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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Package with bad signature got instlaled on second try: how?

I executed my daily sudo apt-get update && sudo apt-get upgrade command, and got a bad signature error when hitting google chrome: Fetched 2178 kB in 2s (981 kB/s) Reading package lists... ...
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1answer
89 views

Warnings during Ubuntu Update 14.10

For some days I got the red circle in the notification bar. After not being able to run software-updater, I tried using apt-get update. This is what I got: W: An error occurred during the signature ...
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7 views

Dpkg env variable DPKG_HOOK_ACTION is not set in hook script

According to man dpkg I can use DPKG_HOOK_ACTION to get the current dpkg action being run in my dpkg hook script --pre-invoke=command --post-invoke=command Set an invoke hook command to be run ...
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13 views

Reading package lists quits without any explanation

I'm trying to do a simple apt-get install like sudo apt-get -V install chrome It displays "Reading package lists... 6%" and then abruptly quits so the line now looks like user@server:~$ ists... 6% ...
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21 views

Can't install Java runtime on Ubuntu 13.10 [duplicate]

I've been struggling with this for a few hours now, and I've tried numerous answers to similar questions such as this one. I've tried cleaning and updating apt with no luck. In short, I want Java ...
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1answer
126 views

Where did packages full descriptions go?

Several years I notice that Ubuntu is lacking packages full descriptions. F.ex. Debian have this description for 'aptitude': Package: aptitude (0.6.8.2-1) terminal-based package manager ...
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1answer
67 views

installing git on ubuntu 12.10 [duplicate]

I am unable to install git on my ubuntu 12.10 system. I followed- sudo add-apt-repository ppa:git-core/ppa sudo apt-get update sudo apt-get install git-core sudo apt-get update gives me the error- ...
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1answer
31 views

How To Remove Noobslab/Themes?

I tried installing a theme using the following lines: sudo add-apt-repository ppa:noobslab/themes sudo apt-get update sudo apt-get install vimix-flat-themes Needless to say the theme did not ...
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1answer
37 views

Can't install clamav dependencies?

Turns out I can't install anything using aptitude and I also seem to be missing a few dependencies. When I try to install a program: mom@mom-Inspiron-1720:~$ sudo apt-get install ...
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21 views

Error while installing icedtea package

I am trying to install icedtea package with source package using following command ./configure The error that i get is configure: error: Package requirements (glib-2.0) were not met: No package ...
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1answer
26 views

Why do dist-upgrade and upgrade give different held packages?

sudo apt-get upgrade gives: Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages have been kept back: ...
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111 views

E: Unable to locate package git

I am trying to install git, I used sudo apt-get install git command and it results: E: Unable to locate package git This question have been asked by many people but not a single answer has fixed my ...
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1answer
23 views

Installing files from archive cache

How to make a backup of apt archive cache? If I make a backup of the archive cache can I install the applications in the current system to any system, which is running the same OS, using the archive ...
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18 views

Apt-Get Update only spits out errors

First of all I am sorry if this has already been asked. I searched around and couldn't find any specific answer to my problem. I had a WorkGroup LAN server working as of yesterday. Today at&t came ...
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92 views

sudo apt-get error

So I am trying to use apt-get update but it is spitting out errors. $ sudo apt-get update Err http://extras.ubuntu.com trusty InRelease Err http://plex.r.worldssl.net lucid InRelease Err ...
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1answer
33 views

Installing firmware-b43-installer in terminal, get E: Could not get lock /var/lib/dpkg/lock [duplicate]

I am getting the following error message. Please help $sudo apt-get install firmware-b43-installer [sudo] password for sophon: E: Could not get lock /var/lib/dpkg/lock - open (11: Resource ...
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44 views

Messed up while installing octave in Ubuntu 14.04. Having trouble doing apt-get upgrade & apt-get -f install now

Output of apt-get upgrade: Reading package lists... Building dependency tree... Reading state information... 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or ...
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2answers
52 views

[Solved]Tomcat7 installation failed via apt-get on Ubuntu 14.04

I'm facing an issue while installing Tomcat7 in Ubuntu 14.04. The JDK is already installed on my system (1.7 version), but when I use apt-get install tomcat7 I get the below error: Setting up ...
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2answers
68 views

E: Package 'honeyd' has no installation candidate

How can I install honeyd on Ubuntu14.04. I get following Error when try to install it using apt-get: sudo apt-get install honeyd Reading package lists... Done Building dependency tree Reading ...
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2answers
85 views

kernel is outdated

I have troubles with updating my kernel. I'm running Kubuntu 14.04. uname -r output: 3.13.0-32-generic I clearly see newer versions in repos with sudo dpkg --list 'linux-image*': ... ...
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8 views

How can i fix E: encountered a section with no Package: header E:problem with mergelist / [duplicate]

E: Encountered a section with no Package: header E: Problem with MergeList /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en E: The package lists or status file ...
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1answer
39 views

How to --install-suggests on an already installed package?

Or: what is the proper way of installing missing suggests for installed packages?
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1answer
79 views

How to install wkhtmltopdf 0.12.1 on Ubuntu server?

I am trying to install current stable version 0.12.1 but it only installs 0.9.9. Any chance to install latest version with apt-get install? It seems that 0.9.9. is very old :(
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9 views

apt-cacher or alternative that supports repos with HTTP basic auth?

We're using a repository that uses HTTP basic auth, so /etc/apt/sources.list/ contains something like: deb http://user:pass@mirror.tld/dir/ release main contrib non-free And would like to cache ...
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1answer
66 views

How do I repair dpkg and apt-get?

Every time I do: sudo apt-get update && sudo apt-get upgrade I get all these with in the end the error reports: Ign http://nl.archive.ubuntu.com trusty InRelease Ign ...
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2answers
44 views

why ubuntu unable to install two programs at once?

i tried to install two programs at once in Ubuntu via terminal. it says this. E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable) E: Unable to lock directory ...
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22 views

Where to find all installed binaries with a package?

I'm developing a website and out of curiosity I want to know more about the environment we're using. I'm specifically interested what the things are which are installed on Ubuntu when running the ...
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28 views

Ubuntu 14.04 LST - update failed - No solutions

"please dont mark my thread to duplicate if you dont read the content" Its difference. I setup new ubuntu box on my vps. After that i try to update but no lucky : W: Failed to fetch ...
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1answer
21 views

How can I install apt packages non-interactively?

If I run: sudo apt-get --yes install postfix or sudo bash -c 'yes | apt-get --yes install postfix' an interactive prompt appears to configure postfix. I need to automate the installation of ...
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1answer
16 views

How to remove some packages which contain a certain keyword?

For example, when I want to remove Xfce, I did this: aptitude search xfce | grep ^i id gtk2-engines-xfce - GTK+-2.0 theme engine for Xfce id libxfce4ui-common ...
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2answers
48 views

Unable to install acrobat reader in ubuntu 14.10

actually, I have tried doing it once. In the middle of installation, my desktop freezes and had to forcefully restart it soon. I am giving the error message , please help me ASAP. Reading package ...
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17 views

Ubuntu 14.04 LST - update failed with 404 Not found - No solutions can help me in this case [duplicate]

I setup new ubuntu box on my vps. After that i try to update but no lucky : W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/binary-amd64/Packages 404 Not Found ...
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2answers
55 views

apt-get purge libc6-dev-i386 want to remove important packages

I had problem when compiling 32-bit ELF inside 64-bit Ubuntu. This is error message produced by GCC compiler : cheap-laptop@my-machine:~/DEV-DIR$ gcc -m32 test.c -o test In file included from ...
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19 views

Question about libmatio-dev

I want to install libmatio-dev, but a specific version (1.3.4-2). Whenever I run sudo apt-get install libmatio-dev, I get 1.5.2 installed instead. How do I force the install of 1.3.4-2?
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1answer
17 views

No image output after gnome-applet purge

Okay, so I was trying to get my flash player to work on Amazon prime video's DRM protected content. I Google's some things and it said I should install a thing called hal. I tried it using apt-get ...
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1answer
31 views

Openntpd cannot be uninstalled

I have openntpd installed when I was trying to install Cloudstack on my Ubuntu 14.10. I no longer needs openntpd but now I cannot uninstall it. I tried sudo apt-get autoremove and purge but I always ...
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1answer
18 views

Upgrading Chrome stable aptitude reports version 39 but chrome://chrome reports 38

I am trying to upgrade google chrome to the latest stable release. I used apt-get purge google-chrome-stable to remove and then installed the lastest through the PPA /opt/google/chrome$ apt-cache ...
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1answer
34 views

how to install numpy in ubuntu 12.04 [closed]

I need to install numpy in my ubuntu 12.04. I am new to linux so please give me step by step orders to terminal. I downloaded the numpy 1.9.tar.gz and unpacked it. now please tell me how to proceed. ...
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1answer
44 views

Broken Package Manager: Can't fix dependencies cause of different problem

I'm a relatively inexperienced Linux user having a problem with Ubuntu LTS 14.04.1 LTS (installed from the MythBuntu DVD). If I run 'sudo apt-get install', I see the following errors: You might ...
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2answers
79 views

HELP i cant install anything [duplicate]

i tried editing /etc/apt/sources.list and hono of the ULRs below appear in it. thanks in advance btw im running 12.04 root@p:~# apt-get update && apt-get upgrade Hit http:// ...
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20 views

How can I disable apt-get autoremove?

I added a bad ppa to my system and now I need to do manual package removing/downgrading. The issue is that I enabled apt-get autoremove a while ago and removing a package to later replace ...
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1answer
28 views

Kubuntu 14.10, updates gives GPG error

I'm running Kubuntu 14.10. About a week or so ago, I noticed that doing a 'sudo apt-get update' gives me the following error at the end. Fetched 16.0 MB in 24s (650kB/s) ...
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1answer
35 views

What does it mean that python-keyring “suggests” python-kde4?

I have a pending update for "Get Hot New Stuff" for the KDE Platform (libknewstuff2-4). I don't recall installing anything with KDE dependencies (I'm using vanilla Ubuntu), so I tried to figure out ...
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23 views

Fix extracted but not configured package blocker

Problems started after an unexpected power loss while executing apt-get dist-upgrade. When I now run command (as root) apt-get dist-upgrade and got the following output: Reading package lists ... ...
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25 views

Problem importing a module (mpl_toolkits.basemap) in Python

So the issue is this: I'm attempting to learn how to plot maps with Python, using shapefiles. There are plenty of examples available on the internet, but just about all of them start with something ...
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1answer
70 views

How to Install php 5.3.10-1ubuntu3.14 on Ubuntu 12.04

I am experiencing problems with my PHP application with 5.3.10-1ubuntu3.15. I have identified what the problem is, but in the meanwhile I would like to downgrade to 5.3.10-1ubuntu3.14, because the ...
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1answer
46 views

wget | apt key add problem

just tried to install a key from acestream (Ubuntu 14.04). This command doesn't work for me: sudo wget -O - http://repo.acestream.org/keys/acestream.public.key | sudo apt-key add - The key is ...
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1answer
61 views

Chrubuntu 14.04 WINE install unmet dependencies

Okay, I understand that there have been quite a few solutions to this problem. None of them have worked for me. To explain my conundrum I shall post the output of "sudo aptitude install wine1.7". ...
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1answer
95 views

How to install Virtualbox 4.3.20 on ubuntu 14.04?

I m getting the following problems; when I m trying to install Virtualbox, soomaiya@soomaiya-Satellite:~$ sudo apt-get install virtualbox-4.3 Reading package lists... Done Building dependency tree ...
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2answers
24 views

Luarocks: 404 Not Found

I'm fairly new to Linux and am having some problems installing luarocks. I keep getting the error E: Failed to fetch ...