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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1answer
37 views

How to convert a deb package to udeb

Following up on How to install squid-deb-proxy-client via preseed/early_command, I want to have a udeb of the squid-deb-proxy-client package. From reading the Debian wiki it seems it should be easy ...
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44 views

Installing Teamspeak via PPA

I want to install teamspeak client on Kubuntu 16.04. Of course I could download the .deb file from teamspeak.com, but I want to update it via apt-get. According to this article https://help.ubuntu.com/...
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28 views

Error do-release-upgrade

The following error when trying to update the version 15:10 to 16:04 version. # do-relase-upgrade Traceback (most recent call last): File "/tmp/ubuntu-release-upgrader-r8fv67ku/xenial", line 8, in &...
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0answers
30 views

Error installing Samba4

I'm using Ubuntu Server 15.10 Wily. When I run: apt-get install samba In the end it generates a error, can someone help? Note: There was a samba compilation before and I have performed one # make ...
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0answers
26 views

E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages in ubuntu 14.04

I am using ubuntu 14.04 and after updating smtube and youtube-dl I got this message on top bar of ubuntu desktop with a red circle containing a minus sign. I tried all that is available on posts. Help ...
0
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1answer
40 views

apt-get wants to auto delete important packages

when i'm using apt-get upgrade, it shows me this, but I need those packages, how can I require those packages? root@K411:~# apt-get upgrade Reading package lists... Done Building dependency tree ...
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0answers
78 views

Install adb on Ubuntu 15.10

I am using Ubuntu 15.10. I tried to install adb on my system using following commands. sudo add-apt-repository ppa:phablet-team/tools sudo apt-get update sudo apt-get install android-tools-adb ...
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0answers
26 views

Disabling proxy problem

I've tried disabling the proxy using various command lines, it worked until I tried Maven clean install. Here's what is happening, $ mvn clean install[INFO] Scanning for projects... [INFO] ...
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0answers
37 views

sagemath-upstream-binary 7.2: install on Trusty fails because of size mismatch after download

The command, issued after sudo apt-get update, and the subsequent events are copied below. It seems to me that a 629 MB download is expected, whereas an actual 216 MB takes place, is this the cause of ...
0
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1answer
816 views

installing pip3 (for python3) on ubuntu 16.04 LTS using a proxy

I have tried entering: sudo apt install python3-pip The error I get is: $ sudo apt install python3-pip Reading package lists... Done Building dependency tree Reading state information......
3
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1answer
68 views

Install Landscape dedicated server

I am having an issue to install landscape on prem. I receive the following message: sudo apt-get install landscape-server Reading package lists... Done Building dependency tree Reading ...
0
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2answers
37 views

Unable to install package linux-image-3.13.0-83-generic

I get this message and I do not know what to do: $ sudo apt-get install git Reading package lists... Done Building dependency tree Reading state information... Done >E: The package linux-...
5
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2answers
445 views

apt: relocation error: version GLIBCXX_3.4.21 not defined in file libstdc++.so.6 with link time reference

Since trying to upgrade to 16.04 xenial, I'm getting $ apt apt: relocation error: /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0: symbol ...
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0answers
41 views

Install python3-setuptools

After this sudo apt-get install python3-setuptools: icedtea-7-jre-jamvm : depends: openjdk-7-jre-headless (= 7u101-2.6.6-0ubuntu0.14.04.1) but 7u95-2.6.4-0ubuntu0.14.04.2 will be installed. ...
0
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1answer
78 views

How to remove the MySQL Server 5.5 from Ubuntu 14.04?

I wanted to upgrade my MySQL server and client from v5.5.49 to the latest v5.6.*. To do this I firstly tried to uninstall the old version: $ apt-get remove mysql-server-5.5 mysql-server-core-5.5 ...
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0answers
43 views

Ubuntu 14.04 update wants to remove ubuntu-mate-desktop?

I've seen Apt wants to remove ubuntu-mate-desktop, but this is different. I use MATE desktop, and my Ubuntu is: $ uname -a Linux MYPC 4.2.0-36-generic #42~14.04.1-Ubuntu SMP Fri May 13 17:27:22 UTC ...
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0answers
21 views

How do I show all packages linked to a certain library?

I am looking for a way to show all packets linked to a certain library. ldd /path/to/file shows me all libraries linked to a certain file. What I want to know is: which packages available on my ...
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0answers
20 views

howto show all packets with a certain dependency [duplicate]

i want to find out which packets link to openssl on my system. what would be the bash command to get that information. i know that using ldd /path/to/file i can see what links to a certain binary or ...
2
votes
1answer
24 views

How to add personal apt sources?

I have a decent number of debian packages I've compiled myself, that I keep on a personal build server. I want to be able to use apt-get install to install these but am unsure how to point to all the ...
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0answers
18 views

Error while using the Software Updater [duplicate]

I upgraded to 16.04 the day it was released; the process went smoothly. Last couple of days though I've been receiving the error message below when doing a software update, whether via the update ...
1
vote
3answers
88 views

held broken packages after purging and trying to reinstall skype

I use 16.04 64 bit desktop and had skype installed from the partners repository. Because of issues with sending messages, I wanted to reinstall it. I ran: sudo apt purge skype sudo apt autoremove ...
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0answers
188 views

Unable to locate package libqt4-core and libqt4-gui on Ubuntu 16

I am not an experienced user and I am having trouble installing Torch on my Ubuntu server. Apt is unable to find libqt4-core and -gui. I've read another thread saying to use dpkg but I cannot find the ...
0
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0answers
30 views

Terminal fails to connect to a proxy server

I am trying to connect to the proxy server of my university. I have successfully logged in to proxy via firefox but when trying to use ftp or wget I get the following error: Resolving proxy.xyz.ernet....
3
votes
1answer
58 views

Unable to update with 'apt-get': errors

Can't run sudo apt-get update , I get errors like: E: Type '--2016-05-25' is not known on line 1 in source list /etc/apt/sources.list.d/playonlinux.list E: The list of sources could not be read.
0
votes
1answer
28 views

How to install the “Links 2” browser in Lubuntu?

I went to the official website but they had this complicated list of steps where I had to manually check a bunch of dependencies and then download a tarball, only to have to follow a further list of ...
0
votes
1answer
181 views

Unable to Install package from Ubuntu Xenial local repo

I created a local repo for Xenial using apt-mirror. When I tried sudo apt-get update in another machine (of course, I configured the webserver), I am getting the following errors and I am not able to ...
0
votes
2answers
62 views

“E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages” after long time without using ubuntu

After months of not using ubuntu, I turned on my PC and when I typed the usual apt-get update then upgrade, a red icon showed on my panel and when I clicked to upgrade packages, the Software Updater ...
0
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0answers
73 views

error while doing sudo apt-get -f install

I am doing the sudo apt-get -f install and I am getting the following error. I have another ongoing discussion in here. The error I am getting after running apt-get -f install is given below : ...
4
votes
1answer
2k views

Problem with sudo apt get update

every time when try update(using sudo apt-get update) my Ubuntu i get this problem: W: The repository 'cdrom://Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1) xenial Release' does not ...
0
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0answers
31 views

too many errors while executing dpkg --configure -a

I am not an expert in Ubuntu. I use Ubuntu for my work purposes only. I was trying to upgrade my Ubuntu from 15.04 to 15.10 and while doing lots of dpkg error occurred. Then I restarted the computer ...
0
votes
1answer
39 views

How to swap out packages that came from a PPA for Ubuntu provided versions?

Embarrassingly, I reported a bug that was in fact my own doing. How can I safely remove the 11.0~git packages and replace them (if necessary) with Ubuntu provided mesa as suggested in the comment ...
1
vote
1answer
36 views

Unable to Connect to Internet, make Command Not Found, and cannot install my drivers

Ubuntu 16.04 xenial - Minimal server - fresh install from USB - Eee PC Asus 1005PEB I can't get online. I think I need drivers because: ifconfig shows inet addr:127.0.0.1 All pings result in: ...
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0answers
29 views

Issues while downloading all packages offline

I wanted to offline download all packages required to install openssh-server on Ubuntu 14.04 of my office PC which has several dependency mirrors blocked due to firewall policy. So I have installed ...
0
votes
1answer
256 views

Getting 404 errors and more with sudo apt-get update

I'm completely new to Linux. Running Ubuntu 16.04. When executing sudo apt-get update I get 404 errors and Failed to fetch ... along with a whole lot more. I do not know what this is nor how to fix ...
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2answers
40 views

Update Error in Ubuntu

sudo apt-get update leads me to: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
0
votes
1answer
40 views

ignore-depends options passed from apt-get not behaving as expected

A package being installed with apt-get has a dependency on java that I want to ignore. $ apt-cache depends some-package some-package PreDepends: <java7-runtime-headless> default-jre-...
0
votes
1answer
32 views

Downloading all dependencies on Windows and installing them on Ubuntu

I need to install openssh on my Ubuntu 32bit VM. However I cannot straight do apt-get install openssh-server as it fails in resolving many required dependencies. Thanks to my companies super creepy ...
1
vote
1answer
59 views

Unable to connect to PostgreSQL

I had PostgreSQL 9.3 working fine but when I tried to upgrade to 9.5 I began encountering errors. So I purged Postgres from my system following the first answer of this question. Then I installed ...
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0answers
15 views

after update from 15.10 to 16.04 Update-manager / Software manager apt-get dpkg is not working anymore

System DELL XPS 17,3..... Starting Update by pressing the button Update now from the Update manager this was not finishing. no Error message nothing! Restart runs always into System 16.04 even when i ...
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0answers
28 views

How to permanently fix small boot partitions

some Ubuntu versions on some machines setup way to small boot partitions (100M-200M). These get filled by new kernel updates and can lead to failing updates. I encountered this problem on default ...
0
votes
1answer
33 views

Half-installed package - kibana

I find troubles installing/removing/upgrading a half-installed package kibana. I probably edited kibana.yml file the wrong way and cant manage to get it working back. [09:32] ***-VM:cache$ sudo apt-...
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0answers
12 views

how to update Ubuntu 11.04 that is not listed on old-legacy server [duplicate]

How do you update ubuntu 11.04 I have all ready checked the old-legacy servers and it is not longer supported. The current system has applications running that I do not want to loose ... so there ...
2
votes
2answers
199 views

Removing libjack0 removed a lot of packages

I am new to Linux and I'm using Ubuntu Studio 16.04. I just installed the libjack0 package and a message warned me that all of these packages would be removed: The following packages will be REMOVED:...
0
votes
1answer
94 views

Installing boost into /usr/include

I am trying to install boost into the folder /usr/include. I tried sudo apt-get install libboost-dev, but the highest version apt-get provides is 1.58 instead of the newest 1.61. Then I downloaded ...
0
votes
1answer
8 views

Purging libglew1.13 broke Ubuntu

I'm on the latest Ubuntu distro (Xenial?) and was installing libglew1.10. Before doing so I wanted to get rid of 1.13 so they didn't clash. However after running a apt-get purge libglew1.13, and ...
0
votes
1answer
120 views

Apt-Get Update Not Working, Can't Read Log

For some reason, when I try to use sudo apt-get update, it fails, and gives me this: user@my-computer:~$ sudo apt-get update Hit:1 http://us.archive.ubuntu.com/ubuntu xenial InRelease Ign:2 http:/dl....
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0answers
28 views

Programs get uninstalled by themselves

I'm running Gnome 3 on Ubuntu 16.04. Last night when trying to install a new package via apt-get, I got the message "The following programs were installed but are no longer required", and then a huge ...
0
votes
1answer
34 views

libavcodec-extra-54 and libavformat54 not upgrading

Each time I run sudo apt-get upgrade I get the this output: The following packages have been kept back: libavcodec-extra-54 libavformat54 0 upgraded, 0 newly installed, 0 to remove and 2 not ...
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0answers
18 views

How to find installed kernel image metapackages?

I have used this, but is there a better way? dpkg-query -W -f='${Package} ${Status}\n' | awk '/^linux-(.+-)?image-[^0-9]+(-lts-[^ ]+)? [^ ]+ ok installed/{print $1}' How to find kernel metapackages ...