Refering to editing the software sources in Ubuntu. Can be done graphically through System Settings > Software Sources or from the command line using APT.

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software-properties-gtk does not start

I'm using Ubuntu 12.10. Yesterday I noticed that software-properties-gtk does not work anymore. I have no idea why and what to do. When I start via Terminal I get the following output: ...
0
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2answers
68 views

Are the source code of commercial version of open source software encrypted or hidden from being manipuated [closed]

Commercial version of open source softwares are the main source of revenue for canonical, red head team, oracle [for MYSQL], etc. So my question is do all these source codes hidden or encrypted from ...
2
votes
4answers
2k views

Used sources.list of 11.10 in 10.10, how do I resolve a partial upgrade?

Recently I had to install some new packages in my server, but the version of Ubuntu (10.10-maverick) is not supported anymore. So, when I tried with apt-get update, I got lots of 404 not found ...
-1
votes
2answers
2k views

Change software sources from the command line

When I want to change the mirror I am using for updates, I can open the Software Centre, and go to Edit->Software Sources, and from there select another server. This then goes through my ...
4
votes
1answer
1k views

Sound recorder not responding, Ubuntu 12.10

I don't know what is causing this. I've noticed lately after upgrading the computer at church to Ubuntu 12.10, the sound recorder will not record when the record button is pressed, and when I press ...
0
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0answers
37 views

Cannot run command sudo apt-get update and getting error [duplicate]

Possible Duplicate: Can’t open Software Center due to a malformed line Error as follows: avish@avish-Aspire-one:~$ sudo apt-get update E: Malformed line 43 in source list ...
5
votes
1answer
14k views

Unable to locate package pkgconfig

I try to install Ruby on Ubuntu 12. There is one of the commands which gives me an error E: Unable to locate package pkgconfig sudo apt-get install build-essential openssl libreadline6 ...
0
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1answer
90 views

Failed to download repository

W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise-updates/Release Unable to find expected entry 'univers/source/Sources' in Release file (Wrong sources.list entry or malformed file) , ...
1
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1answer
1k views

problems after update with libdrm

I've got problem with updating. Sorry for polish language in log, but it is default language in my system. I'm using ubuntu 12.04 gnome remix. Anybody know how to fix it? Należy uruchomić ...
1
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2answers
2k views

sudo apt-get update error ubuntu 12.04

Hi I'm new in Linux and I need your help :) Every time when i type sudo apt-get update it shows: alphaog@alphaog-HP-Pavilion-DV7:~$ sudo apt-get update E: Type 'ain' is not known on line 3 in source ...
1
vote
1answer
2k views

Building LMMS: “Configuring incomplete, errors occurred!”

I tried to build Linux MultiMedia studio from the source of the SourceForge git:// repository under Ubuntu 12.04 LTS 32b: git clone git://lmms.git.sourceforge.net/gitroot/lmms/lmms cd lmms git ...
0
votes
1answer
2k views

Unable to access software sources

Also when trying to access it from Ubuntu software center the entry that says "Edit software sources" is greyed out. Finally when running cp /usr/share/applications/software-properties-gtk.desktop ...
0
votes
1answer
55 views

Undo repository upgrade

I recently added deb http://de.archive.ubuntu.com/ubuntu quantal main to my sources.list and did an upgrade. This has screwed a few things up and I would like to revert back to my previous ...
0
votes
2answers
326 views

Problem with the “sudo apt-get update” command

I'm a beginner when it comes to the Linux environment. I recently tried to install some extensions in Linux. I've entered some commands like: sudo apt-get install gnome-tweak-tool and then when I ...
0
votes
2answers
995 views

How to install graphics drivers (no additional drivers under software sources)?

I am using ubuntu gnome remix 12.10 with ATI mobility radeon HD 4300 graphics card. Software sources do not show any additional drivers. How do I install the graphics drivers for my system? $ lspci | ...
0
votes
1answer
644 views

unable to add/remove program in Ubuntu 12.04 LTS?

** my problem is as following: unable to add/remove any program using either update-manager or Synaptic Package Manager or terminal update-manager is asking for partial upgrade and while updating ...
0
votes
1answer
44 views

Softwares and lib files

I have been using suse until now. I am trying to learn Ubuntu and I need to install some packages and library files but I could not find some (maybe due to they are named different from suse). For ...
3
votes
2answers
8k views

“Failed to fetch” while updating

I'm trying to update from ubuntu 12.10 lately but I keep getting the "Failed to fetch" error. W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/Release Unable to find ...
0
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1answer
33 views

a basic doubt about building from source

Suppose I installed a Debian package using the Ubuntu Software Center, and then suppose I wish to install the same program by compiling it from source. Then can I simply proceed by installing the same ...
2
votes
2answers
155 views

Difference between programs in Software Centre and Launchpad PPA

On several Ubuntu sites such as OMG Ubuntu there are summaries of new ppa's. These are useful programs, but they don't appear in the Software Center. However, in the center there are programs that ...
3
votes
1answer
2k views

“Software sources” crashes since I upgraded from 12.04 to 12.10 [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? I recently updated my PC from Ubuntu 12.04 to 12.10. Now “Software sources” crashes when I try to open it directly from Unity or ...
8
votes
4answers
55k views

'Some index files failed to download' while updating

When running sudo apt-get update I get these following errors: Err archive.ubuntu.com quantal InRelease Err archive.ubuntu.com quantal-updates InRelease Err archive.ubuntu.com quantal-backports ...
0
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0answers
26 views

sudo apt-get update showing error [duplicate]

Possible Duplicate: E: Malformed line 59 in source list /etc/apt/sources.list (dist parse) E: The list of sources could not be read When I am trying to run this command sudo apt-get update ...
0
votes
1answer
2k views

No puedo actualizar las actualizaciones en ubuntu 12.10? / Cannot update in Ubuntu 12.10 [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? He intentado actualizarlo, llendo al dash, entrar a actualizacion de software y esperar a que me diga que actualizara. Pero me ...
1
vote
1answer
1k views

Update Manager won't open (error related to pythonverbose)

I'm having an issue with update-manager. Last night, my computer restart suddenly during the update process. Now it won't open and it keep appearing on the notifier with a message warning that an ...
5
votes
2answers
807 views

apt sources.list disabled on upgrade to 12.04

After a do-release-upgrade, I'm now running ubuntu 12.04 LTS, as indicated below > lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04 LTS Release: ...
5
votes
1answer
199 views

Why is there a minus sign instead of a check mark in the software sources configuration window?

After an initial installation of Ubuntu, the software sources window has check marks on main, universe, restricted, and multiverse, but a minus sign on source code. Nevertheless, all deb-src ...
3
votes
2answers
768 views

Where is “apt-cache search”?

Wish to search apt repositories with CLI tool. Did that in the past with: apt-cache search <search_term> Don't find apt-cache package: # apt-get install apt-cache Reading package lists... ...
-1
votes
1answer
612 views

12.04 to 12.10 Upgrade - Software channels problem

I tried to update Ubuntu from 12.04 to 12.10, but I encountered a problem. The files downloaded in the first step of the update. It then went on to the second step, but it failed when it reached ...
0
votes
1answer
768 views

Other software checkboxes in software sources are not working after update to 12.10

When I'm trying to enable some sources in "other software" in "software sources" I see an auth prompt, but when I'm insert password, I see no changes of checkboxes states. What can I do to fix this?
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0answers
18 views

Stop Ubuntu from upgrading with specific updates [duplicate]

Possible Duplicate: How to prevent Thunderbird from updating automatically? I have PPA installed on my Ubuntu 12.04 system and it keeps prompting me with an update for a certain ...
1
vote
4answers
2k views

Receiving “Please insert CD error” when trying to install xubuntu desktop in 12.04

I have installed Ubuntu 12.04. I want to install xfce desktop. When I tried to install Xubuntu desktop, I got the following message. sudo apt-get install xubuntu-desktop Media change: please insert ...
10
votes
5answers
41k views

Solving the Ubuntu 12.04 Update Error: (-5 - No address associated with hostname)

Problem Description: Each time i try to download the updates for my operating system (Ubuntu 12.04) i get the following list of error messages: W:Failed to fetch ...
0
votes
2answers
837 views

Why does the Software Centre ask me to install untrusted packages?

I am trying to install Darktable on my Ubuntu 12.04 64bit desktop computer. When I attempt to install it through the Ubuntu Software Centre I get a warning: "Requires installation of untrusted ...
11
votes
6answers
54k views

How do I add a line to my /etc/apt/sources.list?

I am updating my Tor on Ubuntu and it states: Do not use the packages in Ubuntu's universe. You'll need to set up our package repository before you can fetch Tor. It then states that I have to ...
0
votes
0answers
55 views

Error 404 in Ubuntu [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? How is fix this problem? W: Failed to fetch http://archive.canonical.com/dists/[distro]/partner/source/Sources 404 Not Found ...
1
vote
0answers
516 views

Apt Problem. Can't Update (Total noob) [duplicate]

Possible Duplicate: How do I fix a “Problem with MergeList” error when trying to do an update? Error report after “sudo apt-get update” I am new to linux, and ...
1
vote
1answer
743 views

How to update the USB Ubuntu (ISO) with new software [closed]

I have Peppermint (based on Ubuntu) running of USB. Its bascially an ISO image that loads using Grub4Dos. Problem is that I each time I load Ubuntu - and want to use i.e. teamviewer or Firefox...I ...
4
votes
2answers
500 views

Odd characters in archive update

I'm trying out Ubuntu Server 12.04 on a home server and the update is not working. Not sure why. I've done a sudo su and apt-get update. After which I get the following: Err gb.archive.ubuntu.com ...
0
votes
2answers
43 views

What is the release id while adding references to source list?

I am following a guide to install some program in Ubuntu. It says add the following line to your source list and replace lucid with your current Ubuntu release: deb ...
2
votes
2answers
251 views

Issues with Software Sources [duplicate]

Possible Duplicate: How to install software on an old now unsupported Ubuntu version? I just got a problem with software installation and software sources on my Ubuntu. I cant use ...
0
votes
1answer
1k views

Ubuntu 12.04 update and graphics card update

I have recently updated my Dell M101z system to Ubuntu 12.04. But now there is some problem with the Videos. So I guess I need to update the graphics driver. I tried following command: sudo apt-get ...
4
votes
1answer
696 views

How can I install Cinelerra on Kubuntu? [closed]

Hope s.o. can help me .... According to a page I found I should do this: sudo add-apt-repository ppa:cinelerra-ppa/ppa sudo apt-get update sudo apt-get install cinelerra But that led to the ...
11
votes
0answers
19k views

How to fix “Duplicate sources.list entry” warning? [duplicate]

Every time I try to do some update (sudo apt-get update) it says: Reading package lists ... ready W: Duplicate sources.list entry http://archive.canonical.com/ubuntu/ need /partner amd64 Packages ...
0
votes
1answer
358 views

Ubuntu Software Source File Error [duplicate]

Possible Duplicate: How do I fix “malformed line” errors in sources.list? Whenever I try to install any software using terminal or by entering sudo apt-get update, the result is: E: ...
1
vote
1answer
92 views

Error in all app installations [duplicate]

Possible Duplicate: “Malformed line 6” error in my /etc/apt/sources.list E: Malformed line 59 in source list /etc/apt/sources.list (dist parse) E: The list of sources could not be ...
1
vote
0answers
38 views

Ubuntu Software Centre not opening [duplicate]

Possible Duplicate: How do I fix a “Problem with MergeList” error when trying to do an update? While trying to install Ubuntu restricted extras package from the ubuntu ...
1
vote
2answers
98 views

What happens if I disable the PPA of a specific package?

Say I went ahead and disabled the PPA I added to install the latest version of GIMP (2.8) on Precise. Would that lock the installed version until an updated package is available from the USC or would ...
1
vote
1answer
2k views

Sources missing in /etc/apt/sources.list, how do I get them back?

Somehow my Ubuntu install can't find what I believe to be very common packages.... E: Unable to locate package php5-curl E: Unable to locate package php5-gd I know this has something to do with my ...
4
votes
1answer
7k views

Unmet dependencies in Ubuntu 12.04?

The following packages have unmet dependencies: gstreamer0.10-ffmpeg: Depends: libavcodec-extra-53 (>= 4:0.7-1) but 4:0.7.2.1ubuntu2 is to be installed Depends: ...