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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Apt-get and dpkg not working due to mono-complete

After installing the mono-complete package, no matter what I do in apt-get and dpkg, even apt-get -f install and the likes, except for apt-get update, I ALWAYS get the following errors: Setting ...
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1answer
26 views

apt-get upgrade complains about authentication of packages

I am currently using Ubuntu 14.04.1 server. When issuing a: sudo apt-get upgrade apt-get says: WARNING: The following packages cannot be authenticated This is a fresh install from an ISO that ...
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18 views

Encountered a section with no package [duplicate]

I've recently installed ubuntu 14.04. I was quit satisfied with it till yesterday when I couldn't open ubuntu software center. I've received a notification like this: E:Encountered a section with no ...
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1answer
25 views

The following packages were automatically installed and are no longer required with important libs

The following packages were automatically installed and are no longer required: libopenal1:i386 libsdl-ttf2.0-0:i386 libgconf-2-4:i386 libatk1.0-0:i386 libstdc++5:i386 libpam-winbind ttf-umefont ...
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1answer
39 views

Dist-Upgrade - LibreOffice dependencies later than required

When I try to update my Ubuntu box, I get this error : dpkg: dependency problems prevent configuration of libreoffice-base: libreoffice-base depends on libreoffice-base-core (= ...
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29 views

404 Error for extras.ubuntu [closed]

sudo apt-get install and sudo apt-get update show 404 Error not found. So I checked the file /etc/apt/sources.list and replaced all (xx.)archive.ubuntu with old-releases.ubuntu. Everything works ...
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1answer
28 views

Problems compiling scangearmp

I have already installed some missing packages, but i still get that error. Can anyone help me identify what is missing ? Thanks a lot ...
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35 views

Unable to install bsddb185, Python library for opening Berkeley DB version 1.85 files on Ubuntu

I am writing a python program that makes use of some legacy Berkeley DB 1.85 files. Unfortunately I am unable to install the bsddb185 Python package, either for Python version 2.x and for Python 3. ...
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3answers
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dpkg error when using apt-get install

I upgraded to Ubuntu 14.04 from 12.04 and every time I use apt-get install for any package it ends with a bunch of errors about processing some of my latex packages. Including a snippet below: ...
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165 views

sudo apt-get update command not working

I'm on Ubuntu 14.04 and I tried running sudo apt-get update but I get the below error: W: Failed to fetch http://ubuntu.tuxuri.com/ubuntu/dists/trusty-security/InRelease W: Failed to fetch ...
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43 views

403 forbidden error when I attempt to install an ssh server

I have a problem when I try installing ssh-server on ubuntu 14.04 lts. What I've done: sudo apt-get update ==> succeed. sudo apt-get upgrade ==> succeed. sudo apt-get install ssh ==> failed. ...
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43 views

System went to sleep while running do-release-upgrade

I am trying to upgrade from Ubuntu 12.04 to 14.04 on a laptop. I have run sudo do-release-upgrade During the upgrade process the laptop went into sleep/locked screen mode. I have rebooted and ...
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27 views

Problem with apt-get and ubuntu repository

The install button is not available in the repository, instead I have a button for "Use this Source". If I try to install any package using apt-get, I get E: Unable to locate package. I tried sudo ...
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1answer
19 views

How to write Makefile to package a .so dynamic library that will install all required links

I need help in writing a Makefile that installs my library on Linux FHS. https://www.debian.org/doc/debian-policy/ch-sharedlibs.html#s-sharedlibs-dev says that there should be a link from .so to ...
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2answers
83 views

Recovering from apt-get upgrade gone wrong due to a full disk

I was performing an apt-get upgrade on an Ubuntu 12.04.5 LTS box that hadn't been updated in a little while and the upgrade failed due to 'No space left on device'. After a little while I worked out ...
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18 views

While installing wine - got Package 'wine1.5' has no installation candidate

I am new to ubunto hence not aware about basics of using ubunto. I wanted to install rar password cracker for which I ran the .exe file which gave me following error : 'An error occurred while loading ...
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1answer
32 views

apt-get and aptitude seem to disagree — do I really have broken packages?

If I do aptitude search ~b I get a list of 78 broken packages. But 76 of them aren't even installed (they have a status of pB). How can an installed package be considered broken?? But if I do ...
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1answer
121 views

Problems with 12.04 LTS to 14.04 LTS upgrade

I decided to upgrade from 12.04 LTS to 14.04 LTS. I used do-release-upgrade. Everything worked. When I run lsb_release -a I get : Description : Ubuntu 14.04.1 LTS Release : 14.04 Codename : ...
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1answer
24 views

No package 'ncurses' found [duplicate]

I'm trying to install XWiimote and they tell me to run ./autogen.sh in the installation notes . This is the output: zorin@Samsung-NP300E4Z-S03TH:~/Downloads/xwiimote-master$ ./autogen.shlibtoolize: ...
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1answer
33 views

unmet dependencies when using apt-get, how can I solve it? [duplicate]

When I try to install packages I get this error, what is wrong and how can I fix it? dpkg: aviso: Arquivos da lista de arquivos para o pacote `libisccc60' faltando, assumindo que o pacote não possui ...
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1answer
44 views

Can't remove the libpcap0.8 package

I am getting error when running apt-get remove root@System:~/Downloads# sudo apt-get remove The following packages have unmet dependencies: libpcap0.8 : Breaks: libpcap0.8:i386 (!= 1.4.0-2) but ...
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1answer
70 views

apt-get update stalls

When I run sudo apt-get update the update fails to finish. This is the result in the console: Get:1 http://repository.spotify.com stable InRelease [2,980 B] Hit http://download.virtualbox.org ...
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25 views

dpkg-shlibdeps: error: no dependency information found for /usr/local/lib/libwebsockets.so.4.0.0

I'm packaging my c++ application using dpkg-buildpackage -rfakeroot -b I've installed libwebsockets from the source rather than the debian package libwebsockets3 or libwebsocktes-dev. In the ...
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1answer
20 views

unresolvable broken packages

I have been desperate to resolve this problem as I am not being able to install certain programs. my computer says that I have broken packages: The following packages have unmet dependencies: ...
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33 views

Where are deb packages which are downloaded by apt-get stored in Ubuntu 14.04 [duplicate]

I used to find deb packages which are downloaded by apt-get in the /var/cache/apt/archives directory. I've installed Ubuntu 14.04 recently but I fount out the deb packages aren't stored to the ...
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1answer
25 views

Ubuntu 12.04 apt-get installs older version of software

I'm using a software called vcftools which is present in Ubuntu repositories. When I sudo apt-get install vcftools in my Ubuntu 14.04, I get an up-to-date version (v0.1.11), whereas when I do the same ...
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1answer
33 views

apt-get upgrade goes to an infinite loop while downloading stuff

My Ubuntu 12.04 installation (yes I don't want to upgrade just yet) is giving me trouble updating. This has been happening for more than a week. I run apt-get update no problems but when I run apt-get ...
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1answer
53 views

dpkg unsatisfied dependencies, now apt-get wants to remove whole system

firstly, I'm sorry for my terminal output in portuguese, but I guess it is still understandable. I am using Ubuntu GNOME 14.04 and I tried to update the GNOME Online Accounts packages by downloading ...
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0answers
19 views

Prevent APT from overwriting custom files

My server runs a Java application that requires I replace a few java library files with ones I downloaded on my own. This has to do with JCE security extensions and isn't really relevant to my ...
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1answer
57 views

Why does 14.04 say there are no updates, when there are?

Why does Update Manager in 14.04 currently say it's up-to-date when apt-get upgrade shows there are updates to install?
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29 views

How to bring back older version of mesa packages from ppa:xorg-edgers/ppa

I'm trying to install older version of mesa packages from xorg-edgers PPA using following command: sudo apt-get install libgl1-mesa-dev=10.3.0~git20140812.fa5b76e3-0ubuntu0ricotz~trusty ...
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0answers
17 views

“E:The package lists or status file could not be parsed or opened.” after deleting one of the list files [duplicate]

I'm really stupid, and I deleted the following file: us.archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en I did so attempting to do something about the following error message: ...
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1answer
69 views

Ubuntu unable to update and upgrade to 14.04: GPG Error [duplicate]

I have been looking around the net for solutions but I just cannot get rid of this error. sudo apt-get update Ign http://archive.canonical.com saucy InRelease Ign ...
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1answer
49 views

Completely unable to install python2.7-dev [duplicate]

Am totally stuck! Am unable completely to install python2.7-dev on my Ubuntu13.04. I have tried all the tricks mentioned on this site (askubuntu.com) and many other sites on the web but still ...
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0answers
76 views

apt-get command problem

I am using Ubuntu 12.04 32 bit in hp pavilion dv6 laptop (AMD Processor) after upgrade and reboot, the desktop doesn't start and at cui (Ctrl + Alt + F1). When I try to login to my user and following ...
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60 views

Unable to install updates on 14.04 LTS [duplicate]

I have been getting update notifications for a few weeks now but whenever I attempt to install them I get this message; The upgrade needs a total of 74.6 M free space on disk '/boot'. Please free at ...
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20 views

Unable to mount disk in ubuntu 13.10.Please give me a solution [duplicate]

Error mounting /dev/sda4 at /media/rahul/Shrinkable: mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sda4" "/media/rahul/Shrinkable"' exited with ...
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0answers
24 views

Why did my apt-get suddenly stop working? [duplicate]

Since yesterday I've been unable to install stuff. I get errors like this: Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/libb/libbsd/libbsd-dev_0.4.2-1ubuntu1_amd64.deb 404 Not ...
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0answers
27 views

I can not download anything [duplicate]

I am very new to ubuntu but decided to wipe my windows 7 and install it. I can not download anything from the software center. This is the error message I get. I can use the web in all other ways ...
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25 views

Problem running apt-get DPKG broken?

Problem when runing apt-get debian av # sudo dpkg --configure -a Setting up libgdata2.1-cil (2.2.0.0-2) ... mono: ../nptl/pthread_mutex_lock.c:80: __pthread_mutex_cond_lock: Assertion ...
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34 views

I fixed my PPA errors but when I try to install Steam all additional packages say No Installation Candidate

While I was downloading Steam I get this code: user@computer:~/Downloads$ sudo dpkg -i steam_latest.debSelecting previously unselected package steam-launcher. (Reading database ... 195561 files and ...
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1answer
72 views

Upgrade from 12.04 LTS to 14.04 LTS fails

Output of the Bash Terminal: http://pastebin.com/wXKtLzin I used apt-get upgrade -f as well, with the same result. I only want the 14.04 LTS that works fine and I don't lose my data. In the past the ...
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1answer
141 views

“Errors while handling” kernel packages after dist-upgrade [duplicate]

I did an apt-get dist-upgrade, now everytime I do something using apt-get, e.g. installing something, it gives me that there are errors while handling the following packages: ...
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1answer
72 views

Must execute “sudo su” and then do apt-get update/upgrade/install, prefacing with sudo doesn't work [duplicate]

In order to get the apt-get update/upgrade/install commands to work, I have added proxy information to my /etc/environment file. For example: http_proxy="http://proxy-chain.acmewidgets.com:8080/" ...
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57 views

Install Node on Ubuntu 14.04 1and1 Virtual Server

I have a Virtual Server from 1and1 running Ubuntu 14.04. After correcting the /etc/apt/sources.list to the official ones I tried to install nodejs and npm (to install bower later). I followed the ...
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3answers
454 views

How can I know that I have g++ installed in my ubuntu? [duplicate]

I have recently installed ubuntu 14.04 . I tried to run a c++ code by a command like this: g++ first.cpp -o first Then it said: The program 'g++' is currently not installed. You can install it by ...
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42 views

Try 'apt-get -f install' with no packages

I am using Ubuntu 14.04 lts OS. So when I go to installed mysql server using below command sudo apt-get install mysql-server I have some error message. This is the error message: Reading package ...
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25 views

Package:astrolog isn't available on Ubuntu repository?

https://help.ubuntu.com/community/Astrology says: astrolog is available on Ubuntu repository: But it is not located/available: $ sudo apt-get install astrolog Reading package lists... Done Building ...
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1answer
61 views

can't install webmin on ubuntu server

I have an Ubuntu server installed and I want to install webmin on it but I can't. I have tried everything but reached no solution. I also set this deb http://download.webmin.com/download/repository ...
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39 views

libssl-dev and libssl1.0.0 on confilcting versions

My problem on 12.04lts is that somehow my libssl1.0.0 got upgraded to 1.0.1-4Ubuntu5.17 and my libssl-dev requires 1.0.1-4Ubuntu5.14 apt won't update libssl-dev because libssl1.0.0 was upgraded first. ...