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

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Where can I check what was updated on the last update?

Once in a while, when updating my system after reboot I got a black screen. The problem seems to bee ATI drivers, but it's weird because even TTYs do not work. For fix it I reboot on recovery mode, ...
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398 views

apt-get shows important packages as “no longer required”

I recently installed Kali Linux in my system. It came with a preinstalled Iceweasel. However, instead of Iceweasel I wanted to install firefox so I followed this guide and installed firefox ...
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381 views

How to select packages start with “mate-” but not end with “-dev”?

I want to install all MATE packages, $ sudo apt-get install '^mate' However, it selects too many packages, and some packages are conflicted with some installed ones. Now, I want to exclude them. ...
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Where Is MySQL installed on My Machine?

What is going on, everybody? Recently I have installed MySQL server on my Debian machine using Advanced Packaging Tool, and I am curious where it is installed and how I can find all the source files ...
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why is install-recommends default true? [duplicate]

In debian the default configuration for installing recommendations in apt is set to true. if you edit /etc/apt/apt.conf and add the line apt::install-recommends "false"; recommendations are ...
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apt installing more packages than specified as dependencies

I was trying to install texmaker from the repository. For installing the texlive I followed the steps described here. For this the control file I used is this. It has the file texlive-binaries in it. ...
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1k views

Make apt-get update and upgrade automate and unattended

I have about 7 Debian servers I manage, and I would like to set them to automatically update themselves. So, I created a script as such: #!/bin/sh apt-get update apt-get upgrade and placed it on ...
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1answer
105 views

Can't find ubuntu-desktop package on ubuntu desktop iso

Trying to add a desktop environment to Ubuntu Server 13.10. The machine is offline and needs to stay that way for a while. I burned the Ubuntu Destop ISO (ubuntu-13.10-desktop-amd64.iso, nabbed here) ...
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Compare versions of the same package in different repositories (i.e. stable vs backports) using apt-cache show

I'm trying to find out the version of a particular package available in the backports repo to compare it with the version available in the stable repo. But when I give apt-cache show <package> ...
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173 views

understanding the output of “apt-cache policy”

I ran apt-cache policy sudo before and after installing sudo: before install: # apt-cache policy sudo sudo: Installed: (none) Candidate: 1.8.5p2-1+nmu1 Version table: 1.8.5p2-1+nmu1 0 ...
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2k 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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E: Unable to locate package tlp

I an trying to install tlp as explained in the website by addin ppa as follows in Linux Mint 15 sudo add-apt-repository ppa:linrunner/tlp sudo apt-get update and then sudo apt-get update ...
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83 views

How to download Debian package's source code?

I want to read source code of some package in Debian, how can i do that?
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77 views

How does this command make a user a sudoer?

According to this DevStack guide, the following commands will give sudo privileges to the stack user: apt-get install sudo -y || yum install -y sudo echo "stack ALL=(ALL) NOPASSWD: ALL" >> ...
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218 views

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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2answers
85 views

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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439 views

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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100 views

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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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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1answer
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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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29 views

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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1answer
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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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561 views

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
110 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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2answers
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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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1answer
299 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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385 views

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 ...