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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Problems almost every time with repositories [closed]

Often (like today) happens that many and random repositories are unauthenticated due to missing pubkeys. It's not a temporary problem like unreachable ppas for a while (or until I switch to another ...
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41 views

How to fix the “Dependency is not satisfiable:libavcodec53 (>=4:0.7-1)|libavcodec-extra-53 (>=4:0.7-1)” error?

I tried to install Panda3D game engine (1.8 stable) on Ubuntu 14.04 LTS several times and always something was going wrong. I followed each guide I found on the internet for the installation and none ...
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1answer
179 views

Unable to install android studio dependency is not satisfiable

I am trying to install android studio from this source: The following packages have unmet dependencies: android-studio : Depends: lib32ncurses5 but it is not installable Depends: ...
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14 views

Error message when updating pakages

I just started getting this error message when attempting to run sudo apt-get update: W: Failed to fetch cdrom://Lubuntu 14.10 Utopic Unicorn - Release i386 (20141022.1)/dists/utopic/Release ...
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46 views

Errors were encountered while processing: /var/cache/apt/archives/ubuntu-release-upgrader-core_1%3a0.220.7_all.deb

Hey guys I not a ubuntu expert but Im I having a problem and I dont know how to fix it I already tried apt-get clean dpkg --configure -a and nothing I still have the same error when I launch ...
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25 views

Software update shows a stop sign and no wifi/ethernet connection. 14.04.1

On Ubuntu 14.04.1, have been for a while. Symptoms: Screen resolution is low and no internet connection. I have tried both wireless and cable. There is a no entry ...
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1answer
50 views

What does the “apt-get dselect-upgrade” command do?

When running the command apt-get I got all the possible options and commands for apt-get. But one of these commands and definitions I have not seen before: dselect-upgrade - Follow dselect selections ...
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42 views

apt-get update failed [closed]

When running the command sudo apt-get update in Terminal I get the following output: Ign http://extras.ubuntu.com utopic InRelease Hit http://extras.ubuntu.com utopic Release.gpg Ign ...
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1answer
44 views

Error while installing php-pear , dpkg error returned error code 1

I was trying to install mongo php driver on ubuntu 14.04 on x64 system. I used this tutorial and when I was trying to install pecl to install the php driver I got an error at the end of the ...
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25 views

Missing /var/backups directory on ubuntu

I have moved /var to another existing partition with more space . After that when i do sudo apt-get install , it says following error : E: Could not open lock file /var/lib/dpkg/lock - open (2: No ...
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22 views

Cannot install anything in ubuntu 12.10 64bits [duplicate]

I recently installed Ubuntu 12.10 64 bits in my computer. I tried to download several applications from the software center and from the terminal. But was unable to download anything. From the ...
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40 views

grive-tools : Depends: libcurl4-openssl-dev but it is not going to be installed

recently I tried to install Grive Tools, following the instructions from this website Ubuntu Google Drive Client with Grive and Grive Tools. Everything worked perfect until I reached the point where I ...
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1answer
18 views

How does apt handle circular dependencies?

When I installing .deb packages by hand I often encounter circular dependencies. I, then, install it with dpkg -i --force-depends ... and hope it works. How does apt handle circular dependencies?
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18 views

Problem with upgrade [duplicate]

After running apt-get upgrade I got an error. Next I tried apt-get install -f However, it still gives me an error and I do not have a clue how to solve this. Especially because a kernel is ...
0
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1answer
115 views

clang and clang++ not found after installing the clang-3.5 package

After installing the clang-3.5 package, typing clang or clang++ on the command line gives me a message stating which packages those programs can be found in. Attempting to run the install of ...
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2answers
61 views

How are dependencies maintained during uninstallation?

I have recently uninstalled ubuntu-web-browser from my ubuntu 14.04 using synaptic package manager as I don't use it. Now I can't start vlc media player nor play any file using vlc. It sort of opens ...
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1answer
29 views

How to add a PPA which does not include my Ubuntu distribution?

I am trying to add ppa:stevedh/smap to my repository with the following command: sudo add-apt-repository ppa:stevedh/smap It gets added. When i sudo do apt-get update I recieve the following ...
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0answers
22 views

Data files for some packages could not be downloaded

I got this message when starting the system The following packages requested additional data downloads after package installation, but the data could not be downloaded or could not be processed. ...
1
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1answer
22 views

NodeJS install not complete? Error about listen not defined?

My 2nd day with Ubuntu: Installed NodeJS, ran my first NodeJS example. Got next error in console: /home/privateuser/nodejsweb/helloweb.js:11 listen(9999); ^ ReferenceError: listen is not defined at ...
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0answers
24 views

Problem with apt-get update

Hello I'm having a problem with "apt-get update", every time I type the comand it shows me the next error: "E: The method driver /usr/lib/apt/methods/hhtp could not be found" I know the problem is ...
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0answers
24 views

Error while loading shared libraries: libOSMesa.so.8: cannot open shared object

On Ubuntu 14.04 LTS, I need to install the libOSMesa8, one of the Mesa 3D libraries. In particular, I need the file libOSMesa.so.8 to run the graphic tool Asymptote. Only libosmesa6 is available ...
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0answers
21 views

when i tried to use the code “$ sudo apt-get update” the following message is displayed. what does it mean? [duplicate]

when i tried to use the code "$ sudo apt-get update" the following message is displayed. what does it mean? W: Duplicate sources.list entry http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu/ ...
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1answer
54 views

Error when adding ppa repository: keyserver.ubuntu.com: Host not found [duplicate]

I had to reinstall Ubuntu today and despite having configured proxy for Apt, when trying to add a new PPA, the step that communicates with keyserver.ubuntu.com fails: $ sudo add-apt-repository ...
0
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1answer
21 views

How get rid of -bash: /usr/{package}: No such file or directory

First, when I never had installed sl: diogosaraiva@Ubuntu:~$ sl O programa 'sl' não está instalado actualmente. Pode instalá-lo escrevendo: sudo apt-get install sl traslaction: "The program 'sl' is ...
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2answers
44 views

Ubuntu Server not using proxy settings

i am using the ubuntu server package (terminal only) and i am struggling to get the proxy server working. there is no username/password for the proxy. When i am trying to do sudo apt-get update i ...
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1answer
47 views

XFCE - Unknown Tray Icon

Question: After doing an update on my Xubuntu: sudo apt-get update sudo apt-get dist-upgrade I found after restarting the following tray icon I was not able to identify: I was guessing that it ...
0
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1answer
53 views

Unable to update Ubuntu 12.04: Connection refused

I am unable to update my current version of Ubuntu. Here is the output of sudo apt-get update: Err http://archive.canonical.com precise Release.gpg Could not connect to archive.canonical.com:80 ...
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1answer
89 views

Unable to install any package using apt without the need of an extra package

I wanted to install Android Studio. So, I followed this: sudo apt-add-repository ppa:paolorotolo/android-studio sudo apt-get update sudo apt-get install android-studio But then this started ...
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0answers
21 views

Debian: Remove files from a source package

There exist a dh_install command who reads install, pkg.install and install additional files. Does exist something similar for removing files who are installed by upstream sources but I don't want to ...
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0answers
26 views

dpkg depedencies

Got server from another person with problem with dpkg .. When I try to upgrade I got this message $ apt-get upgrade Reading package lists... Done Building dependency tree... Done You might want to ...
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0answers
20 views

Purge or remove command in APT tries to install new packages, how to circumvent this?

I am running Ubuntu 14.04.1 64-bit and when use the purge command for openjdk-7 it suggests to install various packages and I cannot cancel it. Is there a possible work around this issue? You can see ...
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18 views

Why does apt-get not update everything? [duplicate]

Many times, when I do: sudo apt-get update sudo apt-get upgrade There will be updates that can be installed with the GUI update/upgrade manager (such as Muon) that were not applied by APT. I also ...
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2answers
34 views

unable to install apache2 on precise

Below is the error while running the command: root@mycompanyname:~# apt-get install apache2* Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to ...
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1answer
27 views

Install some packages (with deps) on machine that has no internet connection [duplicate]

I have server with installed minimal "Ubuntu 14.04. server" on it. This server has no internet connection. How can I deliver on this machine packages like qemu-kvm, libvirt-bin, virtinst (with their ...
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0answers
20 views

uninstalling ns-2.35 from ubuntu

sairamana@sairamana-Aspire-4739Z:~$ sudo dpkg -P ns-allinone-2.35 [sudo] password for sairamana: dpkg: warning: there's no installed package matching ns-allinone-2.35 ...
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1answer
51 views

Unable to correct problems, you have held broken packages while installing nfs server?

I am trying to install nfs server on my Ubuntu 12.04 machine but everytime it is giving me an error like this - david@machineA:~$ sudo apt-get install nfs-common nfs-kernel-server Reading package ...
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38 views

Update PHP without removing every dependency

I'm having an issue where I just need to do something as simple as upgrade my PHP version from 5.3 to 5.6. The only issue is that Plesk is installed and I don't know how to upgrade it without Plesk ...
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0answers
41 views

Error Message in Arista Transcoder, how to install ffdeinterlace plugin?

I keep getting this error message when I want to transcode a dvd into say an avi file format. This is the error message I get: "Required plugin could not be found" "Python (v2.7) requires to ...
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1answer
84 views

How to install programs from a .deb file, like apt-get install supertux

I am an maintainer for a lot of computers in my town running ubuntu 12.04 and 14.04 with mate desktop, this is to help people just having a computer that just works :), and i cannot make them all do ...
0
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1answer
26 views

Update Error on my Ubuntu 14.04 [duplicate]

I am getting this error while my update never completed fully. W:Failed to fetch http://ppa.launchpad.net/iaz/battery-status/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found , E:Some ...
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0answers
10 views

apache2 can't open config file

apache2 has come preinstalled on the VPS that I am using. However, upon using the apache2 command to start it in the terminal (PuTTY), it reported that it couldn't open the configuration file. Using ...
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0answers
12 views

Same error message at end of every update run

Each and every time that I run update, the last 4 lines read as follows: Reading package lists... Error! E: Encountered a section with no Package: header E: Problem with MergeList ...
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0answers
11 views

Unable to install mysql-server-5.6 on ubuntu 14.04 [duplicate]

when i install mysql server on Ubuntu 14.04 san@san-desktop:~$ sudo apt-get install mysql-server-5.6 Output: E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: ...
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1answer
25 views

how to check package version before install

Im trying to install Apache 2.4.12 or apache2.4 at least. I see some listings for apache2.2 in the apt-cache, but I don't see apache2.4. How can I verify the actually version that sudo apt-get ...
0
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1answer
45 views

Can't install software from repository [duplicate]

I want to play games from mini clip website, tried it in Firefox. Even though it has flash player installed through software center, the games are not working. I tried chromium, but was unable to ...
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3answers
68 views

Cannot install WGET in Ubuntu 12.04.5 lts

What do you think are the reasons that causes this error? The program 'wget' is currently not installed. You can install it by typing: apt-get install wget If I type apt-get install wget the ...
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1answer
33 views

accidently removed python using purge

i accidently performed sudo apt-get purge python2 now my terminal wont show the colors and many libraries have been gone. Cant i revert back the changes even sudo apt-get build-essentials is ...
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0answers
14 views

Software Updater not detecting all upgrades [duplicate]

This happens every so often, I run this command in Terminal (after running sudo apt-get update): sudo apt-get upgrade And I get an output such as (this is what I got today): Reading package ...
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0answers
17 views

How to submit package to science universe repository?

I am one of the authors of an open-source (GPL) scientific package that I would like to make available to Ubuntu users through the science repository. Is there a step-by-step guide on how this is this ...
0
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1answer
21 views

Can Stand-alone deb packages be updated?

I've downloaded and installed a deb package of Ubuntu Tweak from its website: http://ubuntu-tweak.com/. Is there a way to watch for updates for the package like packages which are in a repository?