APT (Advanced Packaging Tool) is the standard software package management system for Debian and its derivatives.

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Strange messages on (un)installation

A lot of times when I (un)install packages, I get strange warning messages. Here's a snippet: Processing triggers for libglib2.0-0 ... Processing triggers for man-db ... Processing triggers for ...
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SSH pipe broke while running apt upgrade. What can I do about it?

I was connected to my aws debian wheezy server and while running apt-get upgrade the ssh pipe broke. I didn't use screen or anything, so I don't think there's a way to recover that session. If I ...
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1answer
47 views

track down executables installer

I have a freshly installed debian system It has vim installed using apt-get install vim Now I have the command xxd installed on the system. I know that this had to have come from the vim ...
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On Debian Testing: How to get a recent Iceweasel Release (non-ESR) version without updating to Unstable?

I'm on Debian Jessie / testing. It currently has Iceweasel 17, but I would rather like to use a more recent release (Mozilla "Release" or "Firefox" 'channel' - currently Iceweasel 25). ...
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Installed using apt-get, then ran out of storage

I attempted to install a large package, forgetting that I had little space left, and now I am a little stuck. When I attempt to remove any packages I get the following error: E: dpkg was ...
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How to manually insert a repository in source.list?

I tried to add a new APT repository using this command: add-apt-repository ppa:atareao/atareao but I got a "command not found" error. I tried installing python-software-properties, but it's already ...
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listing packages in Debian, a la `dpkg -l`, but including the package origin/source

I want to list all packages of the form $ dpkg -l libav\* but in addition to this output, I would like the origin/source (I'm not sure of the preferred term) of each package. If the package doesn't ...
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615 views

Consequences of setting up POSIX locales

Small background of the situation: We are using several UBUNTU servers having English as working language; however having en_US locale set in machines we encounter problems with apt-cacher-ng ...
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817 views

apt-get install gives 404 not found, but URL works

I am trying to set up an apt repository. This repository is actually replacing one that already exists and is functioning fine. I can't manage to install a package from this repo. In my ...
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117 views

Package management without the need of root permission

Am looking for a way to install packages in home folder. This thread suggests using apt-get source ./configure --prefix=$HOME However, it doesn't provide a way to manage dependencies like apt-get ...
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1answer
537 views

apt-get doesn't upgrade openssl on debian 7

I'm facing the following problem. If I run the command sudo apt-get upgrade, I get: Reading package lists... Done Building dependency tree Reading state information... Done The following ...
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apt-get: install modified package with dependencies

I have downloaded a Debian package lxde, together with all its dependencies: apt-get install --no-install-recommends lxde --download-only So now, I have all packages in my /var/cache/apt/archives. ...
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Reinstall versions of software not found in repositories

I recently installed the utouch-daily PPA, and it's given me some problems. How can I revert to the packages available in the default repository? I've removed the repository from ...
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1answer
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How to find Debian packages that would free up the most space

Say I have a Debian machine where I would like to free up space on '/' by removing useless packages. To find good candidates of packages to review, I would like to focus my attention on the largest ...
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Failure to startx on Ubuntu 14.04 after security update - missing libXfont.so.1

I had Ubuntu 14.04 running perfectly on my system and then it underwent a recommended security update. I let it update while I was at work and when I returned I found a black screen stating, "No init ...
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Issue installing OpenVPN via apt

Pastebin I wanted to install OpenVPN on my Debian Wheezy server at home, so I could create a tunnel with my phone or tablet from outside my home. We use OpenVPN at work, so I figured it would be easy ...
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126 views

In synaptic, is there a way to always expand “Details” when installing a package?

While using synaptic and update-manager in Debian (I'm using unstable), I always like to see what it is doing while installing and always manually expand the "Show installing files" and "Details" ...
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Apt/Aptitude: how to filter packages that are impossible to install?

Especially when running Sid, there are many packages that become non-installable as the dependencies change ABI versions, or the dependencies themselves may have been dropped. It'd be good to know how ...
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339 views

How do I hide packages from appearing in apt system?

The list of uninstalled packages appearing in my aptitude is massive, but is full of packages that I'm very sure I will never ever install. E.g. my laptop is using intel graphics, so it doesn't make ...
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Manage local package repository

I just installed a fresh Waldorf (Crunchbang, Debian Wheezy-based) on a computer which has no Internet access. Previously on a Xubuntu 10.04 VM, what I did when I needed some software was: go to ...
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Generating a list of alternative packages with apt tools

Given a package how can I list all possible packages that are alternatives to this package? In the alternate, how can I tell if a package or one of it's alternates is installed? Using something in ...
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4answers
685 views

Connect to the Internet on a VPN connected server without Internet

I've a remote server which is not connected to the internet, but I can connect from via SSH to it through a VPN tunnel. On this client I got internet. Is it possible 'get internet' from the client ...
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How often does Debian update its Stable repository?

Ever since release day (early Feb 2011), I haven't got any updates (apt-get update && apt-get upgrade). I've tried another repository (ftp://ftp.de.debian.org/debian), and it's the same thing. ...
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What is the preferred way to install new versions of software?

I have installed Ubuntu Server 10.10 and now I want to install some software like PostgreSQL, Nginx and PHP. But what is the preferred way to get the latest stable version of the software? E.g I ...
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How to recreate /var/lib/dpkg/status?

I have deleted some files around /var/lib/dpkg/, namely: /var/lib/dpkg/status /var/lib/dpkg/available /var/lib/dpkg/info/* I understand Debian uses these files to keep some information about ...
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dpkg cannot find ldconfig/start-stop-daemon in the PATH variable

I was trying to install bsd-mailx utility the package got installed however I am wondering about the error. This is the error I get: Preconfiguring packages ... dpkg: warning: 'ldconfig' not found ...
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How do I find out where the contents of a package are installed?

I ran into this bug, where Cantor can't find the sage backend if both are installed through the ubuntu package system. I can get around this bug if I know the path to the sage executable, but even ...
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Why does installing python-minimal package also grab the python package on Debian?

From running: apt-cache depends python2.6-minimal | grep Depends and apt-cache depends python2.6 | grep Depends it looks like python2.6 depends on python2.6-minimal and a lot more. However, ...
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Is there a way to see why certain dependency of a package is needed?

I was about to install mysql-client-5.5 package which has debianutils package as a dependency. However, I first checked which binaries are installed with debianutils package. It installs nine ...
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List all software installed from particular component (non-free, contrib)

Is there a way to list all non-free and contrib software installed in Debian via apt? /etc/apt/sources.list is as follows deb http://ftp.us.debian.org/debian/ wheezy main non-free contrib deb-src ...
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debian: what is “/var/log/apt/term.log” good for

My system is Debian Wheezy. I have noticed that when I run apt-get, additionally to /var/log/apt/history.log another log file gets created /var/log/apt/term.log. It seems to me that term.log contains ...
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Can I determine what changed in an upgraded package using apt or dpkg on Debian 6?

I just did an apt-get upgrade on my Debian 6 development server and noticed that a certain package named tinyproxy was upgraded. I have a particular interest in seeing precisely what changed in that ...
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Which ports should I open for apt-get to work?

I installed Webmin, and then set up the firewall like this: INPUT SSH port ALLOWED Webmin port ALLOWED HTTP port (80) ALLOWED DROP EVERYTHING ELSE FORWARDING no rules OUTPUT no rules If I remove ...
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How to find the packages that depend on a certain package in apt?

How can I get, not the dependencies of a package, but the packages that are depending on a certain package? I'm on debian 6.0 Squeeze-LTS (the first-time extension to squeeze for long term support!) ...
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Every package “has no installation candidate”

While attempting to install openssh-server on Ubuntu 14.04 64-bit, I get the following error: Package openssh-server is not available but is referred to by another package. This may mean that the ...
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1answer
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apt-get without installing recommendations for a certain package

I can edit /etc/apt/apt.conf and add the line: apt::install-recommends "false"; But that will always skip recommendations. How can I do this only once for the installation to a certain package ...
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Recently installed applications missing from $PATH

When I install apps using apt-get or NVM or NPM on Ubuntu, I can type the command and it works. Then I log out of the shell and log back in. Now none of the things I installed work when I ask for ...
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Finding yum equivalents of apt repositories?

I have code to setup an Ubuntu server that relies on apt-get. It has lots of packages as documented on our project wiki, for example these: development environment and the ruby dependencies. However, ...
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Get package sources and repository link

Is there any way (dpkg, apt?) to get a package's sources and URL to repository, if available, in Debian ?
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How can I view packages from a specific repository?

In my /etc/apt/sources.list if I add the path: deb http://debian.meebey.net/pkg-mono ./ Can I view packages from this specific repository alone?
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Using the apt package manager refuse an update for a specific package

I am attempting to upgrade a few packages using the apt package manager. However there is a specific package in the list that I don't want to upgrade. In fact I don't want anyone to ever upgrade it. ...
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apt - checking if a similar package has been installed

This question explains how to find out if a given Debian package has been installed, but it does not take into account "synonyms" when installing via apt-get. For instance, if I try apt-get install ...
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uninstalling iceweasel with apt-get autoremove

When I try to uninstall iceweasel it wants to uninstall dependencies like 'gnome' and 'gnome-core', which of course I don't want. I tried to follow several instructions in apt-get - autoremove wants ...
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1answer
3k views

How to add an iso file as APT source

Say I have this line in "/etc/fstab": /iso/apt.iso /mnt/apt iso9660 loop 0 0 And I run these commands as root: mount --all apt-cdrom add --no-mount --cdrom /mnt/apt I expected the disk to be ...
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1answer
56 views

How to change automatically installed package to intentionally intalled?

I'm using Debian Jessie. I'm installing some software Z from source. Installation instructions inform that it depends on Debian package X. I checked in aptitude and I have this package installed, but ...
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519 views

Why did this command delete every package?

I was trying to get a Windows program to run on PlayOnLinux and after it didn't work I went to remove Wine with this command: sudo apt-get remove --purge wine* and without thinking I agreed ...
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How to clone an apt repository to keep all old packages?

This may sound trivial, but I haven't found a solution anywhere yet. Is there a way to backup or clone an apt repository such that I get a clone that (1) contains all current packages and (2) keeps ...
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Automatically update GCC to a later release without upgrading distribution

My understanding is that C++11 support in G++ 4.7.2 wasn't great (it gives me a warning everytime I try to compile my C++ code, presumably there are good reasons for these warnings), so thought I ...
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apt-get: hash sum mismatch

Running "sudo apt-get update" results in: W: Failed to fetch gzip:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_saucy-security_main_binary-i386_Packages Hash Sum mismatch W: ...
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Why do I need to add a GPG-key with apt-key before adding URL to sources.list and download-installing an application with apt-get?

I went on to download an application today. It had it's instructions listed, step by step, number one being: adding a GPG-key with apt-key. It was followed by adding the application to apt/sources and ...