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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How to download a certain version of a package?

I tried sudo apt-get install package-name=1.23, but apparently it is not available for this version of Ubuntu...? I get: E: Version '1.23 for package-name' was not found. Do I need a command line ...
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0answers
15 views

Unable to launch softwares that need root acces

I am running ubuntu 14.04 (64). I was setting the root theme appearance with ubuntu-tweak (something Ive done hundreds of time), meaning using the gtk theme in synaptic, gdebi for instance (otherwise ...
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2answers
40 views

Signatures not verified

These are the signature errors that persist after I tried several fixes mentioned on the Internet W: GPG error: http://deb.opera.com stable InRelease: The following signatures couldn't be verified ...
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1answer
46 views

Can't install nvidia-3xx, missing requirements lib32gcc1 and libc6-i386

Missing requirements lib32gcc1 and libc6-i386. Installing lib32gcc1 says I need libc6-i386. libc6-i386 says I need libc6 (= 2.19-10ubuntu2.1), but libc6 is already installed.
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1answer
19 views

Update from 13.04 to 14.04 [duplicate]

I have a box standing at home, which i did not use for a quite long time, but i would like to update its OS to the latest LTS version of ubuntu - as mentioned in the title. I did search on google on ...
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2answers
35 views

Install ubuntu-desktop dependencies problem

I have added this repository ppa:gurqn/systray-trusty to my Ubuntu 14.04. After this I performed an apt-get update and apt-get upgrade. But soon after I decided to remove installed packages from ...
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1answer
22 views

Can't seem to get Pipelight to install

I've been able to complete all the steps from $ sudo add-apt-repository ppa:pipelight/stable $ sudo apt-get update $ sudo apt-get install pipelight-multi Reading package lists... Done Building ...
2
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1answer
25 views

How to upgrade PHP version to the latest stable released version? Let's say how to upgrade from PHP 5.5.19 to PHP 5.5.20?

I'm using a system running on Ubuntu 12.04 LTS 64-bit OS. I'm currently using following PHP version on this machine: Command used to get the below info at terminal : php -v Details I got are as ...
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6answers
828 views

Deleted the python binary, and can't recover using apt-get, what can I do?

Well. Yep. Wanted a fresh start because I was having dependency confusions, so I ran "whereis python" and literally erased all of the files and directories that came up. Then when I go to run apt-get ...
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1answer
10 views

Video clarity missing in my ubuntu 14.04 32bit

Recently i installed ubuntu 14.04(32bit) in my system, when i play the videos which are already stored in my system are not playing with a clarity, playing something like 3gp videos. But when i play ...
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0answers
26 views

TrueType installation failed, odd error message

Tried to install TrueType (in Ubuntu restricted extras) and got this message after initial install didn't seem to work (Reading database ... 198924 files and directories currently installed.) ...
4
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1answer
63 views

How to recover a completely messed up ubuntu system

I have a system about 3000km away, so I have no access to it. The machine is running ubuntu 13.04 (yes, it's EOL passed long ago), and the python module is completely messed up. when I tried to use ...
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1answer
33 views

What does this mean? [duplicate]

E: Dynamic MMap ran out of room. Please increase the size of APT::Cache-Limit. Current value: 25165824. (man 5 apt.conf) E: Error occurred while processing octave-io (NewVersion1) E: Problem with ...
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0answers
28 views

Can't Install or download anything in Pear OS 8 [closed]

I recently installed Pear OS 8 and have ran into many problems since. Essentially, I can't download or install anything. At first I was getting a "failed to download repository information" error. I ...
1
vote
1answer
42 views

Ubuntu 14.04 wants to update same package every day

I've problem with updating. Ubuntu 14.04 wants to update same packages every day. It's Boot repair (which I installed) and hostApd (which was installed by default) but I do not want them to update ...
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0answers
12 views

unmet dependencies when creating custom CD

I'm creating a custom xUbuntu CD with Ubuntu Customization Kit, using the command line to add/remove packages. All was fine until I installed Ubuntu-Tweak. To do this I had to run sudo ...
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0answers
21 views

Ubuntu 14.04: Problem performing software upgrades (and installing any further packages)

I've just booted up an old Toshiba A100 laptop running 14.04, however I cannot complete the software updates or install any further packages. The error message is: dpkg: unrecoverable fatal error, ...
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0answers
135 views

Sub-process /usr/bin/dpkg returned an error code (1)

Only God knows why I stupidly deleted php and apache2 from my ubuntu 14.04. First manually and then from terminal as well using several online tutorials and then when I tried to reinstall php, many ...
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0answers
24 views

Cant install program from ubuntu software center-it says“check your internet connnection!failed to download repository information” [duplicate]

says..404 not found W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring-updates/universe when enered sudo apt-get update
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1answer
29 views

Updating ubuntu requires changing the download server

So my Ubuntu 14.10 that I have installed on a laptop recently started to behave strangely. It fails to find any new updates while I see that my desktop Ubuntu 14.10 does get new updates about twice a ...
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votes
2answers
48 views

Failed in fetching updates/upgrade (Virtual Box)?

I'm running Ubuntu 12.04 Server (guest machine) on VirtualBox having Windows 7 as host machine. I tried to get updates through sudo apt-get update command but i end-up with the following error codes ...
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0answers
36 views

apt-get, unmet dependencies, … “but it is not going to be installed”

$ apt-get install -f -o 'Dpkg::Options::=--force-confmiss --force-all --force-confnew --overwrite-conffiles' --reinstall at-spi2-core Reading package lists... Done Building dependency tree ...
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votes
1answer
26 views

how to reinstall config files in /etc of a package [duplicate]

If I want to reinstall the configs of some package x (i.e. files in /etc), how would I do that? Does apt-get --reinstall install x always reinstalls the configs? Other answers suggest to remove the ...
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1answer
19 views

get list of modified configs

How can I get a list of all modified configs (in /etc), i.e. configs which differ from the originally installed version, i.e. configs where an update would ask about how to proceed with the locally ...
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0answers
15 views

how to fix-up system with old configs

My father, at the last dist-upgrade, decided to always choose to keep the old config when the system asked because it detected local modifications (which no-one really did do - I guess some tool must ...
1
vote
1answer
19 views

update-alternatives: error: alternative path … doesn't exist

$ apt-get install kde-plasma-desktop ... Setting up oxygen-cursor-theme (0.0.2012-06-kde4.8-2.1ubuntu1) ... update-alternatives: error: alternative path /etc/X11/cursors/oxy-white.theme doesn't exist ...
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votes
1answer
26 views

dpkg error while running apt-get autoclean

I was installing android studio through the terminal but I had to stop the installation by pressing Ctrl+Z. Now I am trying to run autoclean (after a restart) but it won't run.Why is this happening? ...
0
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1answer
25 views

Right way to completely clean up old kernels in terminal

I have been going through various questions about how to clean up old Linux kernels. They all seem to have different answers and they are old, so someone is bound to say the question is too old and ...
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0answers
25 views

postgresql-9.4-postgis-2.1 keeps trying to install postgres-9.3

After installing a new box and wanting to test Postgres 9.4 I decided to try to install Postgis through the Ubuntu repositories, annoyingly I am hitting a problem in that it is trying to add other ...
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0answers
48 views

unable to install gnome and wine broken package in ubuntu 12.4

I have Dell Vostro 3443 laptop. It has a certified pre-install Ubuntu 12.04.2 LTS 64-bit by manufacturer. I have quite lot of software on it, updated using update manager. Now when I try to install ...
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votes
1answer
21 views

Install Flex without removing other packeges?

I tried to install ettercap tool but it stops with error "configure: error: flex was not found, please install" so i tried to install flex using $sudo apt-get install flex command but it reports to ...
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votes
2answers
27 views

cannot install php5-mysql

I have ubuntu 32bit server (14.04), running php5, I am trying to install php5-mysql but I get a dependancy error. How can i fix this? ~$ sudo apt-get install php5-mysql Reading package lists... Done ...
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0answers
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tried everything on the fourms for this error (in desctription) [closed]

E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? I tried every ...
1
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1answer
13 views

dpkg --status package_name

I'm just playing around with Ubuntu 14.04.1 LTS. I installed emacs, and wanted to double check if it was. ~ 1496 $ dpkg --status emacs dpkg-query: package 'emacs' is not installed and no information ...
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2answers
123 views

Why doesn't apt-get autoremove remove my old kernels?

My boot partition is on a SSD, so it doesn't have room for more than about 8 installed kernel versions, and eventually some kernel update will fail to install because my boot partition is full of old ...
2
votes
2answers
36 views

Install program with different run name

I recently installed gfortran with apt-get install gfortran, but it turned out to be the latest version 4.9, which is not compatible with software that demanded gfortran in the first place. So I ...
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0answers
20 views

Enable to install anything after a XAMPP installation in 14.04 LTS

I'm new to Ubuntu 14.04 , i spent some time in it , all was fine till a XAMPP installation : so i can't install anything from command line or from Ubuntu Software Center ! I search a lot for a ...
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0answers
22 views

Ways to download Software through Apt for Extremely Slow Internet?

So I'm in a position where I have two internet connections in my house: Internet #1: caps out so quickly and throttles my internet so low that apt will always return a connection error should I try ...
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3answers
347 views

How can I tell if a CVE has been fixed in Ubuntu's repositories?

Today a couple of buffer overflows in NTP were announced 1, 2. It looks like updating my system to fix these issues is in order. How can I find out if they have been fixed in the Ubuntu ...
0
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1answer
24 views

After apt-get autoremove my desktop style has changed

After doing apt-get autoremove my unity desktop is messed up. I have menus in the application title bar even though it is not set that way. My system font changed as well and program guis are styled ...
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0answers
19 views

I tried sudo apt-get install, but then don't see the application — kindle paperwhite help?

my ultimate goal is to manage my kindle paperwhite with my chromebook, an acer c720p i don't think it's possible to mount a kindle paperwhite on just the chromebook. so i used crouton to install ...
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votes
3answers
135 views

The following packages have unmet dependencies!

I am writing this because I am very confused about installing postgresql 9.3 on mine Ubuntu 14.04. First I need it for mine Python/Django development, and I ran in to the problem, when i tried to ...
0
votes
1answer
27 views

MySQL messed up apt-get? [duplicate]

I tried to install MySQL for my localhost and I managed to break my dependencies, and I can NOT install anything I have tried: Purging MySQL commons, client, server, ect. Removing MySQL commons, ...
1
vote
2answers
46 views

Difference between apt-get remove -y and apt-get purge -y? [duplicate]

apt-get remove <name of program> apt-get purge <name of program> and apt-get purge -y <name of program> Research indicates the running either "remove" or "purge" performs the ...
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1answer
47 views

Unable to reinstall MySQL

What I did before this error: I was trying to install mysql for registration in OpenMRS database and it was succesfully, but i forgot my password. And removed mysql packages, i was getting some errors ...
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0answers
42 views

How to solve W: GPG error: BADSIG

i tried to install steamcmd, wich needs ia32-libs. So cuz this wasn't found, i did the following: cd /etc/apt/sources.list.d echo "deb http://old-releases.ubuntu.com/ubuntu/ raring main restricted ...
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0answers
17 views

I Have This Error And I Really Don't Know How To Fix Xubuntu 12.04

Hi I just encounter this problem when opening my update manager It is Impossible to install or remove any software. Please use package manager "Synaptic" or run "sudo apt-get -f " in a terminal ...
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1answer
76 views

“ERROR MESSAGE: Requires installation of untrusted packages” [duplicate]

I'm running Ubuntu 13.04 in VirtualBox 4.3.20. I keep getting the error message shown in the title when I try to download anything in the Software Center. I tried changing servers in "Software and ...
0
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2answers
34 views

How are Ubuntu packages structured? [duplicate]

When I download a package in Ubuntu, what files does it install on my system and where? I'm just curious about the package structure in general (I searched and it doesn't look like anyone's asked ...
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0answers
17 views

Upgrade a diverted package, dpkg error

I have installed ack (replacement for grep). In debian based systems, since the package name ack already existed (something completely different), the package is called "ack-grep". The install ...