Questions about the management of packages, in particular the `dpkg` system.

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37
votes
3answers
51k views

How to set up and use a virtual python environment in Ubuntu?

Python virtual environments are used to create isolated python environments to avoid dependency and version conflicts, and also indirectly takes care of permission issues. But what is the easiest way ...
0
votes
1answer
158 views

Package libgeotiff-epsg is not available and has no installation candidate

I am installing openstreet server on Ubuntu and for that I need to install libgeotiff-epsg package. When I do sudo apt-get install libgeotiff-epsg, it it returning that Package libgeotiff-epsg is ...
2
votes
1answer
9 views

Where can I find the source code for the apt package manager?

I would like to modify some functionalities in the apt-get package manager, but I can only find the apt-get binaries. Where is the source code for the package manager?
20
votes
4answers
98k views

How to resolve “Failed to download repository information”?

Whenever I try to install anything with the Ubuntu Software Center, the following error appears. Failed to download repository information Check your Internet connection. E:Unable to ...
1
vote
0answers
29 views

Apt-get install -f and apt-get autoremove error

I've tried to install new software on Ubuntu and it told me to use that command apt-get install -f, but I get back an error message and I have no idea how to fix it. After that, I tried to use ...
0
votes
1answer
79 views

Ubuntu 16.04 “Nvidia GPU Driver” can not use proprietary driver

After a fresh install (16.04) to my notebook which have Nvidia GT 750m, I want to change GPU driver from "Software & Updates" --> "Additional Drivers". System identifies my graphic card, no ...
1
vote
2answers
131 views

After Ubuntu 16.04 installation can't install almost anything

I fresh installed Ubuntu 16.04 to my laptop recently and since that I can't install lots of things. I know there is a bug in the Software Center but the problem is not limited to that. I can't install ...
0
votes
0answers
6 views

installed package with snap - command not available

I saw that tmux is available with snap find and apt-cache. I decided to install with snap. Howto use now tmux? I am normal desktop user, not cloud computing. # snap error: Please specify one ...
0
votes
2answers
464 views

How to make packages for ARM in Launchpad?

When I request builds in this recipe it only creates 32 bit and 64 bit packages. How to create packages for ARM? I am using Quickly.
0
votes
1answer
43 views

Required installation of untrusted package

Today I was updating my Ubuntu software and suddenly a 'not possible to update because package system is broken' error came up. Somehow I try to follow from Ubuntu community in Google and something ...
1
vote
0answers
16 views

Can't install libSDL2-2.0-0:i386

I'm trying to run Star Conflict. It had troubles with libcurl, but I fixed that. Now, it wants the 32-bit version of libSDL2-2.0-0. No problem right? Well, this is what it says: dirk@SUBNETDEFENSE:~$ ...
0
votes
0answers
15 views

Unmet dependencies error

When I try to install gparted Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have ...
-1
votes
0answers
36 views

Ubuntu 16.04 broken packages after fresh install

After fresh install of Ubuntu 16.04, i have broken packages and can not install most of applications. I tried from Synaptic "Fix broken packages" but it is not working. An example; sudu apt-get ...
0
votes
0answers
14 views

How to install Opkg package manager on Debian

I followed the instruction on this page but in the first step only I got the error saying no package named libarchive13 found. I searched for the package too, using command apt-cache search ...
0
votes
0answers
214 views

Update issues 16.04 - Failed to download repository information

I keep getting the old message that I experienced from previous upgrades of yonder. Changing the server and refreshing doesn't seem to work anymore. W:There is no public key available for the ...
0
votes
0answers
25 views

Ubuntu won't startup after autoremove

I installed Ubuntu on my Toshiba PC 4 days ago. I have a wireless mouse and a keyboard that were not working so I ran this command in the terminal: sudo apt-get install xserver-xorg-input-all Then ...
0
votes
1answer
17 views

Unable to install npm on ubuntu 14.04 due to broken packages error

Tried installing npm on ubuntu 14.04 however the following error has occurred gwt@gwt-Aspire-E1-571:~$ sudo apt-get install npm Reading package lists... Done Building dependency tree Reading ...
0
votes
0answers
20 views

Dependency problem

I use Ubuntu on my offline laptop. Since I want to install python, I have to install a lot of dependencies as well, and to install those dependencies I need even more dependencies of the ...
0
votes
0answers
9 views

kubuntu-desktop dependencies problem, now forbidden icon

A week ago, one of my friends said that the kubuntu-desktop is cool. So I installed it. But now there are dependencies problem with kde-telepathy-minimal, and the forbidden icon turned up and said ...
2
votes
1answer
32 views

How can I view man pages for apps installed via snaps?

I have a fresh installation of Ubuntu 16.04 LTS, and tried to install a few apps using the new snap packages. The installation of those packages goes easy, but when I try to do man <package> I ...
0
votes
0answers
47 views

Multiple packages configured error while using command sudo apt-get update

I recently did a fresh install of Ubuntu 16.04 and installed some softwares and themes. After using command sudo apt-get update, I get this as result. abskpr@abskpr-PC:~$ update Hit:1 ...
0
votes
1answer
39 views

How to install webilder on Ubuntu 16.04?

I was trying to install my favorite background changer application on the latest Ubuntu, however I met the following Issue: webilder : Depends: python-support (>= 0.90.0) but it is not installable I ...
0
votes
0answers
11 views

Getting this error :Sub-process /usr/bin/dpkg returned an error code (1) when I try to run sudo apt-get install python-matplotlib

I tried installing matplotlib, to make graphs on python on Ubuntu 14.04 and am getting the following error. I am unable to resolve this error: (env)ubuntu@ubuntu-Inspiron-5423:~/tweepy$ sudo apt-get ...
5
votes
1answer
31k views

How can I install python-dev off apt-get?

I have tried this and this and this and this Well nothing works with me, i got my amd64 system, 14.04 up and runnig, as I try to install wagtail, a django cms, i get the error. pysass.c:4:20: ...
19
votes
4answers
14k views

Can I purge configuration files after I've removed the package?

I was doing a package removal with apt-get remove but then realized I should have done a --purge along with it to remove the configuration files. Can I remove the packages configuration files easily ...
1
vote
2answers
213 views

Problem installing Dolphin-emu, Unmet dependencies

When attempting to install Dolphin-Emu, I have come across a un-met dependences that are preventing the installation. I installed Dolphin-Emu as a PPA, so I could manually install the package. Every ...
2
votes
2answers
957 views

No installation candidate for “libicu52” on 15.10

When I try to install sudo apt-get install libicu52, I get the following error. I'm using Ubuntu 15.10, 64 bit. Reading package lists... Done Building dependency tree Reading state ...
15
votes
5answers
43k views

How to remove/install a package that is not fully installed?

I went to install bsnes the other day and for whatever reason the installation failed. Now, I cannot update, install new packages, or do basically any apt-get commands as they all try to process this ...
0
votes
0answers
10 views

Error in cqrlog install while processing cqrlog

I cannot install or remove cqrlog. Running apt-get I get this error: $ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done 0 ...
0
votes
0answers
13 views

Configure cron-apt to use smtp relay

I've setup cron-apt on Ubuntu 14.04.3 to automate updates. I'd like it to email notifications and have configured MAILTO="user@example.com", and MAILON="upgrade" options in /etc/cron-apt/config. I ...
27
votes
5answers
27k views

How to fix “Package is in a very bad inconsistent state” error?

I can't update my system because it freezes while installing a third-party update (zramswap-enabler)! Sometimes I get the following message in Update manager: Could not initialize the package ...
1
vote
1answer
4k views

Can't install php5 on Ubuntu 16.04

so I've recently installed my first Ubuntu, to be precise, a daily build of 16.04, on my new laptop since the hardware was to new for 15.10. Now I'm in the process of setting it up and I want to ...
0
votes
1answer
5k views

How to install metasploit and armitage in Ubuntu?

I've a problem with Armitage and Metasploit. I tried this commands to install them sudo nano /etc/apt/sources.list Then a pasted this and saved the list deb http:// http.kali.org/kali kali main ...
0
votes
1answer
258 views

How do I install hipchat on Ubuntu 16.04

I am getting following error, when I add their repo to apt sources and run apt update: E: Failed to fetch https://atlassian.artifactoryonline.com/atlassian/hipchat-apt-client/dists/xenial/Release No ...
0
votes
0answers
21 views

How does dependency resolution work if you apt-get install a list of packages?

Does apt-get automatically resolve dependencies if you apt-get install a literal list of packages? I understand the default behavior of a command like apt-get install foo is to install the latest ...
-1
votes
0answers
18 views

install gpg 2.1.7+ on *ubuntu 16.04 (support for ECC keys)

so I want to create ECSDA keys. so I tried to install gpgv2 2.1.7 http://www.gniibe.org/memo/software/gpg/keygen-25519.html but that failed with following The following packages have unmet ...
0
votes
0answers
16 views

“Error: Opening the cache …installed packages have unmet dependencies” [duplicate]

I recently started using Ubuntu, and today I got the following error and am unsure how to proceed. I would appreciate any input. An error occurred, please run Package Manager from the right-click ...
22
votes
1answer
8k views

What is the difference between sudo apt-get install and sudo apt install

I installed many packages from sudo apt-get install but when I typed sudo apt --help it gave a direct option of doing installation by sudo apt install [package name]... So, what is the difference ...
22
votes
1answer
12k views

Unable to find expected entry 'main/binary-i386/Packages - Chrome [duplicate]

I recently noticed while installing some packages and using the command apt-get update that I ran into the following error: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release ...
1
vote
0answers
33 views

Error installing snap ubuntu 16.04

I get this error when try to install snapd from terminal: Selecting previously unselected package squashfs-tools. (Reading database ... 265122 files and directories currently installed.) Preparing to ...
0
votes
1answer
190 views

Is it possible to install MySQL 5.5 or 5.6 on Ubuntu 16.04?

I recently upgraded to Ubuntu 16.04. Unfortunately I need to work MySQL 5.5 or 5.6. I tried many solutions to have MySQL 5.5 or 5.6 run on Ubuntu 16.04 like this Install MySql 5.6 on Ubuntu 16.04 . ...
0
votes
1answer
43 views

Printer driver depends on libbeecrypt7:i386 but it's not in repositories

I just did a fresh install of Kubuntu 16.04 and now I'm trying to configure a printer. The printer is a Canon mf4320d, so I downloaded the driver from manufacturer's website and tried to install it. ...
1
vote
1answer
18 views

Why so many “removed but not purged” packages?

Running aptitude search '~c' prints a whole bunch of removed but not purged packages, including, e.g., all kernels I have ever had installed (starting with linux-image-3.19.0-30-generic). Why ...
0
votes
1answer
14 views

Does manual kernel update affect the next regular automatic update?

I installed the kernel 4.4.8 manually from http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.8-wily/ to circumvent a bug. Now I wonder what will happen when this kernel gets officially distributed by ...
0
votes
1answer
30 views

Install python 2.7.11 on Ubuntu without compiling or replacing the pre-installed version

I'm using Ubuntu trusty which comes with python 2.7.6 pre-installed. I need to install 2.7.11 in like /usr/local/bin/python without touching /usr/bin/python or compiling from source. There are some ...
1
vote
1answer
181 views

Regexp/config var for apt-cacher to allow repo files for 16.04 clients (Metadata, Components-*.yml)?

I use apt-cacher on a Debian server, and doing an apt-get update with a 16.04 client I'm finding that it's blocking a bunch of repo files including icons-64x64[.tar[.gz]], some xz extensions, Metadata ...
-1
votes
0answers
17 views

Error de escritorio de Metacity (Gnome; Unity) [closed]

El escritorio al inicio dejaba como una mancha de loque se iba ahciendo, es decir, abría la terminal, y al minimizarla, se veía en ese lugar una imagen de la terminal (pero estaba minimizada) igual ...
0
votes
0answers
19 views

How can I replace ZFS package from zfsonlinux.org with the ones come with Ubuntu 16.04?

I was using ZFS packages from zfsonlinux.org before 16.04 released. Now Ubuntu 16.04 is released with ZFS built-in. So far zfsonlinux.org packages are still working, but I prefer to use 1st-party ...
0
votes
0answers
13 views

Software Updater Hanging installing “Auto configuration for MySQL APT Repo”

My Software updater is failing to install the package "Auto configuration for MySQL APT Repo". It always starts and during Post Install it starts consuming all my CPU and stays like that forever. I ...
3
votes
1answer
54 views

Snap in Ubuntu 16.04

Completely confused with this new feature snap. I know this might be detailed question-answer but I need to know some info regarding it. I have read that new application format, snap which can be ...