio-control-vpnclient-8.1.1-1212-p3-linux.deb using following command: sudo dpkg -i --force-architecture --force-depends ...
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103 views

How can I to force apt-mirror to produce more detail?

I'm using apt-mirror to copy all package in some repository and make my own local repository. But there is a problem. apt-mirror does not make enough information about what is it doing or what it was ...
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947 views

Ubuntu Server: dpkg returned an error code (1)

I have experienced this error in the past but have been able to resolve it by running 'sudo apt-get -f install'; however, that is no longer the case. I have spent about 4 hours looking into this and ...
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113 views

Preventing apt-get from downloading other packages

I've recently installed Oracle JDK on my Ubuntu. Now when I download any package, apt-get first tries to download oracle-java8-installer. How can I stop it from doing that? Edit: Here's the output of ...
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165 views

how can I fix? Error: Opening the cache

I'm new to Ubuntu.I installed the newest version two days ago. I used the Software Updater and when I restarted the computer the Dash and Launcher were missing. I tried reinstalling the OS, the dash ...
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386 views

“sudo apt-get update” keeps hanging at the same point

Since today I have a problem updating. Every time I try sudo apt-get update the process hangs at the exact same point. ... Ign http://de.archive.ubuntu.com raring-backports/main Translation-de_DE ...
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248 views

12.04.2 LTS hangs up on boot - but with startx start the graphical surface

3.2.0-48-generic-pae,Ubuntu 12.04.2 LTS, GNOME 3.4.2 I updated the system today, and cleaned up with apt-get autoclean, apt-get autoremove and now I have a problem. At the start while the system ...
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244 views

Error during “Starting system logging syslog-ng” Ubutu server

Here the output when I try to install or upgrade something with apt-get: Starting system logging syslog-ng Error opening file for reading; ...
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256 views

Unmet dependencies after trying to install gcc-4.7 on Ubuntu 12.04

I know there are already many questions about unmet dependencies but none of them helped me so far. Even this really detailed answer (How do I resolve unmet dependencies?) didn't solve my problem. ...
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39 views

how to use slirp to build packages without sudo?

A comment to the answer of the question: Is it possible to run pbuilder without root privileges? says this, If Slirp works out of the box and doesn’t require root (for writing to /etc and ...
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60 views

apt without root or sudo?

I want to use apt (or pbuilder) to build a package in user's home directory. The home directory has enough space to hold the package's source, its dependencies and binary output. But the apt ...
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3k views

unmet dependencies, linux-server depends: linux-headers-server, but boot is full

Hello I have an problem with unmet dependencies, but I cant fix it. $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might ...
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359 views

Unable to install or update anything in 12.04

recently I ran into a problem which seemed pretty similar to that described in this post: How do I deal with "unauthenticated sources" errors in the Software Center? I was receiving this ...
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146 views

Error while installing cacti

I tried installing cacti with sudo apt-get install cacti. It displays an error message at the end Reading package lists... Done Building dependency tree Reading state information... Done Some ...
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97 views

Repository fetch failure

These are the errors I get: (as you can see, I connect to the internet from the education department proxy) W:Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/quantal/Release.gpg Something ...
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241 views

dpkg error when installing linux

After running: sudo apt-get -f install or sudo apt-get install linux this error appears: dpkg: error processing linux-generic (--configure): dependency problems - leaving unconfigured dpkg: ...
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584 views

Samsung driver doesn't detect SANE correctly

From 13.04 (server) I'm trying to install the Samsung Unified Printer Driver as specified by https://wiki.ubuntu.com/HardwareSupportComponentsPrintersSamsung which has a dead link. In any event, the ...
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856 views

Why the installation fails for this package? it says linux-headers not found but it is there

This package is failing to get installed, but the linux-headers are installed. root@sun-Alienware-X51:/var/tmp# uname -a Linux sun-Alienware-X51 3.5.0-28-generic #48~precise1-Ubuntu SMP Wed Apr 24 ...
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76 views

Update Evince Oneiric

I would like to update Evince to the newest version (3.6.1) in Oneiric. When I do apt-cache show evince i get package with this version: 3.2.1-0ubuntu2.3 So I downloaded the newest version with ...
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546 views

Fix Flash via command line

Like many others (How do I fix Flash issues?) I am having flash issues with firefox Ubuntu 12.04 64bit Firefox 20.0 And for the life of me I can not get Flash to play. I have tried: sudo apt-get ...
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174 views

`libqapt-runtime' contains empty filename error while updating

Whenever I try to update Ubuntu 12.10, it always gets interrupted by this error: files list file for package `libqapt-runtime' contains empty filename I have tried to install with apt-get as well ...
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391 views

Ramifications of uninstalling GCC 4.7 in leu of GCC 4.6 in Quantal?

I currently have both the gcc-4.6 and gcc-4.7 packages installed in Quantal. I do a lot of software development but haven't had a need for any features that are specific to GCC 4.7. Therefore, in ...
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210 views

Errors while processing jackey-common and jockey-gtk

I did a sudo apt-get update and sudo apt-get upgrade and keep getting this error: Reading package lists... Done Building dependency tree Reading state information... Done The following packages have ...
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514 views

Package dependencies errors?

I have some problems with Lubuntu. When I tried sudo apt-get update: Fetched 1,222 kB in 7s (171 kB/s) ...
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983 views

how to remove a foreign architecture?

On Ubuntu 12.04 LTS x64, we'd like to remove the i386 foreign architecture it comes with, but I don't see a "dpkg" command to do this cleanly. In Stuck with foreign-architecture=i386 when using ...
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308 views

apt-get problem. Download stops [12.04]

When I apt-get update or install a software with apt-get install application. It works fine for few second then the download freezes. Same with Ubuntu software center. The download stops after 3 ...
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104 views

Regarding apt-cache search -n on iPhone

I try to search certain package using apt-cache search -n iap cracker, but some list from /var/lib/apt/lists it's not appear. Example: Ojek:~ root# apt-cache search -n iap cracker ...
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781 views

apt-get update will not work on my server

I've just installed Ubuntu Server 12.04 on my spare box, and I'm using a command line interface only to get my feet a little wet. ping google.com does work, so I know my connection is up and running. ...
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64 views

Understanding the working of Apt Virtual HTTP Repository

My university has a virtual HTTP repository which we can access by changing our proxy to 10.1.1.224:3142. Our regular proxy to access the internet is 10.1.8.44:8080. It incredibly speeds up download ...
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519 views

cannot reinstall skype after manually removing its “held back” package

I am running 12.04 (precise) Ubuntu on my computer, which I keep it up to date. Recently skype started being listed as a "kept back" package whenever I ran a software update. Stupidly I uninstalled ...
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1k views

Packages not found despite correct /etc/apt/source.list

My /etc/apt/sources.list looks like this deb http://de.archive.ubuntu.com/ubuntu quantal main restricted universe multiverse deb http://de.archive.ubuntu.com/ubuntu quantal-updates main restricted ...
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1k views

How to resolve dpkg error code (1)?

I get the following apt-get error message: sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to ...
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1k views

A TLS packet with unexpected length was received

What kind of errors is this ? I am getting this error while doing the update of my cache with sudo apt-get update Error : Err https://private-ppa.launchpad.net precise/main i386 Packages ...
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39 views

Have the repositories been shortened?

I just sudo apt-get updated my repos and it took in total, 5 seconds to get everything. It usually takes 2/3 minutes. Have the repos been shortened?
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230 views

Secure APT GPG problem with Release files

I'm experiencing a problem with apt. We're using our own repository and the users apt is configured to check the peer and host of the repository. Furthermore the Release file is verified (with the ...
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Ubuntu mysql workbench menu shows doubled

I install mysql-workbench in ubuntu 14.04 LTS software center. It install mysql workbench version 6.0.8. In this, menu is doubled So I decided to upgrade the mysql workbench version and add a ...
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Adding repositories behind proxy, receiving error message “gpg: keyserver timeout recieve failed”

I'm connected through a network proxy, and not able to add any repositories because of following error message: gpg: keyserver timeout recieve failed How can I fix this issue?
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9 views

Apt-cacher-ng “known data hit, don't write to”

I am using Ubuntu 12.04.1 LTS (Precise Pangolin). kernel version 3.10.39. I install apt-cacher-ng server with 0.7.2-1ubuntu2.1 version. With time, downloading of packages becomes extremely slow ...
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Openssl is not installing

I am trying to install Openssl in my Ubuntu 64bit os which is running in Virtual Box, But i am keep getting the following error. root@Ubuntu64Bit:~# sudo apt-get install openssl Reading package ...
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16 views

Updating hard limit of “maximum open files” of running process

I am trying to increase the "maximum open files" limit of my running process (apt-cacher-ng). I am following below link http://gregchapple.com/updating-ulimit-on-running-linux-process/ By following ...
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8 views

Backup and Restore list of installed packages and APT sources

I commonly reinstall Ubuntu and back up my APT stuff [sources, keys and installed package lists] using the tutorial at http://askubuntu.com/a/99151/371765. However I commonly also remove software such ...
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Unable to update ubuntu 12.04: GPG error : the public key is not available: NO_PUBKEY 3EF2666A18CEC0F6

W: GPG error: http://download.opensuse.org Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3EF2666A18CEC0F6 W: Failed to fetch ...
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Reinstallation of ubuntu causes install option to disappear

I reinstall ubuntu on my machine which causes removal of install option in software center. There are tons of answers available regarding this, I have tried most of them but unable to solve my issue. ...
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Problems opening frescobaldi on Ubuntu 14.10

I had frescobaldi installed on my machine running Ubuntu 14,10. I wanted to upgrade to the currrent version of that program and attempted to do so using the source code on their website. Now when I ...
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10 views

A huge apt log file from failed upgrade - what went wrong & how do I fix it?

When attempting to upgrade from the 12.04 to a newer LTS it seemed to hang for ages (a good day or two) on "preparing for upgrade" and then the whole system started to suffer. Eventually I rebooted ...