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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Package upgrade hangs forever on mysql-apt-configure

I'm on Linux Mint 17.1 and usually let the update manager update all the packages it suggest. Yesterday it got stuck with an update for MySql. The mysql-apt-config didn't finish for ours so I had to ...
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7 views

key exists already,but still get: GPG error.. The following signatures … public key is not available

I am using ubuntu 14.04 64bit desktop,and updating worked fine before,but suddenly It doesn't(It is a long time from last updating,so I can't ensure what operation leads this problem).As you can see ...
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I apepar to have broken apt-get - how do I figure out what I need to do to fix it?

The first clue that something was wrong as that aptd likes to eat all the CPU: Help: “aptd” is maxing out my CPU? I should have been clued in by the fact that my upgrade died in a rather spectacular ...
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1answer
23 views

Can't install anything with software center

Every time I open Software center I get this message: New software can't be installed, because there is a problem with the software currently installed. Do you want to repair this problem now? I ...
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0answers
20 views

unable to locate package software centre on chromebook? [on hold]

So i've just installed ubuntu on my hp chromebook 14, but i need to install software centre as i can't do anything without it. i try to run sudo apt-get install software-centre but it returns with ...
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15 views

Error 404 when trying to install the package linux-image-extra

I am trying to install the package below on ubuntu/trusty64 apt-get install -y linux-image-extra-`uname -r` and getting the following error Err http://security.ubuntu.com/ubuntu/ ...
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15 views

Package dependencies broken

So I've been trying to install cmake using apt. sudo apt-get install cmake But I get this error message: Reading package lists... Done Building dependency tree Reading state information... ...
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1answer
21 views

Boost install with apt-get fails

I am trying to install the boost libraries through libboost-all-dev: sudo apt-get install libboost-all-dev Reading package lists... Done Building dependency tree Reading state information... ...
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13 views

can't install ubuntu-sdk after installing ubuntu 14.04.2

Now I can't install ubuntu-sdk and I can't resolve the problem. I used: sudo add-apt-repository ppa:ubuntu-sdk-team/ppa sudo apt-get update sudo apt-get dist-upgrade sudo apt-get install ubuntu-sdk ...
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2answers
94 views

How to create a .deb file from installed package?

You can install a .deb package file onto a system by using dpkg -i filename.deb. Is it possible to do the reverse? By reverse, I mean create a .deb package file from an installed package given a ...
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29 views

Can't apt update on Ubuntu 14.04 [duplicate]

Here is log. W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ppa.launchpad.net trusty Release: The ...
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1answer
24 views

Ubuntu Software Center will not open

When I attempt to open the Ubuntu Software center via terminal the following shows: $ software-center 2015-03-03 13:07:01,990 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2015-03-03 ...
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1answer
25 views

How to force apt-get to skip a package version

There is an excellent answer here on how to downgrade a package, but I would like to know how to force apt-get and Software Updater to skip a version. For example, the current release of Firefox is ...
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0answers
29 views

How do you install Xorg-Server 1.17?

I added deb http://ppa.launchpad.net/canonical-x/x-staging/ubuntu utopic main to my sources.list and ran apt-get update. $ sudo apt-get install xorg-server Reading package lists... Done Building ...
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28 views

problem in installing packages [on hold]

$ sudo apt-get install apache2 Reading package lists... Done Building dependency tree Reading state information... Done Package apache2 is not available, but is referred to by another package. ...
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1answer
15 views

Why does the PPA not sync between Source and Binary?

I want to install libxml2-dev to compiled to PHP but I get this error when I try: The following packages have unmet dependencies: libxml2-dev : Depends: libxml2 (= 2.9.1+dfsg1-3ubuntu3) but ...
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1answer
30 views

How to get rid of this message about a failed install [on hold]

I installed Ubuntu 11 after its end of life. I then tried to install java from the repositories. However, the installation failed. Since then, every time I install some other package apt-get tries to ...
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0answers
16 views

libjpeg8-dev : unmet dependencies libjpeg8-dev : Depends: libjpeg8 (= 8d-1+deb7u1) but 8c-2ubuntu8 is to be installed

I was trying to install Ros-Indigo and I am getting the error shown below You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: libjpeg8-dev : ...
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0answers
17 views

Failed to download repository information (FETCH ERROR) [duplicate]

I'm trying to download "Tux Paint" children draw program, my favourite, but it fails to download data because "Fetcher" is broken. If I do sudo apt-get install tuxpaint, it fails too. Check out this ...
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1answer
39 views

Trying to install a package, throwing errors

apt-get install firmware-atheros Throws me an error. I've already changed sources.list to allow non-free. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ...
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0answers
17 views

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 ...
2
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1answer
18 views

“apt-get install wget” installs wget with 000 permissions

I need to install wget and so I used sudo apt-get install wget, and it did, in fact, install it to /usr/bin/wget, but the permissions are all wrong (other lines for context): -rwxr-xr-x 1 root ...
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0answers
11 views

Automatically install apt packages [duplicate]

This might be a terrible idea, but is it possible to have non-installed packages automatically installed? That is, instead of seeing this: $ git clone ... The program 'git' is currently not ...
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0answers
15 views

Adding repositories behind proxy, receiving error message “gpg: keyserver timeout recieve failed” [duplicate]

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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1answer
26 views

'apt-get upgrade' vs 'apt-get install --only-upgrade'

To this day I thought that using 'apt-get upgrade' keeps all my installed packaged to their latest version. Toady however, I realized that my 'deluged' package version is 1.3.6, while there's a newer ...
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1answer
21 views

What is dpkg-reconfigure and how is it different from dpkg --configure?

I was recently given an answer to another question Help: “aptd” is maxing out my CPU? which included running the commands sudo dpkg-reconfigure -phigh -a and sudo dpkg --configure -a That all ...
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0answers
10 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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1answer
35 views

“apt-get update” gives many [Ign] errors - is that a problem?

I just ran sudo apt-get update once again and I thought that there are many lines starting with Ign instead of Hit in the output. I wondered what it means and researched on Ask Ubuntu and Super User, ...
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0answers
12 views

What should I do to install a ubuntu repository on a Mint? [closed]

I know that maybe it's not a good idea, but I think it's worth trying. What shuld I do? > sudo add-apt-repository ppa:something/bla Traceback (most recent call > last): File ...
2
votes
1answer
101 views

How can I be sure that I'm using NTP version 4.2.8p1 or equivalent?

I've recently read about the vulnerabilities within ntp, here which can be closed by installing ntp version 4.2.8p1. However, I've used apt-get to install the latest version of ntp, on an Ubuntu ...
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0answers
23 views

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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19 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 ...
0
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1answer
29 views

Android KitKat build on Ubuntu 14.04, Wrong JDK

I am trying to build Android-x86 KitKat branch from android-x86.org on an Ubuntu 14.04 64-bit machine. However, when I run make it doesn't run very long until there is an error which halts ...
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0answers
24 views

Why is my kernel not upgraded to the latest version? [duplicate]

My server runs Ubuntu 12.04.5 LTS. I try to keep it up to date as possible by doing sudo apt-get update && sudo apt-get upgrade regularly. So far I was assuming that this would update the ...
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0answers
15 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 ...
1
vote
1answer
21 views

after chroot: apt-get update (Err and Failed to fetch - BootableFlashFromHarddiskInstall)

I'm following BootableFlashFromHarddiskInstall tutorial for making a live CD from my current Ubuntu installation. Ubuntu 14.04 on VirtualBox. I checked internet connection of virtual machine as ...
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1answer
14 views

Can't connect to ubuntu keyserver when guest in virtualbox

I'm trying to install an application on an Ubuntu 10.04 via a ppa. This setup is necessary since a customer's error seems to be platform dependent. Here's what sudo add-apt-repository ppa:user/app ...
2
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2answers
58 views

Apt-get update fails ubuntu 14.04

I im trying to do sudo apt-get update but i get the following error: W: Failed to fetch http://ftp.udc.es/ubuntu/dists/trusty/Release Unable to find expected entry 'main/binary-x8-64/Packages' ...
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2answers
37 views

Unable to download anything from apt-cacher-ng proxy

I have installed apt-cacher-ng on my server. There are about 10 clients which will use this proxy to download the packages. Things were working fine since many days, however, all of sudden I started ...
0
votes
1answer
24 views

aptitude tries to reinstall packages I remove with apt-get

I used apt-get a lot in the last time, so there seems something misconfigured in aptitude now: When I type just aptitude install It tries to install lots of packages that i formerly uninstalled ...
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1answer
28 views

Adding git repositories to python 3 interpreter

I am working with Ubuntu 14.4 Trusty Tahr LTS on EC2. I want to use the Python 3.4.0 interpreter which is installed by default. I want to be able to be able to add git repositories to be accessed by ...
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2answers
123 views

Why my kernel is not the latest for 14.04?

My kernel is currently Linux scv 3.13.0-34-generic #60-Ubuntu SMP Wed Aug 13 15:45:27 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux But I know it should be 3.13.0-45-generic #74 Why is it not updated by ...
3
votes
1answer
54 views

Help: “aptd” is maxing out my CPU?

I am running Ubuntu 12.04 and have a "aptd" process running as root (which I understand is correct) but eating 95% CPU (which is definitely not right). As per one of the answers here How to stop ...
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1answer
21 views

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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0answers
28 views

unable to install google chrome on ubuntu 12.04 [duplicate]

i am new on ubuntu and was trying to install dropbox from software center it took long and mean while my computer got powered off and the i restarted my pc and went to software center it showed the ...
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0answers
12 views

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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0answers
9 views

On Ubuntu 13.04 cannot download openvpn [duplicate]

Need to download the openvpn client but get an error whether I try with synaptic manager or by the 'sudo apt-get install openvpn' from a terminal.... The error in the terminal is: E: Unable to locate ...
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0answers
24 views

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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0answers
14 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 ...
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1answer
47 views

Software center crashes on Ubuntu 14.04

After I run the software center in terminal it says: bizara@BlackHole2:~$ software-center 2015-02-24 19:27:53,480 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2015-02-24 19:27:54,828 ...