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

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Invalid signatures and packages authentication issue

I'm using LMDE 201303 and i have two issues which i need to resolve as soon as possible. I need to install certain libraries: libopus0 libopus0 The apt-get install yells the following message: ...
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What is the equivalent to yum-versionlock for ubuntu?

I need to install r-base 3.0.2 because a needed library isn't compatible with 3.0.3 yet (the latest). I can install the older version of R like so: sudo apt-get install r-base=3.0.2-1precise0 ...
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Debian partial Mirror - “debpartial-mirror” specific mirroring

i am using a Debian 7.3 with debpartial-mirror in order to create and maintain an offline mirror. Since i need only the basic packages (Packages needed for Installation via PXEboot and maybe the most ...
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What exactly does the --names-only option of apt-cache do?

According to the manual, it search regex... search performs a full text search on all available package lists for the POSIX regex pattern given, see regex(7). It searches the ...
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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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Unmet dependencies after using a backports repository

I have added a backport repository to apt's sources.list to get an application: deb http://ftp.uk.debian.org/debian/ wheezy-backports main Long story short: I did not manage to install the ...
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Trouble Installing APT on Centos 6 64 bit

Can someone help me get apt-get installed? I followed these instructions to try and install APT on Centos 6 64 bit: wget ...
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apt repository not showing in apt-cache policy, why?

I have a private mini-dinstall based repository. sources.list.d has an entry for it, like https://user:pass@my.host/repos/ tools/ I have installed apt-transport-https and I can happily install ...
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How to examine an apt repository?

I am trying to set up riak on Debian wheezy. I've followed their instructions to add the basho apt repositories... $> curl http://apt.basho.com/gpg/basho.apt.key | sudo apt-key add - $> sudo ...
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apt-get update could not resolve addresses [closed]

When I run apt-get update (on Ubuntu 12.04) I keep getting these errors: Err http://security.ubuntu.com precise-security Release.gpg Could not resolve 'false' Err https://get.docker.io docker/main ...
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netselect - how to get it installed on Mint?

I have been using Linux already for a couple of years, and got used with it. Most of distro I used are: Centos, Ubuntu, Fedora, etc. Recently I decided to put in one of my machines Mint and I must ...
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Unable to install any programs

I'm trying to install programs but no matter what program I try installing I get the following error. For example I downloaded skype 'skype-debian_4.2.0.11-1_i386.deb' and ran the command: $ cd ...
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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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216 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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unable to remount filesystem back to read-only after package upgrade

On my Debian system, I have my / on separate partition and mounted read-only. Only /home/, /var/ and /tmp/ are writable. I have also created a Pre-Invoke and Post-Invoke apt hook, so that apt can ...
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“404 Not Found” when updating the package list using apt-get

Trying to update my Apt-based Sytems (Ubuntu 8.04.2 LTS (hardy)), I am getting this error any recommendations? # apt-get update Err http://packages.cloudkick.com intrepid Release.gpg Could not ...
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Error when installing Oracle VirtualBox on Ubuntu 12.04

I got the following error and couldn't find any solution on Google: apt-get -f install VirtualBox-4.3 dpkg: error processing /var/cache/apt/archives/virtualbo ...
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Libc-bin errors when trying to install php [closed]

I am trying to update and install php into my Ubuntu server 12. 04 using the command below: apt-get upgrade php apt-get install php5-curl php5-gd php5-mysql php5-pgsql However I receive this error ...
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apt-file vs apt-cache

I've known about apt-cache for quite some time, but only yesterday stumbled on apt-file. My question is, given this kind of output from the two... ttsiod@avalon ~ $ apt-cache search setxkb ...
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sudo: apt-get: command not found. On Debian, SSH

Recently I executed this command: sudo apt-get remove debian-keyring debian-archive-keyring To prevent this such error message: WARNING: The following packages cannot be authenticated! openerp ...
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What is the real difference between “apt-get” and “aptitude”? (How about “wajig”?)

I know that both apt-get and aptitude are command line package management interfaces on Debian derived Linux, with different options, but I'm still somewhat confused. Under the hood, aren't they ...
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How to fix boot failure after update

I did a apt-get update on Debian. After reboot the system lost its mount point and failed to boot. How could be accomplished to fix the boot failure?
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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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Flag a package as being configured on Debian even if it's not

For various reasons, I have a package on my Debian system which cannot configure itself properly. I know why and I don't want to correct the problem right now. However, I want to avoid apt trying to ...
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Is there a way to monitor the Shareable Objects (.so) loaded on launch of a specific application?

I've been through dependency issues, but, finally, have my application running. The problem is I need to force install of some old libraries with dpkg to achieve this, which, in turn, breaks my ...
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Error Installing “ia32-libs” to run ADB and Fastboot Linux Mint 16 “Petra”

I have been trying to get adb, fastboot, avd and others to work with the latest version of Linux Mint (16 "Petra") I originally got this error when trying to run ADB: ➜ platform-tools ./adb ./adb: ...
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Searching for packages using apt-get

I'd like to search for repository packages using package name or package description. For example Search for Zend Search for Ze*d
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Debian squeeze (stable) broken packages after installing something from wheezy (testing)

root@server:/home/ante# apt-get install build-essential Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may ...
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No installation candidate for compiz

I tried to install 3d effect on my Debian Wheezy using command $ apt-get install compiz compizconfig-settings-manager compiz-fusion-plugins-main compiz-gnome compiz-gtk But it gives the following ...
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How does “$” work in “apt-cache search something$”

I understand that $ apt-cache search package_name will search for matches in names and descriptions. But how does this work? $ apt-cache search package_name$ For example, $ apt-cache search ...
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3answers
107 views

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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What is the equivalent of apt-key in aptitude?

I'm trying to avoid apt-* commands and trying to use aptitude for all my Debian systems. In my documentations, there is a command written as sudo apt-key add key.asc. How do I convert apt-key add ...
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How to upgrade TurnKey Linux 12.1 to 13.0

I have a Turnkey Linux 12.1 installation that I would like to upgrade to Turnkey Linux 13.0. The upgrade should transition from Squeeze 6.0.8 to Wheezy 7.x. I want to upgrade the Wheezy to utilize a ...
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279 views

What does /etc/cron.daily/apt do?

Could someone explain what the apt script is doing in cron.daily please? I can't find any documentation on it. NOTE: I'm trying to investigate a server-server communications issue which frequently ...
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How does AptConf work in Debian Wheezy?

As far as I understand, the /etc/apt/apt.conf file of Squeeze has been broken into separate files within the /etc/apt/apt.conf.d/ directory in Wheezy. The debian wiki has not been updated yet and it ...
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How to regenerate /etc/apt/trustdb.gpg on Debian?

Suppose one deleted (or damaged) the following file. /etc/apt/trustdb.gpg How to regenerate it?
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Unable to apt-get after editing firewall settings

I am currently testing out the Tomcat on apache from turnkey Linux and I am unable to run any apt-get commands. The problem started when I edited the firewall settings from the webmin. How can I get ...
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How to install php5-memcached on Debian 7 with PHP 5.5?

My attempts to install the PHP 5 Memcached module on my Debian 7 VirtualBox VM failed: root@testvm:~# apt-get install php5-memcached Reading package lists... Done Building dependency tree ...
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Unable to import packages from debian iso to apt-cacher-ng

I installed a 32 bit Debian Wheezy on a PC (One PC in a lab of 24 computers). I made it a dhcp PXE server with netboot images of Debian 7 32 bits. It worked perfectly and all the 20 computers booted ...
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Wireshark or MC installation wants to remove gnome and more

I want to install wireshark or mc (Midnight Commander) with apt-get or synaptic, but I get a message that "this installation will remove a lot of actually installed packages". There are for example ...
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Failed to fetch medibuntu Something wicked happened resolving (-5 - No address associated with hostname)

I'm using linux mint, and while executing apt-get install <some-package> i encounter some errors. The errors from install are: E: Encountered a section with no Package: header E: Problem with ...
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error when apt-get install nfs-kernel-server

I'm now using the command sudo apt-get install nfs-kernel-server to make my Ubuntu 12.04.2 LTS server support NFS. But it reports this error: Need to get 559 kB of archives. After this operation, ...
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Installing packages from LMDE on debian wheezy

I downloaded thunderbird from LMDE repo and tried to install it on my debian wheezy machine, using apt-get install I get a ton of this garbage output; Note, selecting 'iceape-l10n-cs' for regex '.' ...
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Debian 7 apt is upgrading my custom backported package with the “official” identical version!

and happy new year to you all.. Recently I've built nginx deb package v1.4.4 from debian backport source that of course I've added to the apt sources.list and things went great. I have run apt-get ...
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Can removed Debian packages have leftover files?

I noticed a weird thing in my /etc/init.d files and tried to look a bit what was going on. Here's my problem: # apt-file search /etc/init.d/minissdpd minissdpd: /etc/init.d/minissdpd # ...
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Debian: keep custom changes in initscript

I had to modify the initscript for Postfix /etc/init.d/postfix to customize it for my special needs. Now I want to ensure, that in case of the postfix package being updated in the future (I am running ...
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How to search for available software in repositories though CLI?

I want to be able to search all available software like one would using "Synaptic Package manager" or "Ubuntu Software Center" through Command Line.` I want a better way than pressing Tab after ...
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How can I know if a virtual package is “installed” on a Debian system?

Some packages, have a Provides: header. For example, the package postfix on Debian Wheezy has Provides: mail-transport-agent. The package mail-transport-agent which doesn't exist physically is ...
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Is there a map of package names across the different package management systems? [duplicate]

I have amassed a small collection of *nix boxes (Fedora, Ubuntu, CentOS and Puppy) and there are a couple of projects I'm considering that I need to install additional libraries. Specifically, this ...
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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 ...