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

learn more… | top users | synonyms (1)

1
vote
1answer
137 views

I can't change the mirror in the software center

In order to change the mirror we're using for updates, the procedure is to open the Software Centre, and go to Edit->Software Sources. There I can see the option "download from" and when I click it, ...
1
vote
2answers
2k views

“E:Type '<!DOCTYPE' is not known on line 1 in source list” how to fix?

I have recently installed PlayOnLinux on my Ubuntu 13.04, but I am getting a system error: E:Type '<!DOCTYPE' is not known on line 1 in source list /etc/apt/sources.list.d /playonlinux.list ...
0
votes
1answer
33 views

what do I do about malformed line 57 [duplicate]

my skype crashed i tried to uninstall/re-install it through the software center but then that crashed.... I was told that line 57 is malformed in source.list. The source list could not be read I am ...
-1
votes
2answers
103 views

The line 56 in the file /etc/apt/ sources.list is not correct (URI parse)

Kubuntu doesn't let me upgrade. The error message says: The line 56 in the file /etc/apt/sources.list is not correct (URI parse)
1
vote
2answers
187 views

How do i see which softwares are installed in ubuntu? [duplicate]

How can i get a list of my installed applications?
-1
votes
1answer
2k views

How can i get rid of the message "Duplicate sources.list entry [duplicate]

Duplicate sources.list entry http://archive.ubuntu.com/ubuntu/ saucy/restricted amd64 Packages (/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_saucy_restricted_binary-amd64_Packages) W: Duplicate ...
2
votes
4answers
433 views

How can I (de)activate a PPA from the command-line with a single command?

Ubuntu offers an easy GUI interface that allows you to edit, (de-)activate and remove PPAs. But going through all the GUI dialogs and menus can sometimes be tedious, especially if you have a lot of ...
1
vote
1answer
825 views

HTTP or FTP in sources.list?

Which protocols are better to use in /etc/apt/sources.list file? HTTP or FTP? For example: deb http://archive.ubuntu.com/ubuntu saucy main universe restricted multiverse or: deb ...
1
vote
0answers
35 views

Does the “security” repository provides anything not found in the “updates” repository?

For the limited number of package I looked at (e.g. apache), I found that the package version in the updates repository is always newer than or equal to the version available in the security ...
3
votes
1answer
337 views

list.save and list.distUpgrade

This is more of a curiosity question as I try to get a better understanding of apt and package management. I'm seeing that in my /etc/apt/ and /etc/apt/sources.list.d/ folders I have very or ...
0
votes
2answers
946 views

How to build the Darling project on Ubuntu?

The Darling project is an open source Darwin/OS X emulation layer for Linux. I downloaded the source code with git and tried to build it with cmake but it failed. The document says I need these ...
0
votes
1answer
104 views

Is steam available in Ubuntu Software Center?

After a fresh installation of Ubuntu 13.10 I noticed that there was no steam in the Ubuntu Software Center! Well, that's mot a problem since steam can be installed through the deb file on their ...
1
vote
1answer
4k views

Ubuntu 13.04 can't open software & updates / software sources

I am using MacBook Air Mid 2012 running Single OS which is Ubuntu (Raring Ringtail). Its been a month I'm using Ubuntu and everything works fine, recently i can't open software & updates, when i ...
0
votes
2answers
348 views

Why does an error appear every time I try to open the Ubuntu Software Center? [duplicate]

There is a glitch on the Ubuntu Software Center and whenever I open it an error appears and it keeps loading and never opens. Why does this happen? I have installed Ubuntu 13.04 on a disk and ...
1
vote
1answer
338 views

The package python3.2 needs to be reinstalled, but I can't find an archive for it

I get this error when I try to update or run software center, but I can't find an archive for it: The package python3.2 needs to be reinstalled
0
votes
1answer
227 views

Failed to load the package list (trying to install flash player) (Lubuntu 13.04)

I'm trying to find a solution for a few days, I hope someone can answer me. I tried several times to install flash player through lubuntu software center, and after I hit "Install Packages" it gives ...
0
votes
1answer
291 views

Error while opening Ubuntu software center

I'm a newbie to Ubuntu and I've got this problem where I can't open the software center. At the upper right part on my screen there is a red dot with a horizontal white line. While clicking on it says ...
1
vote
1answer
906 views

How can I install qtstalker?

I Wanted to install qtstalker, a stock market app on my Ubuntu 13.04. qtsalker is not available in the Ubuntu software center and sudo-apt-get install qtsalker gives the error: Unable to locate ...
0
votes
0answers
117 views

How do I fix duplicate entries in sources.list? [duplicate]

Ok so I have tried everything under the sun but can't get into my sources.list to fix the duplicate and I think that's why my Software Center isn't working as well. This is what I get when I do ...
0
votes
1answer
549 views

Installing NCTUNS in Ubuntu 13.10

I am not able to find the NCTUNS tool in the Ubuntu Software Center. How to install the NCTUNS on the Ubuntu 13.10?
2
votes
1answer
142 views

Dash icon does not work

Below is the contents in the ubuntu-software-center-desktop file. The Dash Home does not show the contents when it is opened up. The Icon is black and does not respond when you place your courser ...
0
votes
0answers
32 views

How do I fix Malformed line in sources list in Ubuntu 13.04? [duplicate]

E: Malformed line 1 in source list /etc/apt/sources.list.d/bitdefender.list (dist parse) E: The list of sources could not be read. E: The package lists or status file could not be parsed or opened. ...
0
votes
0answers
73 views

Ubuntu Software Center won't open in Ubuntu 12.04 [duplicate]

Running software-center in the terminal give this output: 2013-08-23 11:25:07,917 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2013-08-23 11:25:07,932 - softwarecenter.db.database ...
0
votes
0answers
34 views

sources.list, edit root [duplicate]

Today I keep receiving this message with Synaptic: E: Malformed line 220 in source list /etc/apt/sources.list (dist parse) E: The list of sources could not be read. Go to the repository dialog to ...
0
votes
2answers
168 views

13.04 upgrade error

Twice I tried to upgrade my 12.10 to 13.04, but both times I got the same error. How can I fix it? Failed to fetch ...
0
votes
1answer
449 views

How do I fix this error? Error: Opening the cache

How do I fix this error? Error: Opening the Cache (E:Type 'http://deb.opera.com/opera/' is not known in line 1 in source list /etc/apt/sources.list.d/opera.list, E:The package lists or status ...
1
vote
1answer
3k views

Can't install from Ubuntu Software Center in 13.04

I am a new user to Ubuntu, presently using Ubuntu 13.04 32-bit. I can't install any software from the Ubuntu Software Center. I am getting errors such as: failed to download repository information.
1
vote
3answers
12k views

Unable to edit /etc/apt/sources.list file

When I try to edit sources.list file using the command: $:gksu gedit /etc/apt/sources.list It request for administrative password and when I type the password, It says incorrect and try again.What ...
0
votes
1answer
183 views

Software Properties KDE is not opening after installation!

though I install Software Properties KDE its not opening and showing an message, Please run this software with administrative rights. To do so, run this program with kdesudo. Even though I am the ...
0
votes
2answers
389 views

I can't see the Software Source in Dash [closed]

All though I installed Software Source, I can't see it on the Dash.
0
votes
3answers
4k views

I can't find any of my downloaded apps in the dash

I have just installed Ubuntu and have problems with finding any of the apps/programs that I have downloaded form the software center. When I search for them in the dashboard they are not there. I have ...
0
votes
1answer
5k views

unable to install package through terminal (apt-get)

root@ubuntu-pc:~# reaver The program 'reaver' is currently not installed. You can install it by typing: apt-get install reaver root@ubuntu-pc:~# sudo apt-get install reaver Reading package lists... ...
2
votes
1answer
647 views

How do I install Archiva as a package (apt-get)?

Is it possible to install Archiva on Ubuntu using apt-get command? I'd like to install the latest stable version. Is there any Ubuntu repository for Archiva?
0
votes
1answer
699 views

Can I prevent/restrict standard users from installing/uninstalling software?

Can i prevent/restrict standard user from installing/uninstalling software in Ubuntu 12.04 desktop?
0
votes
0answers
25 views

Can't download packages in Ubuntu 10.04 [duplicate]

Somebody help me. I have been going crazy for two days since I formatted my PC and reinstalled the only version of Ubuntu that I had on CD (10.04). I can't install any packages from the Ubuntu ...
1
vote
1answer
868 views

Problems with software installation after kernel update

I am using Ubuntu 13.04 64 bit. I decided to install Linux kernel 3.10 which was released recently so, i downloaded the kernel and header packages from kernel.ubuntu.com since it's not in raring ...
0
votes
1answer
432 views

I cannot enable canonical partner and independent, why?

On Software and Updates under Other Software tab, I want to enable Canonical Partner and Independent, after I clicked the checkbox and input my password, the checkbox stay unchecked no matter how many ...
1
vote
1answer
1k views

Ubuntu 12.04 LTS error when checking for software updates

Since 20th june 2013 I have tried running the software updater in ubuntu 12.04 LTS however it runs but returns this error W:Failed to fetch ...
3
votes
0answers
69 views

None of the software I have bought can be installed in 13.04, how can I get it all back? [duplicate]

I have attempted to reinstall previous purchases via the software center. I am aware that some of the trashier devs (super meat boy) have decided to drop support for Linux, so the software center ...
0
votes
1answer
548 views

Problem upgrading from Ubuntu 12.10 to Ubuntu 13.04 [duplicate]

When I tried to upgrade from Ubuntu 12.10 to Ubuntu 13.04 I got the following error message: E:Unable to parse package file ...
0
votes
1answer
2k views

Why do I get “404 not found” errors updating Ubuntu 11.04 (or other old versions)? [duplicate]

Whenever I am trying to install Compiz Config Settings Manager through Synaptic Package Manager , It shows the following error : I have tried it through the terminal. But it also shows ...
1
vote
1answer
249 views

Add a Personal Package Archive (PPA)

I cann't Add a Personal Package Archive (PPA) to Software Sources when I write ppa: location. and Click Add Source the buttone don't worke what should I do?
0
votes
1answer
6k views

How do I install the dpkg-dev package? Requires Ubuntu ISO

Please assist me in installing dpkg-dev. It requires me to insert "ubuntu 12.04.1 precise pangolin i386". I did download and burn the image onto a disk. Repeated the process..i.e. type sudo apt-get ...
0
votes
1answer
29 views

Software installed in ubuntu

I have a software installed in ubuntu in my PC. Can i make a .deb or .tar.bz2 file of this software from here so that i can install this software in another machine without having internet connection? ...
4
votes
1answer
358 views

How to recompile Vim?

I want to recompile Vim the exact same way Ubuntu has compiled it, but with one difference (ruby support). I have already compiled with Ruby support, but by using my own configure options, Vim ...
1
vote
1answer
537 views

Software sources crashes

Software sources crashes when I run it from terminal I get this error: sudo software-properties-gtk Traceback (most recent call last): File "/usr/bin/software-properties-gtk", ...
0
votes
1answer
573 views

How I can I unsource my environment?

I have source my environment and some environment variables were set, but i need to shift back to my previous environment, how should i do it ? Is there any way to move to the last environment ?
6
votes
4answers
81k views

A “failed to fetch” error occurs when apt-get update is run. How do I fix this?

Contrary to the note above, I haven't found the answer to my problem. I have read almost a dozen apt-get update questions, most from askubuntu.com, with "failed to fetch" errors and tried the ...
0
votes
1answer
431 views

I can't remove a malformed line from my sources.list.d?

I tried to follow a poorly explained tutorial on how to install the Opera browser from the terminal. After this failed, I have not been able to get to the Software Center or the Software Updater. I ...
2
votes
1answer
466 views

Software Center crash, sources.list error 13.04

I'm having a problem with Software Center since I tried to add Spotify repositories to sources.list. It doesn't open at all. I tried reinstalling Software Center, but it sends this error: E:Type ...