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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3
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1answer
46 views

Can you change where apt installs software?

After 3 months of using Ubuntu I realized that apt is installing software to my SSD instead of my HDD. Presently I'm booting from my SSD but I have my home directory installed on the HDD. Is there ...
0
votes
0answers
30 views

Can not install packages after upgrade to 14.10

After upgrade to 14.10 from 14.04 (desktop ed) I can't install new packages or update the existing ones. The system boots but when I do a sudo apt-get upgrade I get some error saying that some ...
0
votes
2answers
14 views

Installing packages without docs

I want to install a bunch of packages, but I don't want to install the documentation of them. How can I do this?
0
votes
0answers
49 views

Cannot install skype after upgrading to Ubuntu 14.10

After upgrading to 14.10 Skype was removed from my installed packages. When trying to install I get this message: The following packages have unmet dependencies: skype : Depends: skype-bin I've ...
0
votes
0answers
14 views

Problems with USB devices

I'm a newbie when it comes to Linux, but I've been using it in quite a while and I'm enjoying so much! But since I edited my /etc/apt/sources.list file I've had a problem with downloading packages, ...
16
votes
3answers
900 views

What does apt-get install do under the hood?

I want to know what does apt-get install ... command do. When I enter apt-get install ... command, there are some texts appear in the screen but that does not have enough information for me. I want ...
0
votes
0answers
22 views

Unmet dependencies installing wine

I've did all solutions in here But I cannot solve this error vahid@DEMON:~$ sudo apt-get install wine1.7 Reading package lists... Done Building dependency tree Reading state information... ...
4
votes
2answers
415 views

Nginx Suddenly Appeared

I've never heard of this happening, so I'm baffled and not sure where to begin debugging. I'm on 14.04 and have had LAMP installed (as instructed here) for 3-6 months. Today, my laptop rebooted, and ...
0
votes
0answers
9 views

Installing deprecated tool pack

I'd like to install the pack tool to solely employ Huffman coding to a file, for academic purposes. It is suggested to install liballegro4.2-dev, but I doubt it provides the same tool. Looking for ...
0
votes
1answer
22 views

Error processing archive while installing Mate on Ubuntu 14.04

I got this error when trying to install Mate 1.8.1 on ubuntu 14.04: Unpacking mate-applets (1.8.1+dfsg1-1~trusty1) ... dpkg: error processing archive ...
0
votes
0answers
22 views

Preseed for populating sources.list not working [on hold]

I want to use a mirror of mine to make the Ubuntu Installation, and I add to the preseed file this parameters: ### Mirror settings # If you select ftp, the mirror/country string does not need to be ...
0
votes
0answers
23 views

I used Autoremove command

I was un installing some items from xubuntu 14.04 but after some time i got message like to use autoremove..and now when i logged in after rebooting everything i suppose important is gone. Even my ...
0
votes
1answer
26 views

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 ...
-1
votes
0answers
14 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 ...
0
votes
1answer
35 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
votes
1answer
28 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 ...
0
votes
1answer
36 views

“Connection failed” during $ sudo apt-get update [duplicate]

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 ...
-1
votes
0answers
22 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 ...
0
votes
0answers
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 ...
1
vote
1answer
78 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: ...
0
votes
1answer
22 views

I cannot install any packages [duplicate]

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 ...
0
votes
0answers
16 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 ...
-1
votes
1answer
19 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 ...
0
votes
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 ...
0
votes
0answers
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 ...
0
votes
1answer
19 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 ...
0
votes
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 ...
1
vote
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, ...
1
vote
1answer
35 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 ...
0
votes
1answer
53 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 ...
0
votes
1answer
28 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. ...
0
votes
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 ...
0
votes
1answer
15 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 ...
2
votes
1answer
225 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 ...
0
votes
0answers
15 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 ...
0
votes
1answer
29 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 ...
1
vote
0answers
93 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 ...
0
votes
3answers
24 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 ...
0
votes
0answers
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 ...
0
votes
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 ...
0
votes
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 ...
-1
votes
0answers
24 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 ...
0
votes
0answers
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 ...
0
votes
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
votes
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
votes
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 ...
0
votes
0answers
21 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
votes
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 ...
1
vote
1answer
31 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 ...
0
votes
0answers
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 ...