Advanced Packaging Tool, the package manager for Debian-based distributions. It is also the most used tool for installing packages in Ubuntu. Questions about using any of the apt tools should use this tag.

learn more… | top users | synonyms (1)

0
votes
1answer
22 views

MySQL messed up apt-get?

I tried to install MySQL for my localhost and I managed to break my dependencies, and I can NOT install anything I have tried: Purging MySQL commons, client, server, ect. Removing MySQL commons, ...
0
votes
1answer
9 views

The following packages have unmet dependencies!

I am writing this because I am very confused about installing postgresql 9.3 on mine Ubuntu 14.04. First I need it for mine Python/Django development, and I ran in to the problem, when i tried to ...
0
votes
0answers
9 views

I tried sudo apt-get install, but then don't see the application — kindle paperwhite help?

my ultimate goal is to manage my kindle paperwhite with my chromebook, an acer c720p i don't think it's possible to mount a kindle paperwhite on just the chromebook. so i used crouton to install ...
23
votes
6answers
25k views

Not enough free disk space when upgrading

I'm getting an error in software updater when I try and do my daily updates. it says: The upgrade needs a total of 25.3 M free space on disk /boot. Please free at least an additional 25.3 M of ...
2
votes
5answers
18k views

Why is the “apt” command not found?

sudo: apt :command not found What does this error mean? The apt command is not working, and I've lost the Software Center.
0
votes
1answer
684 views

Problems with linux-headers and apt-get -f install

It has been a long time since I've asked for help, but I'm in dire need now. Some time ago, I set up a friend's computer with 10.04. He's still running it but somewhere along the way, he started ...
1
vote
1answer
29 views

The package information displayed by Ubuntu Software-Center is 17 days back and counting

While re-opening my Ubuntu 12.04 machine after a 2 weeks vacations, and successfully using the Update Manager to update my applications I see that The package information was last updated 17 days ...
1
vote
2answers
32 views

Difference between apt-get remove -y and apt-get purge -y?

apt-get remove <name of program> apt-get purge <name of program> and apt-get purge -y <name of program> Research indicates the running either "remove" or "purge" performs the ...
0
votes
2answers
29 views

How are Ubuntu packages structured?

When I download a package in Ubuntu, what files does it install on my system and where? I'm just curious about the package structure in general (I searched and it doesn't look like anyone's asked ...
4
votes
1answer
7k views

Proxy authentication with terminal Ubuntu 14.04

I would like to access the internet to update files etc. from the terminal on a secured proxy network. I've already tried the following: Adding to /etc/apt/apt.conf, /etc/apt/apt.conf.d/01proxy, ...
-4
votes
0answers
19 views

I'm Debian Wheezy user and I want to add wine ppa but there's some error [on hold]

I want to install wine 1.7 so first I add ppa using sudo add-apt-repository ppa:ubuntu-wine/ppa and sudo apt-get update but I can only meet ...
3
votes
2answers
4k views

Apt-get take long time to update\upgrade

On my work network any apt-get (or aptitude) commands take a very long time, it's look's like admins blocked some port for it (for unknown reason). For example sudo apt-get update take like 2 days ...
1
vote
0answers
28 views

Unable to reinstall MySQL

What I did before this error: I was trying to install mysql for registration in OpenMRS database and it was succesfully, but i forgot my password. And removed mysql packages, i was getting some errors ...
0
votes
1answer
59 views

How do I repair dpkg and apt-get?

Every time I do: sudo apt-get update && sudo apt-get upgrade I get all these with in the end the error reports: Ign http://nl.archive.ubuntu.com trusty InRelease Ign ...
0
votes
0answers
17 views

How to solve W: GPG error: BADSIG

i tried to install steamcmd, wich needs ia32-libs. So cuz this wasn't found, i did the following: cd /etc/apt/sources.list.d echo "deb http://old-releases.ubuntu.com/ubuntu/ raring main restricted ...
-1
votes
0answers
15 views

I Have This Error And I Really Don't Know How To Fix Xubuntu 12.04

Hi I just encounter this problem when opening my update manager It is Impossible to install or remove any software. Please use package manager "Synaptic" or run "sudo apt-get -f " in a terminal ...
3
votes
0answers
19 views

Dependencies issues linux-image-3.13.0-43-generic

Was setting up Postfix but didn't get too far, because Ubuntu returned an dependencies error. Tried to fix this but I cant find the cause to the problem. dpkg: dependency problems prevent ...
0
votes
1answer
25 views

“ERROR MESSAGE: Requires installation of untrusted packages” [duplicate]

I'm running Ubuntu 13.04 in VirtualBox 4.3.20. I keep getting the error message shown in the title when I try to download anything in the Software Center. I tried changing servers in "Software and ...
0
votes
2answers
66 views

Can't add cloud-archive:tools to repository

Trying to upgrade to MAAS 1.7, from 1.5, by updating apt-get repository; however, I am getting the following error: $ sudo add-apt-repository cloud-archive:tools Ubuntu Cloud Archive for cloud-tools ...
1
vote
1answer
3k views

How to solve “Wrong sources.list entry or malformed file”?

I'm a new user of Ubuntu 13.10 so far so I don't have too much technical expertise. I recently tried to resolve a Skype installation issue and added some ppa involving binary-1386. Every time when I ...
7
votes
1answer
518 views

“The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192”

$ sudo apt-get update W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com maverick ...
1
vote
0answers
13 views

Upgrade a diverted package, dpkg error

I have installed ack (replacement for grep). In debian based systems, since the package name ack already existed (something completely different), the package is called "ack-grep". The install ...
0
votes
0answers
38 views

Messed up while installing octave in Ubuntu 14.04. Having trouble doing apt-get upgrade & apt-get -f install now

Output of apt-get upgrade: Reading package lists... Building dependency tree... Reading state information... 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or ...
1
vote
1answer
53 views

Chrubuntu 14.04 WINE install unmet dependencies

Okay, I understand that there have been quite a few solutions to this problem. None of them have worked for me. To explain my conundrum I shall post the output of "sudo aptitude install wine1.7". ...
2
votes
2answers
212 views

List all versions of a package

Is there a equivalent of this command; yum list kernel-headers --showduplicates on Ubuntu with apt-get, apt-cache etc. The above command lists various versions of the kernel-headers rpm available on ...
0
votes
0answers
24 views

postgresql 9.3 broken after multiple reinstallations

I would like to remove postgresql 9.3 from my Kubuntu 14.04 system, so that I may do a clean reinstall. I think I installed the version that ships with Kubuntu, but I'm not sure because I installed, ...
0
votes
2answers
32 views

Silent installation for apt-get

For work I have to prepare a lot of PCs. I have to shove bunch of sudo apt-get install commands into the terminal - that's quite tedious. I could probably put all of them into sh script (maybe), but ...
3
votes
4answers
7k views

Item cannot be installed or removed until the package catalogue is repaired

After installing Microsoft Windows Compatibility Layer (meta-package) i receive an error Item cannot be installed or removed until the package catalogue is repaired. Do you want to repair it ...
1
vote
0answers
28 views

cant install cuda toolkit

I followed the instructions per this page. Now, I get this error: Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable ...
-1
votes
1answer
27 views

How to remove unresolved packages (youtube-to-mp3 app)

I am aware that it's a common problem but i am quite new with linux systems and I would like to know how to exactly fix my problem. The following packages have unmet dependencies: youtube-to-mp3: ...
1
vote
0answers
50 views

Why has 14.04 LTS no static libraries in some packages?

These are the udev development packages for the last three Ubuntu LTS releases. File list of package libudev-dev in lucid File list of package libudev-dev in precise File list of package libudev-dev ...
0
votes
0answers
22 views

g++ and gcc do not work in ubuntu 14.04

After last sudo atp-get upgrade my gcc and g++ don't work and I'm trying to install g++ in my ubuntu 14.04 and I have this error: g++: gcc: What is the problem? sudo apt-get install -f
4
votes
1answer
8k views

GPG ERROR NO_PUBKEY : WARNING: The following packages cannot be authenticated! [closed]

I have just stared to receive some strange errors regarding GPG keys. Namely I have just added ppa:ubuntu-toolchain-r/test and wanted to update and after that I got this: W: GPG error: ...
2
votes
1answer
4k views

cannot install anything via apt-get. problem with apt-get update [duplicate]

I am unable to install anything with apt-get. I think this problem is due to gpg error of some kind. I have done almost everything on the net as per my belief. this is what happens when I run apt-get ...
10
votes
1answer
551 views

Authentication problem with my PPA

I created a package and uploaded it to my PPA. After it got built, I went to install it, but was faced with this message: ******@******-laptop:~$ sudo apt-get install stackapplet Reading package ...
49
votes
4answers
93k views

Will apt-get dist-upgrade upgrade my system to newer version?

I am using Ubuntu 12.04 right now. If I use command sudo apt-get dist-upgrade will that upgrade my ubuntu to 12.10? Does that mean I am not using the LTS version after that? I don't want to use Ubuntu ...
32
votes
3answers
66k views

What is the Difference Between `apt-get purge` and `apt-get remove`? [duplicate]

Possible Duplicate: What is the correct way to completely remove an application? Is there any difference between sudo apt-get purge <package-name> and sudo apt-get remove ...
0
votes
1answer
28 views

Unable to locate krb5-admin-server krb5-kdc

I am trying to install Kerberos5 on my ubuntu-14.10-server-64bit, then I type the command: sudo apt-get install krb5-admin-server krb5-kdc I receive E: Unable to locate package krb5-admin-server ...
0
votes
1answer
5k views

E: Could not open file /var/lib/dpkg/status - open (2: No such file or directory)

When I use sudo apt-get update I get following error. E: Could not open file /var/lib/dpkg/status - open (2: No such file or directory) E: The package lists or status file could not be parsed or ...
1
vote
3answers
4k views

Got NODATA issue: 'NODATA' (does the network require authentication?)

Recently, I have ubuntu 14.04 desktop installed on my laptop, I can use my mobile broadband to access Internet with Firefox but when I want to install any package from terminal or make 'apt-get ...
5
votes
4answers
2k views

apt-get does not find suggested package (perf tool)

I am using performance counters (https://perf.wiki.kernel.org/index.php/Main_Page) on Ubuntu 13.10 x86_64. If I type perf I get: perf not found for kernel 3.11.0-031100 You may need to install ...
-3
votes
0answers
32 views

Why this error, some index files failed to download [on hold]

I have this error: E: Some index files failed to download. They have been ignored, or old ones used instead
1
vote
0answers
31 views

Ubuntu 12.04: Installing MonoDevelop “broken packages”/“unmet dependencies” error

I am very new to Linux, so please forgive me if the answer to my question is obvious. Since I am running an ARM device and can't install wine, I am trying to install Mono/Develop. The problem is, ...
0
votes
1answer
31 views

/var/run/reboot-required not set after unattended kernel update

I've set up unattended-upgrade on an Ubuntu 14.04.1 server. It has installed the kernel .41 over .40 yesterday at 4:10. Automatic reboot is configured for 3:00, so it should have rebooted last night. ...
6
votes
1answer
603 views

What is the advantage of using sudo apt-get autoremove over a cleaner app?

I'm not overly sure what sudo apt-get autoremove does, but have read that you should use this to remove any unnecessary packages. One of the processes I saw was to use sudo apt-get autoremove and ...
2
votes
3answers
10k views

“Unmet Dependencies” problem when trying apt-get install

Anytime I try to install python packages using the command: sudo apt-get install python-package I get the following output: Reading package lists... Done Building dependency tree Reading ...
0
votes
1answer
12 views

Lazy right management for package installation

You can install a package (here package), by running sudo apt-get install package Some installation scripts written in bash perform such actions and require the user to enter the password every ...
1
vote
1answer
17 views

My repos became corrupted: Unable to parse package file [duplicate]

Suddenly ubuntu 14.04 started to print this: Reading package lists... Error! E: Unable to parse package file ...
3
votes
2answers
2k views

Apt-get broken after termination in mid-install

Long story short, I tried installing something via apt-get install and accidentally terminated the process through terminal. I now can't use apt-get install, Ubuntu Software Center, etc. I tried ...
1
vote
1answer
15 views

How do I resolve apt GPG error NO_PUBKEY?

I do not recall why I have download.opensuse.org, but I am OK just removing whatever is causing this error: W: GPG error: http://download.opensuse.org Release: The following signatures couldn't be ...