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.

learn more… | top users | synonyms (1)

1
vote
1answer
42 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 ...
3
votes
1answer
1k views

Unmet dependency while installing cnijfilter-mp550series package

I've been using my Canon MP550 printer for some Ubuntu versions now, and installation always worked: $ sudo add-apt-repository ppa:michael-gruz/canon-trunk $ sudo apt-get update $ sudo apt-get ...
-4
votes
0answers
26 views

OK 40th or so unbuntu install!! Why sudo apt-get install fail2ban not work? [on hold]

I've done this many times, sometimes i cannot install certain software from terminal for no reason? I wake up this morning try again and its working again? Maybe just the ubuntu server i suppose? I ...
0
votes
1answer
19 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 ...
0
votes
1answer
14 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 ...
0
votes
0answers
9 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 ...
3
votes
1answer
17 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, ...
0
votes
0answers
10 views

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

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 ...
3
votes
1answer
45 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 ...
4
votes
4answers
32k views

How can I install libpcap header files on Ubuntu 12.04?

How can I install libpcap header files on Ubuntu 12.04? When I use apt-get install libpcap I receive following message: Reading package lists... Done Building dependency tree Reading state ...
0
votes
2answers
30 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 ...
2
votes
1answer
5k views

dependency problems running apt-get -f install on Ubuntu

ON MY UBUNTU RACKSPACE SERVER UNAME -A # uname -a Linux myserver.com 3.2.0-24-virtual #39-Ubuntu SMP Mon May 21 18:44:18 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux APT-GET -F INSTALL /home# apt-get ...
2
votes
1answer
79 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 ...
0
votes
0answers
10 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 ...
0
votes
1answer
20 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 ...
0
votes
0answers
16 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
votes
0answers
20 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 ...
1
vote
1answer
11 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
votes
4answers
14k views

Uninstall postgresql from Ubuntu

I simply don't understand what's going on. sudo apt-get remove postgresql results in: Reading package lists... Done Building dependency tree Reading state information... Done Package ...
0
votes
0answers
7 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
15 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 ...
0
votes
2answers
103 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 ...
0
votes
2answers
45 views

How do I install linux headers when I am getting a “has no installation candidate” error

Primary Problem I am unable to run any virtualization software. Namely Vmware or Virtualbox. Since both of them asks me to install (or produces some error which pints to ) installing build essentials ...
1
vote
2answers
138 views

Installing libvips-dev Minimally

I would like to install libvips-dev package. But I think it has too much package dependency, like x11. Even with --no-install-recommends flag, apt-get still reports that it Need to get 69.9 MB of ...
2
votes
2answers
47 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' ...
0
votes
1answer
27 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 ...
2
votes
1answer
410 views

How do Remap-* statements work in apt-cacher-ng?

I've just started using apt-cacher-ng to cache my apt-get downloads. Whenever I start it I get this error: WARNING: No URL list file matching file:backends_gentoo found in config or support ...
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 ...
1
vote
2answers
4k views

How to solve “Wrong sources.list entry or malformed file”?

I'm a new user of Ubuntu 13.10 so far so I don't have too much technical expertise. I recently tried to resolve a Skype installation issue and added some ppa involving binary-1386. Every time when I ...
0
votes
0answers
10 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 ...
0
votes
0answers
13 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 ...
1
vote
2answers
60 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 ...
0
votes
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 ...
2
votes
1answer
12k views

Ubuntu 12.10: Package libc6-dev-i386 is not available

I'm building 32 bit boost thread libraries on 32 bit Ubuntu 12.10. When building I get the error /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory I googled the problem ...
0
votes
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. ...
3
votes
3answers
2k views

apt-get upgrade segfault!

I installed ubuntu server 10.04 and booted as normal. Some time later, I booted the server and tried to install a new package/upgrade the existing packages using: sudo apt-get upgrade sudo aptitude ...
0
votes
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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
311 views

Update Manager and software centre not working

I tried to update Ubuntu 12.04 through the update manager. After downloading all the updates, it asked me to restart the system for the installation of the downloaded packages, after which neither the ...
1
vote
1answer
59 views

Apt-get fails to fetch inside an LXC container

I have an Ubuntu 14.04.1 LTS server that's running LXC containers. The containers run Ubuntu 14.04.1 too. Network config of host is pretty standard, static IP, ISP's DNSes (IP1/IP2) plus google's : $ ...
5
votes
6answers
16k views

dpkg: invoke-rc.d: initscript mysql, action “start” failed

I have read a number of the posts here and they all state to run the following commands: Apt-get -f remove ** apt-get update apt-get upgrade apt-get -f install ** I have seen these in various ...
-2
votes
1answer
41 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 ...
-1
votes
0answers
14 views

apt-get: How to remove stored action

Following apt-get purge gridengine-client gridengine-common gridengine-exec, aptitude search grideng shows: ong11:~# aptitude search grideng pi gridengine-client - Utilities for Grid Engine ...
0
votes
1answer
16 views

Apt-get update comes up with "Sources list couldn't be read

I tried to update the packages through the terminal and I get this error every time, david@david-Satellite-C55-B:~$ apt-get update E: Type ' Now the Software center doesn't work and I have a warning ...
0
votes
1answer
15 views

Can't understand difference between liblapack3 and liblapack3gf

I need to install the lapack library in an ubuntu computer for linking to a code I am developing. I have been told to apt-get install liblapack3, but the only one I found is liblapack3gf. My list of ...
0
votes
0answers
43 views

Linux Mint : Very slow internet connections through proxy [closed]

I have changed to Linux recently. Here I am experiencing very slow Internet connections for applications like apt-get and Firefox browsing through proxy (download speed in Firefox is pretty normal). ...
0
votes
1answer
22 views

How does the fallback mechanism of apt update work in case of connection problems?

While installing the updates today, I noticed this: Get:15 http://in.archive.ubuntu.com/ubuntu/ trusty-updates/main libdns100 i386 1:9.9.5.dfsg-3ubuntu0.2 [626 kB] Err ...
0
votes
0answers
15 views

How Can Solve VLC Installation [duplicate]

I am Using Ubuntu 14.10! VLC is My Default media player! But all on a sudden I found that the player has been This error could be caused by required additional software packages which are missing or ...
0
votes
0answers
12 views

Xubuntu -f install problems seems to be causing many problems

When I try to do anything in terminal I get a with -f install. this pops up: $ apt-get -f install E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the ...
57
votes
6answers
76k views

How do you select the fastest mirror from the command line?

I want to update my sources.list file with the fastest server from the command line in a fresh Ubuntu Server install. I know this is trivially easy with the GUI, but there doesn't seem to be a simple ...