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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Unable to install latest git on Ubuntu

I have checked this answer and followed the same steps. My system throws git is already the newest version. But when i do git --version it shows git version 1.8.1.2 I need to install git >= ...
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1answer
34 views

dpkg error while installing fail2ban on ubuntu 15.04

I'm trying to reinstall fail2ban after upgrading from 14.10 to 15.04. I was getting these errors so I did apt-get remove fail2ban and then apt-get install fail2ban, however I still get these error ...
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// , How can I prevent Prey 1.4.0 and 1.3.9 installation happenning over and over as it tries chown?

// , I keep seeing attempts to chown files for prey 1.4.0 and prey 1.3.9 near the end of the output for any dpkg installation command. For instance I get the following spew in response to sudo ...
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1answer
22 views

14.04 - GPG error, public key not available

apt-get update returns: W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D46F45428842CE5E i've ...
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2answers
40 views

error with apt-get and dpkg

I cannot do any apt-get commands without error. I have tried many commands like sudo apt-get purge, sudo apt-get -f install, sudo dpkg --configure initramfs-tools, etc. I continue to get the ...
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0answers
25 views

Errors installing CUDA development libraries on Ubuntu 14.04

I'm having some trouble getting the CUDA development environment up and running on Ubuntu 14.04. I initially tried using the nvidia-cuda-toolkit package from the repository, and although everything ...
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0answers
55 views

Cannot update ubuntu 15.04 or install any package

Whenever I try to update or install a package this happens:( I have no idea how to fix this) anurag@anurag-desktop:~$ sudo apt-get install oracle-java7-installer oracle-java7-set-default Reading ...
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0answers
22 views

Errors were encountered while processing: android-studio

Whenever I install a new software or I use update command on the terminal i always get this error message and update is also interrupted. what do i do? I encounter the following error message- ...
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0answers
46 views

HTML in package list from Steam

This error suddenly popped up on my Linux Mint 17.1 install: E: Encountered a section with no Package: header E: Problem with MergeList ...
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0answers
20 views

Problems creating custom deb packages

I am trying to create a few packages that will replace ones that are existing from the standard Ubuntu repositories. I am currently testing this setup as a local file:/ repo to mimic how it will be ...
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0answers
82 views

An error occurred not sure how to fix it

I am new to Linux and Ubuntu and I recently got a error that is bothering me. I typed sudo apt-get install -f into the terminal it responds with this Reading package lists... Error! E: Encountered a ...
2
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1answer
39 views

mysql-client-5.5 update error

I just run apt-get upgrade and many packets should be updated. I allowed them all (question after Disk Space and verification). After the download and my configured packages Ubuntu told me from an ...
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0answers
51 views

404 Not Found [IP: 91.189.91.24 80] when installing package on ubuntu 13.10 [closed]

I am using ubuntu 13.10, and I am trying to install curl, and I am facing with this problem: sudo apt-get install curl ... Then this warning comes up: WARNING: The following packages cannot be ...
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1answer
32 views

Always getting error during apt-get install

Whenever I try to do apt-get install/upgrade, I always get a series of errors like below. Is it because of some incorrect entries in /etc/apt/sources.list file. If so, how to correct it? $ sudo ...
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0answers
7 views

apt-get with unstable connection?

I'm now on vacation for a month and my Internet connection is extremly unstable. I can't install any app, even with --fix-missing Is there an option to continue downloading after a "break" ? Thank ...
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2answers
40 views

How can I get a list with the packages selected by apt-get autoremove?

Is there any command that prints only the name of the packages that apt-get autoremove selects? I'm creating a script that updates the kernel, removes the old kernel and the unnecessary packages ...
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1answer
33 views

dpkg error while installing gnome-session-fallback

I was trying to do sudo apt-get install gnome-session-fallback. This is the output I get: (Reading database ... 353039 files and directories currently installed.) Preparing to unpack ...
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0answers
27 views

Can't open software-centre [duplicate]

I can't open software-center or even apt-get any programs. When I run the software-center via command I get this error: http://pastebin.com/wwxZe7ma Can anyone help? Also the steam thing you linked ...
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3answers
111 views

Need help removing linux-image-3.16.0-34-generic and linux-image-extra-3.16.0-34-generic

So I feel like a dunce having to post about this but, I need help trying to fix this issue, mostly because without the fix I can't install any new software or run updates. For some reason one of the ...
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1answer
227 views

sudo apt-get -f install #?

I'm reading a line in some instructions and one of the steps is written as: sudo apt-get -f install # Install dependencies and finish configuring the packages(s) so i'm wondering is the "#" what ...
1
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1answer
47 views

Steam hash sum mismatch and invalid file format errors

I have Steam Beta installed, and when I just ran: sudo apt-get update I got the following output: Ign http://security.ubuntu.com vivid-security InRelease Ign http://gb.archive.ubuntu.com vivid ...
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2answers
19 views

Unable to locate package mongodb-dev [closed]

I try to install mongodb client for c++, but get this error message Unable to locate package mongodb-dev, when I do: $ sudo apt-get install mongodb-dev even though mongodb-dev seems to exists, ...
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0answers
12 views

Use DEB for distribution of WAR?

I have created a Java EE program with a WAR-file as a result. To run this file I use the JBoss Wildfly 8 server. Now I have multiple Ubuntu systems where I want to install the Wildfly server and run ...
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3answers
192 views

W: Failed to fetch http://repo.steampowered.com/steam/dists/precise/steam/source/Sources Hash Sum mismatch [duplicate]

I am having trouble updating and upgrading my repository. I receive the following messages when I update and upgrade: W: Failed to fetch ...
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3answers
32 views

How to edit/recover 'sources.list' file

How can I recover sources.list which has crash and I can not do any software update. When I click on the update icon I do not get any response. I try to edit the sources.list file the “vi”editor did ...
1
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1answer
48 views

E:The method driver /usr/lib/apt/methods/gpgv could not be found

Anytime I go to update and/or upgrade, apt-get returns the error below: Failed to download repository information E:The method driver /usr/lib/apt/methods/gpgv could not be found. Running: 12.04 ...
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1answer
24 views

How to install package from 12.04 on 14.04?

I am on 14.04 (64-bits) and I want to install some <package>:i386 packages from 12.04. The reason I want to do this is because some of my 32-bit applications work well on 12.04 but not on ...
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0answers
20 views

I installed Popcorn Time, it deleted all my Desktop items

Is anyone else familiar with this problem? What can I do to restore my data? Is there any default way Ubuntu backs up my stuff? Could it be moved somewhere? Nothing else is affected, only desktop, ...
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0answers
20 views

how to repair grub package in apt/dpkg?

When trying to remove obsolete packages I get the following errors for the grub package. How can I repair this? And what could have been the cause? Note that I tried to remove some java packages in ...
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1answer
26 views

Upgrade problem with add repositories and ubuntu software center

I want to Update my OS, Ubuntu 14.04 and I have problems with Ubuntu Software Center and add repositories for install more apps. the command: sudo add-apt-repository ...
0
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1answer
17 views

Set a local repo in order apt-get to handle .deb dependecies

I am trying to do something, which I have already done on .rpm distributions, on Fedora more exactly. Basically I want to create a local repository, which I can put a .deb file in, so that apt-get can ...
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1answer
41 views

Python is not working in ubuntu 14.04 LTS

I am getting the error: The program 'python' is not installed. You can install it by typing: sudo apt-get install python-minimal I have done this and it still gives me the same error.
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2answers
109 views

How to install software in terminal in one line and one time?

I want to create a code that I put my terminal to install few software at the same time. For example, after a fresh install, I like to install this kind of software, but I have to line per line... I ...
3
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1answer
36 views

Package list file for update in Ubuntu

If I execute update on Ubuntu: sudo apt-get update I do only updates, which are specified in some file . What is this file? (Sorry, if this topic is already duplicate) Probably I will set my ...
1
vote
1answer
18 views

/usr/bin/dpkg issue when installing apache

I think I may have deleted an important directory while uninstalling apache I'm experiencing the following issue when trying to install Apache: Setting up apache2 (2.4.7-1ubuntu4.4) ... cp: cannot ...
1
vote
1answer
20 views

Deploy application with Qt5 to 12.04

I need to deploy my application which is depend on Qt5.x. No problem with that on 14.04+, but for 12.04 users there is seems to be no way to get qt5 from standard package repository. I'd like to pack ...
0
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1answer
50 views

Updating popcorn time app

I have this app for watching movies, but it does not show up in Ubuntu Software Center, nor can I uninstall it or update it. I cannot tell what version I have, because I cannot find it among the ...
1
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1answer
17 views

Installing Using Terminal Brings Up Long List of Auto Removable 'Options'

So I'm using the terminal to install a few programs, little minor things like visual boy advance and such. Every time I do, it makes a rather gigantic list of things that can be removed with ...
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0answers
23 views

apt-get update fails on 14.0.4

I have installed Ubuntu 14.04 LTS on a Oracle Virtual Box and when I try to build a docker image, the execution of apt-get update is failing with the following errors: FYI: I am able to ping the ...
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0answers
43 views

How to prevent apt-get install from removing package holds?

We've recently upgraded from 10.04 to 14.04. We have some held packages, which we upgrade them from time to time. It appears that on 14.04, when you install or upgrade a package it removes the hold ...
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0answers
42 views

Ubuntu 15.04 amd64 updates broken

I have installed Xubuntu 15.04 - 64 bit on my NUC. So far so good, but when I try to update the sys things go horribly wrong. First: apt-get update This fails for a number of repositories with error ...
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0answers
25 views

Unable to run apt-get update openssl on 12.04

I am trying to run sudo apt-get update openssl on Ubuntu Server 12.04, however when I do, I get the following error: Starting nginx: invoke-rc.d: initscript nginx, action "start" failed. dpkg: error ...
2
votes
1answer
26 views

Whats the difference between installing a desktop from iso and apt-get? [duplicate]

So lets say I want to install Xubuntu. I can either go to their website and download an ISO, flash it to a memory stick and do an install, one of the options of which allows me to keep all my files ...
3
votes
3answers
441 views

Is it OK to delete uninstalled packages from Ubuntu? [closed]

I ran aptitude from the terminal, and it said that I have 69,000 uninstalled packages. Can they safely be deleted without affecting system stability or functionality?
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1answer
30 views

Does apt-get purge remove reverse dependencies?

Suppose we sudo apt-get purge mypackage. If mypackage, which is a dependency of yourpackage, is installed at the time that we purge mypackage, is mypackage also removed?
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1answer
35 views

Unable to locate package dist-upgrade

Running Ubuntu 14.04.2 LTS. sudo apt-get update succeeds. Sources file is unmodified. But: sudo apt-get install dist-upgrade [sudo] password for wade: Reading package lists... Done Building ...
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0answers
16 views

Cpyrit Installation help

I keep having trouble installing cpyrit error is as follows Precision-M4600:~/Downloads/cpyrit-cuda-0.4.0$ python setup.py build The CUDA compiler and headers required to build kernel were not found. ...
0
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1answer
24 views

updates hang on download, both from gui and apt-get command - Mac Book Pro 2009, Ubuntu Precise

I recently installed Ubuntu Precise on a 2009 Mac Book Pro. I followed the instructions from here: https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation It took quite a bit of ...
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0answers
24 views

apt-get can't overwrite file of already existing file of another package

I'm having problems with installing some applications. unity-tweak-tool I installed the program crashes after installation. I do not know what to do? apt-get -f install Reading package lists ... ...
2
votes
1answer
49 views

Can't install Skype or update in Kubuntu 15.04

I am rather new to Linux, so I figured I would start "easy" with Kubuntu. My issue was immediate that Skype would not install. It is not in Muon Discover (software center) and adding the repo to ...