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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Installing with Software Centre vs apt-get

I am trying to understand the difference between installing an application with the Ubuntu Software Centre, and installing an application with apt-get. For example, I want to install the Latex ...
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31 views

Use debian package triggers to patch a file in postinst script

I want to create a debian (.deb) package that patches another packages files. So, for example, if package A installs the file /foo my package called B should patch /foo when the user installs/upgrades ...
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1answer
24 views

Create a debian package with dependency to older version of python-cherrypy3 package

I have a program with a debian package in my personal repository that depends on python-cherrypy3. However, version 3.5.0 of python-cherrypy3 shipped with Ubuntu 16.04 has a serious unfixed bug that ...
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34 views

download only packages cannot be authenticated when offline

we're using 14.04.4 to make installation vm images available to our consumers. The first part of our process is to make a vmware image that comes with the downloaded packages for offline ...
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44 views

class 'KeyError' (The package has no package named 'apt')

After selecting Ubuntu from boot-loader and entering password at logon, I see a new X on the app indicator side and got to know that the package named apt is missing. Here is the file with details ...
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1answer
73 views

Ubuntu Software Center, Update and pretty much everything else doesn't work :D [duplicate]

The Software Center closes instantly after I opened it. sudo apt-get update and all commands related to this don't work either. E: Typ »!DOCTYPE« in line 1 of sources list /etc/apt/sources.list.d>...
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1answer
136 views

How to fix `sudo apt-get update` on Ubuntu 16.04? [duplicate]

I'm new to Ubuntu. Got this error while installing ppa:
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1answer
111 views

Is gpointing-device-settings in Ubuntu 16.04?

I cannot find it in apt-get. It is in 14.04.
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29 views

'libpeas-1.0-0-python3loader' dependency issue after upgrade

I ran the command: sudo apt-get dist-upgrade Today and this was how it went: Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... ...
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1answer
103 views

How do I add a PPA in a libertine container?

I am trying to install Corebird (Corebird twitter client for Ubuntu 14.04) in a libertine container named vivid on my M10 tablet. After adding the PPA's, which do show up in ~/.cache/libertine-...
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0answers
15 views

Use a network mounted /var/cache/apt/archives folder

I want to make it, so that after one computer on the LAN has already downloaded the package, it's available for other computers with Ubuntu (with the same version, of course). There are several ...
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0answers
61 views

Mondorescue site unsigned for apt-get Ubuntu

I have been trying to install mondorescue, however, after following the typical instruction wget ftp://ftp.mondorescue.org/ubuntu/`lsb_release -r|awk '{print $2}'`/mondorescue.sources.list sudo sh -c ...
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1answer
22 views

installing ubuntu touch -unmet dependancies when installing ubuntu-flash-packagr using Precise or Trusty

in trying to install ubuntu-flash-package (tried on both Precise and Trusty) I get The following packages have unmet dependencies. ubuntu-device-flash : Depends: click-ubuntu-policy but ...
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12 views

apt-get installing postgresql binaries with root ownership

When I was reading an article about installing postgresql from source, it mentions not only to make sure that the data directory is owned by the postgres user, but also the binaries. In fact, it says ...
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0answers
80 views

Invalid 'Date' entry in Release file

I have Ubuntu 16.04. When I do sudo apt update I get the following output: W: Invalid 'Date' entry in Release file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_xenial-security_InRelease W: ...
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12 views

How to install i386 packages on 14.04? [duplicate]

On 12.04, I could sudo apt-get install libcurl3:i386 sudo apt-get install libglib2.0-0:i386 sudo apt-get install libx11-6:i386 and similar, but they don't seem to be available on 14.04. (I need ...
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21 views

Unable to install wine 1.4 in Ubuntu 12.04

I am trying to install wine in Ubuntu 12.04. Before given the sudo apt-get install wine, Ubuntu updated successfully. After that I am getting below error. I think proxy error can any one of you ...
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0answers
21 views

How to downgrade ntfs-3g to version 1:2012

I am completely new to Linux so please be gentle. How do I downgrade my ntfs-3g install to version 1:2012? currently when I try: sudo apt-get install ntfs-3g=1:2012 I get a "Version '1:2012' ...
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1answer
65 views

apt-get broken in 12.10 fresh install [closed]

I just installed Ubuntu 12.10, and can't install build-essential or git. I had internet on and checked both options, to install 3rd party and to download updates while installing. sudo apt-get ...
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0answers
30 views

error processing package upstart (--configure)

I fresh installed Ubuntu 16.04 and this error appeared after all upgrades! $ sudo apt upgrade Reading package lists... Done Building dependency tree Reading state information... Done ...
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0answers
11 views

How to disable upgrade/update of selective packages permanently?

I read this Q&A about How to prevent updating of a specific package? But, I would like to disable/prevent update of a lot of packages, how can I do this efficiently? The above given method ...
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0answers
45 views

Didn't work with pip, but worked with apt-get?

I asked an SO question, where I was trying: pip install -U scikit-image where in fact what was needed was: sudo apt-get install -U scikit-image What's the difference? I mean how the later worked,...
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2answers
466 views

llvm.org 404 preventing apt-get update

When running apt-get update && apt-get upgrade, this happens: W: Failed to fetch http://llvm.org/apt/trusty/dists/llvm-toolchain-trusty-3.6/main/binary-amd64/Packages 404 Not Found I have ...
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1answer
22 views

Rare Full Partition Behaviour

Yesterday, I had my main Linux partition more than 60% free. Today, I tried to upgrade the system (as usual, each day) and it tells me: There is not enough room to perform the upgrading. Please, free ...
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1answer
33 views

Error in software installation

I have installed Ubuntu 16.04 LTS and when I want to install any software I encounter this error: sudo apt-get install openjdk-7-jre openjdk-6-jre [sudo] password for ali: Reading package lists... ...
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41 views

dpkg: unrecoverable fatal error, aborting: files list for package 'adwaita-icon-theme' is not a regular file

When I try to run " sudo apt-get update && sudo apt-get upgrade" command on my Ubuntu 16.04 PC, it throws this error below: pxxxx@pxxxx:~$ sudo apt-get update && sudo apt-get upgrade ...
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1answer
176 views

E: Unable to locate package php5-intl Ubuntu 16.04

I try to update composer but got this error: Your requirements could not be resolved to an installable set of packages. Problem 1 - The requested PHP extension ext-intl * is missing from your ...
1
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1answer
22 views

Failure while removing unwanted packages/configurations/dependencies

I have a minor problem which occurs everytime I'm installing a new application. Basically there must be some unused packages/configurations/dependencies which make some troubles. What happens is, that ...
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0answers
14 views

Reading Package List Error Xenial [duplicate]

After upgrading to ubuntu 16.04, whenever I run sudo apt update, I receive Reading Package List Error and for most of the archives, Failed to fetch http://. . . Empty files can't be valid archives. ...
2
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1answer
40 views

I just accidentally uninstalled a lot of programs, is there way to get all of them back at once? [duplicate]

Okay, so, this question may have been asked before, but I really need help. I ran sudo aptitudeto find a specific package that I wanted to delete. I pressed "Install/Remove Pkgs" and there was a ...
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0answers
30 views

How to uninstall LibreOffice on Ubuntu Mate [duplicate]

I have Raspberry Pi 3 running Ubuntu Mate 16.04. I'd like to uninstall all the crap I don't need, and among the first candidates is LibreOffice. However, when I try to uninstall LibreOffice, I'm ...
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1answer
18 views

Have to use -o Acquire::ForceIPv4=true to do apt-get update/upgrade

I am looking for an other workaround to my problem that apt-get upgrade/update/install wont work via IPv6. I cant use the software center neither can I use the system update center for anything. I ...
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1answer
21 views

How to find the manual page of apt install?

Suppose I want to read the manual page of sudo apt install -f. How to do that ? I mean if I search in man 8 apt I get few details about the install option of apt. Is there a way to check the -f ...
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1answer
64 views

I have a version dependency that I don't understand

Nautilus threw a SEGFAULT, the Ubuntu bug handler caught the crash and generated a crash report. So far, so good. In the bug report, it said that there some packages that were out of date. Okay, I'...
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0answers
13 views

Proxy stopped working after setting static IP

I loaded 14.04 LTS from disc. Network Manager set to AUTO. Added proxy to apt.conf. Firefox and apt-get worked fine. Network Manager set to MANUAL. Switched to static IP. Added gateway, name servers,...
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16 views

cant authenticate and untrusted package errors

These keep comming up, and even hit a couple friends who only use the stock ubunutu desktop and didnt know what to do. because of the variety of issues in this, ive been using the following script ...
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50 views

Please check that the PPA name or format > is correct

There is a problem where one cannot add new PPAs using the apt-add-repository command. It's not 100% repeatable on one machine. I manage many VMs so this one is an anomaly. The rest do not have this ...
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3answers
204 views

Install celestia on Ubuntu 16.04

Until Ubuntu 15.10 it was possible to install Celestia (a real-time 3D space simulation), using apt: sudo apt-get install celestia celestia-gnome celestia-common-nonfree However, in Ubuntu 16.04, ...
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0answers
12 views

Ubuntu 14.04 Unable to find expected entry 'main/binary-1386/Packages' [duplicate]

After searching and trying some of the solutions which are already there on Stack. I am still getting following errors after updating by command sudo apt-get update W: Failed to fetch http://in....
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20 views

Comparing Installed Packages Across Machines

I'm following this guide to compare packages installed on one machine to another machine. Then to sync the two machines so they have (nearly) identical packages. http://www.unixtutorial.org/2014/09/...
3
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1answer
25 views

Why doesn't the chrome dev channel upgrade Chrome via apt-get upgrade anymore?

I was using the Chrome dev channel for a while and was used to getting updates via: apt-get update && apt-get upgrade Recently I discovered though that my dev channel remains the same and I ...
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13 views

Understanding /var/log/dpkg.log on 12.04

Something or someone removed mysql-server : 2016-06-01 08:54:23 remove mysql-server 5.5.49-0ubuntu0.12.04.1 <none> Is there a way to understand what the initiator of this action was?
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13 views

Extract just the name of the package without the descrption in apt-cache?

I want to install multiple plasma packages from apt-get. I am planning to store the names in a file and then execute xargs -a file sudo apt-get install I would get the name from apt-cache search ...
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0answers
18 views

Problems with Python running apt-get upgrade

When I'm trying to make apt-get upgrade I'm getting the following errors: Preparing to unpack .../python-samba_2%3a4.3.9+dfsg-0ubuntu0.14.04.3_amd64.deb ... Traceback (most recent call last): File "...
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1answer
45 views

E: Package 'pkg-config' has no installation candidate [closed]

I am on Ubuntu 14.10 and I try to install new mongodb driver, but I have this error: configure: error: Cannot find OpenSSL's libraries ERROR: `/tmp/pear/temp/mongodb/configure' failed I find that i ...
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0answers
41 views

jitsi missing in apt

Is there a special reason why the jitsi messenger is missing in the current apt-tree (Ubuntu 16.04)? It used to be in there with Ubuntu 14.04, but then was removed again. Are there issues with the ...
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0answers
20 views

Upgrading all packages except Gnome [duplicate]

I would like to know if there is a specific command to upgrade my whole system except Gnome with sudo apt-get update and sudo apt-get dist-upgrade. In a previous post I found the following command to ...
2
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1answer
28 views

Does sudo apt list --upgradeable show kernel updates?

due to Kubuntu built-in update manager being broken at the moment I have to update via cli. I was wondering though does sudo apt list --upgradeable show kernel updates in the list or not ? Thanx
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47 views

E: Unable to locate package ubuntu-desktop

So I am making this post because I have a special case. There are like four questions like this and the right answer seems to be to just do apt-get update, but that does not work for me. So let's ...
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2answers
86 views

Problem with apt-get update and architecture «1386»

I Have a problem with the Architecture 1386, I don't know what it means that but when I put "sudo apt-get update" I get recently this error with many packages: Omitiendo el uso del fichero ...