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

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Block a package from being uninstalled in APT

In short, I want to be able to set package abc so that: apt-get remove abc should fail. apt-get purge abc should fail. apt-get upgrade abc should work. If the package dependencies change so that ...
7
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1answer
669 views

Debian: How to delay configuration when installing/upgrading?

One of my Debian systems is rarely upgraded. So when it is time to upgrade, there are loads of packages. Right now I basically have to monitor the upgrade, because every 50 packages or so there is a ...
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2answers
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apt-get can't find the package on a old version of my distro

I am working on a Linux Mint 16 computer and since recently, every time I want to install something via apt-get install, the log message says that the packages couldn't be authenticated. I go ahead ...
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6answers
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how to work around APT's “Release file expired” problem on a local mirror

I have a local mirror (created with debmirror), and when I try to do a cache update (apt-get update) after a few days, I get this: E: Release file expired, ignoring ...
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4answers
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Install from a deb file, by dpkg -i or by apt?

I have a deb package for installation. Shall I install by dpkg -i my.deb, or by apt? Will both handle the software dependency problem well? If by apt, how can I install from the deb by apt?
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1answer
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apt-get doesn't stop on Ctrl-c, what to do?

Occasionally I have connection problem with apt-get (typically because I use it behind a proxy and try to install/upgrade flash). I have been trying sending Ctrlc but it would not stop. I thought it ...
6
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1answer
2k views

How can I install more recent versions of software than what Debian provides?

Suppose I want a more recent version of software than is available for my current version of an operating system, what can I do? Cases to consider: There are semiofficial/official sources of ...
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2answers
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How to undo sudo add-apt-repository?

I run sudo add-apt-repository ppa:noobslab/indicators to install my-weather-indicator but it requires GTK3 and I don't want to proceed. So I'd like to undo that command. I'd checked my ...
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3answers
883 views

How do I find installed packages that have no install candidate?

I'd like to retrieve a list of installed packages that have no install candidate (e.g., because I removed an apt source file entry). How would I do that on Debian-based systems?
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1answer
105 views

How did this bogus entry sneak into my apt sources?

A while ago, I decided to try dropbox. Since I could apt-get it, I thought it was free software. However, I quickly discovered that the apt-get command only downloaded a downloader for dropbox ...
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1answer
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How can I view the list of packages that were “suggested” by apt?

When installing a package using apt-get install package a list of "Suggested packages" is displayed. What command can be used to print it again?
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Find out what 'apt-get install' did

This might be a really newbie question but here we go: How can I find out what commands a package ran to install the software with apt-get install <package>? For example, if I install a ...
6
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apt: install packages downloaded previously

On Debian, I can download a package plus its dependent packages with apt-get install my_desired_package --download-only This will not install the packages, but only download them to ...
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3answers
2k views

Get diff changes between original files installed with apt and current files

I installed php5-fpm package using apt; then I made some changes to the PHP configuration files. Now I would get the diffs between the original files versions (the ones of the package installed) and ...
6
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1answer
2k views

How to safely resume an aptitude dist-upgrade after SSH timeout?

I started aptitude dist-upgrade over SSH on my local network. At some point the session timed out but the upgrade was not finished (it was left at one of those accept software agreement screens-- I ...
6
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1answer
4k views

How to I install zabbix-agent over apt-get

Why is it that on my Ubuntu 13.04 system I can easilly install zabbix-agent by doing apt-get install zabbix-agent. When I do it in Debian 7.1, it says that the package zabbix-agent can not be found. ...
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1answer
2k views

apt-get -f install is stuck on “corrupted filesystem tarfile”

I am having issues with apt-get on my Raspberry Pi. This is the output when I try and install a package: pi@raspberrypi ~ $ sudo apt-get -f install cowsay Reading package lists... Done Building ...
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aptitude: Meaning of curly brackets, i.e. package1{b} package2{a} package3{u}

When using aptitude, the list of changed packages sometimes has a single character in curly brackets behind some package names. The man-page has two examples of them but does not explain them (version ...
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Output visual (ASCII) Debian dependency tree to terminal?

I'm not sure if this is more of a SuperUser or UnixLinux question, but I'll try here... Recently, I found this: #710689 - aptitude: use unicode character in the trees - Debian Bug report logs It ...
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1answer
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“ValueError: _system not initialized” when using apt.VersionCompare

I wrote a bash script that has to compare two version strings to decide to download new version or not. The test relies on a Python script that does apt.VersionCompare(), which does version comparison ...
6
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1answer
18k views

How do you fix apt-get update “Hash Sum mismatch”

I have an Ubuntu 12.04 virtual box vm that I instantiate using Vagrant. git clone https://github.com/spuder/puppet-gitlab vagrant up As soon as the vagrant box runs apt-get update, I get the ...
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3answers
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apt-get equivalent of yum localinstall

When using Fedora I usually use yum localinstall as a way to install a rpm obtained outside the distribution repositories. I can't find an equivalent option in the apt-get man page. I'm running Ubuntu ...
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Can I use `apt-get` to upgrade to the latest version of Nagios?

At the time of this writing the latest version of Nagios is 3.3.1. I am running Ubuntu 10.04 and have used apt-get update; apt-get install nagios3 to end up with version 3.2.0. I know there are a lot ...
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1answer
2k views

The difference between deb versus deb-src in sources.list

I don't understand the difference between these two lines in my sources.list, please explain: deb http://mirror.optus.net/debian/ testing main contrib non-free versus deb-src ...
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817 views

Does “apt-get purge” remove config files stored in user home dir?

I used sudo apt-get purge [package_name] and sudo apt-get autoremove --purge to remove an application so that on reinstalling it gets back to default configuration. But it didn't work, all ...
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1answer
3k views

How to reinstall apt on Debian?

I accidently removed apt-get from my Debian system by issuing: dpkg --force-depends --purge apt How can I reinstall it?
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510 views

Conflict? dpkg, apt, apt-get, aptitude, and synaptic

So, I ssh into a (very) remote Ubuntu 10.4 server to do some admin and web dev+design. And I was looking through the various package manager options. There's a lot. The big ones are dpkg, apt, ...
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2answers
771 views

What's up with this 'gnome' package?

I have recently grown tired of the way Rhythmbox starts up every time I plug in my MP3 player. I know I could simply disable this, but I've decided to uninstall Rhythmbox instead. It's such a ...
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1answer
122 views

apt-get - How to complain on failed upgrade?

I'm trying to write a script to upgrade a bunch of remote machines and would like to verify that one package in particular is upgraded. With yum, I could say yum upgrade specific-package, and it ...
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1answer
70 views

How does APT deal with different programs with the same name?

I decided to finally learn vi and as I was doing that I realized that vi wasn't behaving as I expected. I learned from another post that this was because, on Ubuntu, vim-tiny is installed by default. ...
5
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1answer
14k views

How can I completely reinstall mysql?

I had to reboot in the middle of a large data import. I only have one mysql database, which has now been corrupted. How can I completely remove mysql and reinstall it? I've tried apt-get purge ...
5
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1answer
648 views

Download package via apt for another architecture

I am currently in a architecture amd64, so when I try apt-get download vlc, it downloaded the appropriate architecture for my system, but how can I download the i386 version via apt? It's for ...
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2answers
169 views

How to install Suggests dependencies of a package

If I want to install a package and its Suggests dependencies, I run: $ sudo apt-get --install-suggests install <package name> However, if <package name> is already installed, and not ...
5
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3answers
883 views

Yum and recommended/suggested packages

I'd like to install a software package on my Fedora System, but it has a lot of unreasonable dependencies (which I know for sure they are not actually required). I used to work on Debian, where ...
5
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1answer
11k views

Not able to lock /var/lib/dpkg/lock (read only)

I was trying to install ruby on my remote server(this is a vm machine(debian) in a esxi server . ) I got this error: The Command: sudo apt-get install ruby1.8 Error : W: Not using locking for read ...
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3answers
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Reset dselect selection before package installation

I was looking through the list of packages with dselect, but pressed Return twice by mistake, thereby making it confirm and quit the [S]elect option. When I go to the [I]nstall option, it's now ...
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4answers
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Apt-get autocompletion

I am currently running 64-bit Debian Wheezy. I am having some trouble with auto completion for apt-get. I have bash-completion installed. If I am logged in as root in a shell, I can use auto ...
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1answer
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How do I know when I installed package FOO

I was wondering if I installed 'Tor' on my Ubuntu 14.04 or it was shipped as a default package since I hadn't remembered installation by myself. So what's the way to find out if a package is ...
5
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1answer
101 views

How can I see when package has been upgraded?

Is there a way to see the upgrade history with date with some program e.g. apt? I want to know when exactly I upgraded security relevant packages the last time and the time before that... Thanks a ...
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What are the numbers after the version in the output of apt-cache policy?

This is the output of apt-cache policy firefox firefox: Installed: 26.0~linuxmint1+lmde Candidate: 26.0~linuxmint1+lmde Version table: *** 26.0~linuxmint1+lmde 0 500 ...
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1answer
202 views

How to stop `apt-get` complaining about unmet dependencies when I manually install the software from source? [duplicate]

I have been installing some applications onto my Debian system. Now there are some that have dependencies that I do not want installed with the applications at the moment. I have managed this by using ...
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2answers
4k views

How do I fix broken libxml2-dev dependency on Debian using apt?

When I run sudo apt-get upgrade on my Debian Squeeze install, I get the following error: You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: ...
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1answer
9k views

Fix held broken packages on debian?

I want to begin exploring moving myself away from google apps, because it's expensive, and it looks like citadel has all of the groupware functions I need. So I am trying to install citadel-suite ...
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votes
3answers
5k views

Reinstalling all Debian packages

I killed by mistake a dpkg process running in the background and I would like to reinstall all packages to be sure everything is allright. First, I tried to get a list of all packages and reinstall ...
5
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2answers
4k views

Debian: Is it possible/safe to install packages from an older version of the repository?

I'm currently running Debian testing (Wheezy) and am trying to get SCIM working. I want to install the scim-pinyin package, but there is no such package available in the testing repository, although ...
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2answers
5k views

Enabling apt repository priority in LMDE

I want to set up apt repository priority ordering in Linux Mint Debian Edition 2012.04. In /etc/apt/preferences the order should be: LMDE -> Debian testing -> Debian unstable. In other words, I almost ...
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How can I upgrade MySQL in Debian using apt-get?

I'm using the Turnkey Linux virtual machine. The version of Debian in there is apparently on the "Wheezy" upgrade path (if that's what you call it). I'm not completely comfortable with Linux, as you ...
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1answer
4k views

apt-get via ssh-tunnel if only port 22 is allowed

I have a server which has only access to the outer world via port 22 (for the use of ssh from the server to other computers). I want to install some packages via apt-get on this server. Can I achive ...
5
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1answer
127 views

To not autoremove something

I have uninstalled my distro's (Debian Wheezy) package of torchat, and use a newer version I've built myself. Since removing the package apt-get wants me to autoremove something which the software ...
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1answer
1k views

Command & binary exists but cannot be executed

I transfered /etc/* files from one Linux server to another and now I have a strange error. Both are Debian Squeeze. When I run a command, e.g. ssh, I get an error: bash: /usr/bin/ssh: No such file ...