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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7 views

problem with source file in sources.list.d directory

When I was trying to update program and system by Ubuntu Software Center. Internet cut off and now I can not download any software to download Ubuntu Center and can not install through Terminal? What ...
13
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3answers
46k views

How do I enable the “multiverse” repository?

I keep seeing places refer to the "multiverse" repository as a place I can get software, how can I enable this repository? Please specify how to do this graphically and via command line.
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1answer
61 views

Failed to install untrusted sources and failed to download update information

I changed my server from fastest available to main server, while trying to fix the issue with software manager (untrusted sources failing to install FYI) and I got an error. Here's an error I get: ...
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0answers
20 views

Advanced Full Screen Debugger (AFD) with NASM

I'm new to Ubuntu/Linux and studying a subject of assembly language which uses NASM and AFD on a DOS machine. I installed NASM successfully, generated a .com and .lst file successfully but need AFD to ...
0
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2answers
778 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 ...
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0answers
26 views

How to make my own new Ubuntu based operating system?

I want to make my own new Ubuntu based operating system. With New custom theme and lot of softwares pre-built ! Can I do it only with UCK (Ubuntu Customization Kit) ? Then how ?
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1answer
2k 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.
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2answers
64 views

How to change the repository location while installing from live cd?

I am installing 14.04 from a live CD. While installing, it downloads updates from the Internet. I see it is currently downloading from http://in.archive.ubuntu.com/ Is there any way I can change ...
-1
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1answer
40 views

About open source and closed source [closed]

I saw Google's Chrome OS which is running on the Chromebooks and Chromeboxes and I heard that Chrome OS is cosed-source on the Chroomeboks and the open-source version is called Chromium OS. So, Chrome ...
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3answers
3k 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
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1answer
26 views

Errors adding software sources

Help! I'm running ubuntu 14.04 LTS With all updates installed. I can't add any sources. When I open software center and go edit>sources>other software. I hit add and enter "deb ...
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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 ...
2
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0answers
11 views

Verbose debugging from apt-get

I've created what I THINK are correct local mirrors of the Ubuntu repositories locally. When I attempt to do an apt-get install on a package that SHOULD be there, it always returns: Reading package ...
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votes
1answer
50 views

“E: The list of sources could not be read.” while trying to update [duplicate]

i am get this error while trying to run update command mostafa@mostafa-Satellite-C660:~$ sudo apt-get update E: Type '<!DOCTYPE' is not known on line 1 in source list ...
0
votes
1answer
90 views

Fresh Server 14.04 install: “Unable to locate package (xyz)” for everything; How do I edit sources.list?

I can't install anything with apt-get on my fresh 14.04 Server installation. I get Unable to locate package [xyz] for everything I try. sudo apt-get update does nothing. This page implies that I need ...
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0answers
25 views

Problems with USB devices

I'm a newbie when it comes to Linux, but I've been using it in quite a while and I'm enjoying so much! But since I edited my /etc/apt/sources.list file I've had a problem with downloading packages, ...
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3answers
637 views

Ubuntu 14.04 - Software Center - Edit->Software Sources disabled

The button in Software Center→Edit→Software sources... is disabled. Is there another way to reach it or simple enable the button? What could be causing it? If I know I can fix it myself ...
0
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1answer
218 views

Why is GNOME Software Center not included in Ubuntu GNOME (14.04/14.10)?

So I installed Ubuntu GNOME 14.04 (which included GNOME 3.10) and noticed that GNOME Software Center isn't included and isn't available through the repositories. Then I tried installing Ubuntu 14.10 ...
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0answers
106 views

Fixing sources.list on arm archirecture

I have Linaro Ubuntu installed on ARM device (Zynq Mini-ITX development board). Here is my # lsb_release -a output: Distributor ID: Ubuntu Description: Ubuntu 12.04.5 LTS Release: ...
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2answers
6k views

Duplicate sources.list entry [duplicate]

Using Ubuntu 14.04 LTS. sudo apt-get update thats all i ran, and it'd start off real smooth, then it'd get to a part where it gets stuck for like a fair ammount of time after which it'd display ...
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5answers
21k views

How to fix “-5 No address associated with hostname error” while updating?

I am getting this error frequently while updating Ubuntu 12.04 LTS. How can I fix it? Log is: Ign http://archive.scrapy.org precise/main Translation-en Fetched 6,620 kB in 1min 21s (81.2 kB/s) W: ...
0
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1answer
76 views

How to fix the following error during an update? [duplicate]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/restricted/binary-i386/Packages 404 Not Found [IP: 91.189.88.149 80] E: Some index files failed to download. They have been ...
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4answers
66k 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 ...
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0answers
44 views

Synaptic Package Manager -E-“cache open”, E - Default-Release not available

In an attempt to re-install Bash I tried to open Synaptic Package Manager but got this message E: The value 'precise-updates' is invalid for APT::Default-Release as such a release is not available in ...
0
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1answer
41 views

Malformed line 1 in source list /etc/apt/sources.list.d/canonical_partner.lis [duplicate]

When I I try to install any program, I get this error: E: Malformed line 1 in source list /etc/apt/sources.list.d/canonical_partner.list (dist parse) E: The list of sources could not be read.
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0answers
61 views

Keryx Installation error [duplicate]

Dependency is not satisfiable: python(<2.7) What is the meaning of this error? And how do I troubleshoot ?
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3answers
8k 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 ...
4
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1answer
135 views

Is it possible to add a location/folder on my hard disk to sources.list?

Is it possible to add a location/folder on my hard disk (ex: /media/Data/Ubuntu) to the sources.list? If possible,how?
1
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1answer
106 views

Trying to PXE Install 14.04 with local mirror, but install keeps reaching out to canonical IPs

I have a local mirror setup with apt-mirror, my /etc/apt/mirror.list file is included at the bottom of this post. Even though I have all of the repo's I can think of defined for some reason my VMs ...
0
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1answer
146 views

Ubuntu 12.04 updater not working

This is the error I keep on getting when I try to update anything. Ign cdrom://Ubuntu 12.10 _Quantal Quetzal_ - Release amd64 (20121017.5) quantal InRelease Ign cdrom://Ubuntu 12.10 _Quantal Quetzal_ ...
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0answers
79 views

Customized sources.list for custom live CD

I recently built myself a custom live CD of Xubuntu 14.04.1. This live CD is used to distribute to my customers to install on their machines with a set of pre-installed applications, some of which are ...
0
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0answers
22 views

Malformed line in apt sources [duplicate]

I am trying to use apt-get install and it is not working. I keep getting this: E: Malformed line 1 in source list /etc/apt/sources.list.d/libdvdcss.list (dist) E: The list of sources could not be ...
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2answers
239 views

How to use a sources list generator

I've been trying to install packages using terminal but I keep getting errors and it turns out my sources.list file is really messed up. So I found this webstite that generates a sources.list file ...
0
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0answers
93 views

How can I correct a 502 Proxy Error for a single source when updating sources on Ubuntu 14.04?

I am behind a proxy on Ubuntu 14.04 Trusty and need to add the source for MakerBot software and install the makerware software. When I add the source and run the command to update package lists, I get ...
1
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0answers
21 views

Possible to replicate sources.list as individual sources.list.d .list files?

I'm using puppet's apt module, & I'd like to clear out sources.list & have the same structure as individual sources.list.d .list files. I've tried several variations on the formatting of the ...
10
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2answers
5k views

What kind of content is in the Canonical Partners repository? Is it as secure & safe as the Main repo?

In Software Sources under the Other Software tab, there is an option of enabling "Canonical Partners" repository: software packaged by Canonical for their partners. Do I understand correctly that ...
2
votes
1answer
6k 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: ...
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3answers
6k views

Upgrade from 13.04 to 14.04

I have Kubuntu 13.04 (unsupported release), and want to upgrade it to 14.04. When I'm trying to run do-release-upgrade I got this error: Traceback (most recent call last): File ...
4
votes
1answer
3k views

ttf-mscorefonts-installer is not available

I'm trying to apt-get install ttf-mscorefonts-installer in Ubuntu 10.04 LTS server, but I get Package ttf-mscorefonts-installer is not available, but is referred to by another package. Do I need ...
1
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1answer
22 views

How to backup and restore sources when upgrading to a newer version?

If I copy/paste the /etc/apt dir or just sources.list for that matter to a newer version, I will still have sources named for the old version (saucy for axample) which is not right. For example: deb ...
1
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0answers
34 views

404 Error for extras.ubuntu [closed]

sudo apt-get install and sudo apt-get update show 404 Error not found. So I checked the file /etc/apt/sources.list and replaced all (xx.)archive.ubuntu with old-releases.ubuntu. Everything works ...
1
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1answer
700 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 ...
2
votes
3answers
627 views

Where are the Programs in Ubuntu [duplicate]

I am new to ubuntu and linux world. Where can I see the list of all programs installed in ubuntu ? Ex: If I want to launch "terminal". I need to click the upper left icon and type "terminal". Where ...
1
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1answer
16 views

Is movie gear avilable for Ubuntu?

Back in windows I have used Movie gear to crate GIF files. I would like to know wheather it is availble in Ubuntu. If not please list out similar softwares.
0
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1answer
43 views

Is it better to use the UK or USA server? [duplicate]

I live in the UK, so it should be better to use the UK ones. But, the USA one is more likely to be well maintained and have the better connection speed. Which should I use - is there a testing tool, ...
2
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2answers
114 views

Select mirror during installation from live mode

Without customising the Ubuntu live image, is it possible to select a mirror during installation? If not, what are the options available? I can think of customising the image, or somehow using ...
7
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2answers
14k views

How do I restore the sources.list file?

I accidentally removed my /etc/apt/sources.list file. Is it hosted by Canonical somewhere so I can re-add it to the system? It's a bit of an emergency, so I hope someone can provide a quick answer.
15
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2answers
26k views

How do I enable the “backports” repository?

How to enable the backports repository so I can get newer versions of software?
19
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3answers
13k views

How do I fix this “E:Type '*' is not known on line * in source list …” update error?

Every once in a while I see users having issues to update due to errors like this: E:Type 'ain' is not known on line 1 in source list /etc/apt/sources.list.d/some-ppa.list' with varying types/line ...
0
votes
1answer
381 views

Ignoring file 'google.list’' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension

when i do "sudo apt-get update" following output is generated at the end:- N: Ignoring file 'google.list’' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension Any ...