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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No puedo abrir el centro de software ni el gestor de archivos.

No puedo abrir el centro de software ni el gestor de archivos. Aparece el siguiente error: E: Línea 2 mal formada en la lista de fuentes /etc/apt/sources.list.d/mono-xamarin.list (tipo) E: No se pudo ...
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Error installing lib32stdc++6 on ubuntu 14.10 on a 64bit OS

While installing android studio on ubuntu, I am getting error could not run mksdcard SDK tool I found out that I need to install lib32stdc++6. But executing sudo apt-get install lib32stdc++6 is ...
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software center crashing and wont re install [duplicate]

Im using Ubuntu 14.4 and my software center has crashed and wont open. I have tried several removal and re-install options in terminal. Here is what I get. Any suggestions. ...
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1answer
19 views

Cannot remove or update a package

I ran into a problem that I cannot remove or update masalla-icon-theme package that I installed from Noobslab ppa using apt-get. The issue is I ran sudo apt-get update && sudo apt-get ...
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14 views

How to manage local Ubuntu mirror?

I'm in the process of setting up an on-site mirror of the Ubuntu repositories for 14.04 using apt-mirror. I will start by creating a full current mirror, let's call it Test_Mirror. I want to create a ...
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Symantec Class 3 G4 intermediate certificate missing from ca-certificates/ca-certificates-java

I hope that you can help. I did a search and didn't find this exact issue. A vendor of ours recently updated their SSL certificate using a Symantec intermediate certificate. Our java process was no ...
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4answers
1k views

Install a list of packages only if they aren't already installed

I'm trying to automate my setup as much as possible. To do this I have lists of packages that I want to install, for example: banshee wireshark audacity thunderbird thunderbird-lightning calibre ...
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16 views

Can't update my apt packages.. problems with python-oneconf, software-center.. pyclean & pycompile not found

I can't update-upgrade my ubuntu packages anymore after my latest update/upgrade/dist-upgrade here are some outputs : $sudo dpkg --audit The following packages are in a mess due to serious problems ...
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1answer
22 views

How to restore to default source list?

Before this problem occured, i got duplicate source.list entry error when do apt-get update command and decide to solve it. I don't know what to do now.. UPDATE Output of sudo apt-get update: $ ...
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1answer
24 views

Are there APIs to achieve centralized patching?

I am trying to make a centralized patch management tool, which can be used to perform the controlled update of all the Ubuntu machines in my network. I did some research, and collected the following ...
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node version outdated [duplicate]

I am trying to install Yeoman in my machine but i am getting the error node outdated,when i checked my versions i got this. node --version && npm --version v0.10.37 1.4.28 if my versions ...
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2answers
385 views

Using sudo apt-get install, why no source code?

I was trying to install a package for robotic operational system (ROS). And I just go ahead and type sudo apt-get install <package> After installation, I see a list of files in /opt/share ...
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4answers
34k views

Show apt-get installed packages history via commandline?

Is there a way to show the history of installed packages that were installed by apt-get via commandline?
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4answers
3k views

How to know last time apt-get was executed?

I known that the command to update the repository lists is apt-get update. How to check if it has been executed today or in the last 24 hours? I do not known if should check some file timestamp. Or ...
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1answer
20 views

I installed a version of Apache newer than what's in the repos. Will it be checked for updates?

I'm confused about how the package management system works in the case I'm about to describe. I found similar questions on askubuntu but I don't understand the system well enough to apply what I read ...
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2answers
11 views

How do I block a specific VERSION of a package to be installed by aptitude (or apt-get)?

I have a problem with a program crashing, and I suspect that only the latest version of the package has this problem, so I wish to block this particular version from ever being installed – but I still ...
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0answers
29 views

Unable to install updates in Ubuntu 14.04 LTS

My automatic software updater stopped working and I have not been able to get it fixed. I tried the suggested fixes here but it didn't work. I then reached out for help to a senior Unix dev who ...
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2answers
16k views

“The package lists or status file could not be parsed or opened”

Everytime I sudo apt-get update it always not complete and will say in the end E: Read error - read (5: Input/output error) E: The package lists or status file could not be parsed or opened. Same ...
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Specific version for packages

I am using salt-stack to manage servers state(required software/tools/libraries etc). I use specific EC2 images for ubuntu(14.4 x64) instances so I am sure that the os version will not change. I am ...
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1answer
21 views

libpcap 32 bit on 64 bit Ubuntu

I'm trying to install Gulp. As the author says it needs 32-bit libpcap-dev libs for building the application, but when I try to download 32bit version it says NO INSTALL CANDIDATE AVAILABLE ...
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1answer
30 views

Google chrome removal after deleting /opt/google

I had installed google-chrome and there was a folder named google in /opt. For some reason I accidentally removed /opt. Now I have trouble removing google-chrome-stable with apt-get. Any ideas on how ...
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1answer
24 views

something wrong with my package lists(I think) [duplicate]

So when I'm trying to install something with apt-get, this happens, jabez@jb-Inspiron-3537:~$ sudo apt-get install libwxgtk2.8-0 Reading package lists... Error! E: Encountered a section with no ...
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1answer
44 views

trusty GHC from universe breaks trusty

I want to install haskell compiler GHC, and some other packages dependent on it. (version 6.4 or higher) http://packages.ubuntu.com/trusty/ghc so I try: $ sudo apt-get install ghc Reading package ...
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1answer
36 views

muon is gone after change of python / issues after python 2.7.10 installation on ubuntu 14.4

My muon is gone on my Kubuntu 14.4. If I try to install it with sudo apt-get install muon I get the message The following packages have unresolved dependencies: muon : Depends on: ...
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1answer
12 views

Synaptic requiring too many additional removals?

I installed LLVM out of curiousity some time ago, not using it for anything specific. Today I tried removing it with Synaptic, the same way I installed it. The problem is, marking 'removal' on one of ...
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2answers
19 views

dpkg broken by oracle-java8-installer

I want to remove the oracle-java8-installer but it gives the below errors. Perhaps good to mention that I messed a bit with apt, e.g. at some point I manually removed the apt cache (but the java ...
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0answers
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How to Remove Webbrowser Without Uninstalling Unity Webapps?

I want to save disk space by removing unwanted applications such as webbrowser(I use firefox). however, after sudo apt-get uninstalling or purging I can't open unity tweak tool, and by reinstalling ...
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1answer
15 views

Can't install firmware-b43-installer online

I'm on a fresh install of Lubuntu 15.04 on a Dell Latitude D630 - specifically, I've got a Broadcom BCM4311 wireless network card. I've read through the instructions at ...
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1answer
290 views

Right way to completely clean up old kernels in terminal

I have been going through various questions about how to clean up old Linux kernels. They all seem to have different answers and they are old, so someone is bound to say the question is too old and ...
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0answers
16 views

How can I build PHP5 Dependencies while having MariaDB installed?

I am trying to build php5 dependencies on Ubuntu 14.04.2 LTS. Unfortunately I get the following error message. % sudo apt-get build-dep php5 Reading package lists... Done Building dependency tree ...
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3answers
6k views

How to install again Update Manager after uninstalling it

I tried asking many times on few Ubuntu forums how to deal with my non-responsive Update Manager, but all I was getting was the same stuff (run it from the terminal, run some lines, apt-get update ...
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1answer
861 views

Can't install Python-software-proper or Icehouse on server 12.04.5 LTS (Hash Sum mismatch)

Following a fresh install of server 12.04.5 i need to install python-software-properties and icehouse to build a HP SDN server. apt-get install -y python-software-properties add-apt-repository ...
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1answer
17 views

installing 32 bit libraries on ubuntu 14.04 64bit:errors

Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or ...
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2answers
189 views

Problem removing avg

I've tried to remove avg2013 however when I try I get a funky error message. The command I'm running: sudo apt-get remove --purge avg2013flx The error I get: Removing avg2013flx (2013.3118) ... ...
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“error: cannot find -lGL” in Qt creator 5.5.0 on Ubuntu 14.04 LTS

I am trying to build and run a sample program on Qt creator 5.5.0 and Ubuntu version is 14.04 LTS. Every time its giving an error cannot find -lGL and id returns exit 0. I tried to resolve this ...
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1answer
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Having problems installing Krita, unmet dependencies

sudo apt-get install krita Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested ...
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1answer
3k views

Unable to find expected entry 'restricted/binary-amd64/Packages' in Release file [duplicate]

I use 64bit Ubuntu 14.04. When I run sudo apt-get update it gives the following error. Unable to find expected entry 'restricted/binary-amd64/Packages' in Release file W: Failed to fetch ...
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1answer
10 views

Software center is not working with proxy

I edited the /etc/apt/apt.conf with Acquire::http::proxy "http://071.12106en068:password@10.1.1.19:80/"; Acquire::https::proxy "https://071.12106en068:password@10.1.1.19:80/"; same with ftp ...
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5answers
96 views

Apt fails to remove partially installed kernel and can't install any other packages

Apt is failing to upgrade or install new packages after a seeming partial kernel upgrade. I've tried apt-get purge -f linux-image-extra-3.19.0-22-generic which fails with a very similar error message. ...
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4answers
10k views

apt-get doesn't work behind a proxy

My company uses an HTTP proxy and our various Ubuntu 12.04 servers therefore need to be configured properly, namely by setting \etc\apt\apt.conf.d\80proxy to: Acquire::http::Proxy ...
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2answers
38 views

How can I get a list with the packages selected by apt-get autoremove?

Is there any command that prints only the name of the packages that apt-get autoremove selects? I'm creating a script that updates the kernel, removes the old kernel and the unnecessary packages ...
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2answers
1k views

apt-get, unmet dependencies, … “but it is not going to be installed”

$ apt-get install -f -o 'Dpkg::Options::=--force-confmiss --force-all --force-confnew --overwrite-conffiles' --reinstall at-spi2-core Reading package lists... Done Building dependency tree ...
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1answer
61 views

Can't install anything? [duplicate]

When I try to run something like sudo apt-get install rdesktop, I get this: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run ...
56
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5answers
143k views

Unable to correct problems, you have held broken packages

After upgrading from 10.04 to 12.04 I am trying to install different packages. For instance ia32-libs and skype (4.0). When trying to install these, I am getting the 'Unable to correct problems, you ...
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2answers
27 views

Runnig apt-get install updated unrelated packages and is causing issues

I recently ran apt-get install unzip on an Ubuntu server, for some reason it started updating almost every package on the system - apache, php, git, mysql, numerous libraries and more. Eventually it ...
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Ubuntu 14.04 LTS with Epson L210 driver

I try to install driver Epson L210 on ubuntu 14.04. using icon 'printers' it got stuck installing after awhile key in the admin password. try other method`sudo apt-get install ...
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1answer
19 views

Unable to install latest git on Ubuntu

I have checked this answer and followed the same steps. My system throws git is already the newest version. But when i do git --version it shows git version 1.8.1.2 I need to install git >= ...
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1answer
25 views

dpkg error while installing fail2ban on ubuntu 15.04

I'm trying to reinstall fail2ban after upgrading from 14.10 to 15.04. I was getting these errors so I did apt-get remove fail2ban and then apt-get install fail2ban, however I still get these error ...
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2answers
5k views

Apt-get take long time to update\upgrade

On my work network any apt-get (or aptitude) commands take a very long time, it's look's like admins blocked some port for it (for unknown reason). For example sudo apt-get update take like 2 days ...
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// , How can I prevent Prey 1.4.0 and 1.3.9 installation happenning over and over as it tries chown?

// , I keep seeing attempts to chown files for prey 1.4.0 and prey 1.3.9 near the end of the output for any dpkg installation command. For instance I get the following spew in response to sudo ...