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 install nfs-common does not create an idmapd

I am trying to get NFSv4 client to work with idmapd and I try sudo apt-get install nfs-common Unfortunately, this installs the expected files /etc/default/nfs-common, /etc/idmapd.conf etc., but ...
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26 views

Upgrade from 13.10 to 14.04 “rolled back”

I've tried to upgrade my Kubuntu from 13.10 to 14.04, through the notification popup appeared in my taskbar. The upgrade process started, it begun to download about 1800 packages, it downloaded ...
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70 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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34 views

Complete Deletion/Reinstallation of Downloaded Package

I want to know how to delete every file installed by a package using either aptitude or apt-get and then re-download and re-install that package completely again. I've tried doing aptitude reinstall ...
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28 views

Graphic driver don't work correctly, system kernel stays at 3.11.0-20

Yesterday I updated graphic driver automatically and today my system don't boot correctly. I could get to the login screen but after enter password system shows an error message and shows nothing. ...
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50 views

Downgrade all external packages to the official ones

Let's say I installed bunch of packages from external PPA repositories and they modified or replaced the existing default packages in the system. Assume that then I remove those PPAs from the ...
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299 views

git-cola not working in ubuntu 14.04

I have ubuntu 14.04 installed on my laptop. I installed git-cola. Installation is smooth with apt0get install git-cola. When I open git-cola from launcher, it ask to open/clone a repository. I gave ...
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828 views

Updating genuine repositories fails in Trusty Tahr

I was installing Ubuntu 14.04.1 LTS x64 in a virtual box running on Windows 8 x64. On running installer I haven't entered anything into dialog asking for some required proxy setup. The VM is attached ...
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33 views

Reason of removing apt/dpkg/lock & apt/archives/lock

Is it possible to install multiple packages by deleting " Using apt & dpkg in the same time ". dpkg/lock & /archives/lock The Ubuntu Developers made it for reason "that you can not ...
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169 views

apt-get install stuck at “Unpacking wine…”

I'm running Ubuntu 14.04 LTS and using an ordinary apt-get install playonlinux command to have it installed. However, it is always getting stuck at (i.e. doesn't do anything further): Preparing to ...
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59 views

Unable to add PPA

I was just trying to get Pipelight installed when I came across following error. I copy and pasted the input into my terminal the second time around and the error still occured.
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104 views

trying to install App but getting errors

I'm trying to install OpenPilot 14.01 on my "Precise" i386 system but I keep getting errors like Error: Dependency is not satisfiable: libc6 (>= 2.17), and after trying several Cl answers to try and ...
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631 views

Why apt-get update works but upgrade gives 403 Forbidden?

I have a working Ubuntu 12.04 environment behind a proxy with all settings correct but sudo apt-get upgrade fails to work with error 403 Forbidden for every server. However, sudo apt-get update works ...
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80 views

Getting connection time out error for local repository

As we know that Ubuntu 12.10(Quantal) is at EOL. So all the package repositories are moved to http://old-releases.ubuntu.com/ubuntu. I can access all the packages from that url. Now I have set up ...
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236 views

apt-get install -f fails

Not sure what to do with this, apt-get dist-upgrade was the reason I want to run this, it says unresolved dependencies.. apt-get install -f Reading package lists... Done Building dependency tree ...
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163 views

apt-get update tries to download uncompressed Packages file

I am using a physical server right now. I have installed MAAS and cannot use the apt-get function at all. When I type sudo apt-get update I get a long string with some things updating and most things ...
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125 views

Can't remove 2XClient using dpkg

I have a problem removing 2XClient from Ubuntu 12.04. This is the output Removing 2xclient ... Unregistering tuxclient url-protocol handler in gconf tree (gconftool-2:3905): GConf-WARNING **: ...
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66 views

kde-full and unistalling some of its packages

I installed KDE using kde-full - so far so good. But when I try to unistall some of its app wich is not so neceseary to me (like marble or kalgebra), apt-get remove will show me Reading package ...
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193 views

squid-deb-proxy 503 service Unavailable

I have installed squid-deb-proxy in order to create a cache of packages. The command sudo apt-get update produces errors such as Err http://mirror.dhakacom.com trusty/universe amd64 Packages 503 ...
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2k views

ImportError: No module named paramiko

I have install paramiko via "sudo apt-get install python-paramiko", but it can't be import in python. How to solve this? Python 2.7.6 (default, Mar 22 2014, 22:59:56) [GCC 4.8.2] on linux2 Type ...
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76 views

For an automated install of .deb I need to set DPkg::Options before installing package with new conffile

I have a custom Debian package that creates a touch-screen calibration file and will be deployed for automatic updating. I want to preserve the calibration file if the user has changed it, so my new ...
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152 views

Why my apache service does not work correctly?

I am just a newbie using Ubuntu 12.04 LTS. In the beginning, I just want to install mcrypt, I followed this solution: cd /etc/php5/mods-available ln -sf ../conf.d/mcrypt.ini . php5enmod mcrypt ...
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29 views

xubuntu/xfce4 package to hold to prevent breakage by updates

I've painfully set up my xubuntu desktop to look exactly how I want it to look. I have previously experienced a well built setup crumble due to unfortunate updates. Though I would like to keep getting ...
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188 views

Many files in /var/lib/dpkg/info/ corrupted; how to recover

When I run sudo apt-get (anything), I invariably get this error: dpkg: unrecoverable fatal error, aborting: files list file for package 'thunderbird-gnome-support' is missing final newline E: ...
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44 views

Prevent custom repository from overriding distribution package Ubuntu 14.04

I have a custom repo in my sources to provide smartgit: ppa:eugenesan/ppa For the last week I havent been able to get past the login loop trying everything under the sun. Today I found that this ...
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37 views

Cannot login after Clam AV removal purge mistake

I would like some help repairing my Ubuntu installation please, I am having problems logging in after a mistake trying to uninstall Clam AV. I accidentally deleted some files / libraries whilst ...
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44 views

How do I update a single PPA instead of all of them?

For example, I have ppa:skunk/pepper-flash and only want to update it instead of the whole apt-get update. Is there something like for example apt-get update ppa:skunk/pepper-flash that I can use?
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339 views

Error occured when updating system

I have a problem during updating my Ubuntu system using terminal. Recently, there was two warning message appears on my terminal which like below: W: Failed to fetch ...
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373 views

Where is krb5_util on Ubuntu 14.04?

The crucial krb5_util command (http://web.mit.edu/kerberos/krb5-latest/doc/admin/admin_commands/kdb5_util.html#kdb5-util-8) doesn't seem to be available on Ubuntu 14.04 although it ships with 1.12.x ...
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26 views

migrating ubuntu system to a different machine

I wish to migrate my Ubuntu system, the source system to an existing Ubuntu system, the target system. They run 12.04 and 14.04 respectively. Basically, I want all (or most if that is the best we can ...
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160 views

Does pip overwrite packages installed by apt-get?

What happens if I accidentally pip install a package that I already installed using apt-get beforehand? Do I simply get to use the latest version (i.e. probably the one I installed using pip)? What ...
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164 views

I delete duplicate packages but Canonical keeps reinstalling them, Ubuntu 14.04

files at /var/lib/apt/lists W: Duplicate sources.list entry http://us.archive.ubuntu.com/ubuntu/ trusty/multiverse amd64 Packages ...
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53 views

suppress all interaction while installing apt-fast

I want to ask whether there is any method to suppress any interaction while installing apt-fast using apt-get. I add the ppa source and then use the next command to install apt-fast: sudo apt-get -y ...
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189 views

size mismatch error while updating

I've been getting the following error: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/d/dpkg/dpkg_1.17.5ubuntu5.2_amd64.deb Size mismatch E: Failed to fetch ...
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221 views

Issue when runing apt-update with Ubuntu 14.04 LTS

I just installed fresh Ubuntu 14.04 LTS. When I run apt-get with root user, I get following error shown below. Any idea how this can be fixed? Please advice. ********Error*********** apt-get ...
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67 views

apt-get update/upgrade not finding latest version of Percona server

I've got Percona DB 5.6 on several 12.04 servers. On a few of them, I've been able to successfully upgrade to the latest version (5.6.17) using apt-get update apt-get upgrade On several others, ...
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92 views

What is a good workflow to develop/test/release packages via apt repositories?

We are currently looking for a workflow to manage Ubuntu packages and releases within apt repositories. Until now our small team did the development in git. One occasionally used the master branch to ...
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25 views

how do i create a ppa for a package made by someone else but not managed anymore

Okay , 1st of all, though ive used PPAs for all these years, i never went into the details of how they are created and managed and stuff... so, i am a noob at being on the "creator" or " manager" ...
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317 views

Dependency error (1)

dpkg: error processing package liblzma5:i386 (--configure): package is in a very bad inconsistent state; you should reinstall it before attempting configuration dpkg: dependency problems prevent ...
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513 views

How do I rollback Recent Updates? 50+ crash reports upon login

Am running 13.10 w/Cinnamon, but still have Unity installed. Everything was working fine until I responded to an update manager update notification. I tried rebooting into a prior kernel version, but ...
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82 views

`apt` log files: is there a log for `apt-add-repository ppa:…`?

The apt command has the nice behavior to log all what you request it to do in /var/log/apt/history* file. This is quite handy, because in case of reinstall you can see which packages you have ...
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366 views

Subdirectories Show 404 Not Found on 13.10 web server

I recently set up a web server on Ubuntu 13.10 and when I enter the external IP it works fine showing the index file of var/www/ but whenever I try to add a folder, say one called test, and I go to ...
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570 views

Cannot install Openssh-server or client

When I go to install, I get this error: sudo apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done Some packages could ...
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116 views

Update not working, nothing is installing in ubuntu 12.04

I am very much new to Linux. I'm using Ubuntu 12.04. The problem is that I'm unable to install anything on it. Initially when I installed it, it was fine. But I was having some dependency problem with ...
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97 views

How do I set the F77 environment variable to gfortran?

I'm new Ubuntu (and linux) user. In order to do my senior project, I have to install psrchive I use this command to install psrchive ./psrsoft/bin/psrsoft psrchive --no-cfitsio This is part of ...
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1k views

apt-get 'held broken packages' attempting to install kubuntu-desktop

$sudo apt-get install kubuntu-desktop Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have ...
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150 views

Unable to use proxy in terminal despite apt.conf file

I use a wired LAN at my college which uses proxy. As per this answer I edited my apt.conf file. My proxy details are as follows Username: mahe\ict.student Password: mumit@123 Proxy host: ...
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134 views

13.10: Partial upgrade created held broken packages

After the last upgrade yesterday some weird things happened. The update uninstalled netflix-desktop, wine and PlayOnLinux and I have not being able to install them again from the terminal nor the ...
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41 views

How can I see a list of new packages for my system

I run muon every few days to keep my system up to date. In the lower left corner, there is a number of available packages which keeps getting bigger! It makes me curious to see what they are. I would ...
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134 views

How to find top-level dependencies in a list of deb packages?

Suppose I have a list of packages: foo libfoo bar baz quux And suppose foo requires libfoo and bar, and baz requires quux. I want a way to put in that list, and get out this list: foo baz I.e. ...