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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remove Duplicate sources.list [duplicate]

How to remove Duplicate sources.list entry? Can anyone help me fix this I am running elementary OS but it should work like Ubuntu Duplicate list
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1answer
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Identifying an application using network

When I ran the following command lsudo netstat -lantp | grep -i stab | awk -F/ '{print $2 $3}' | sort | uniq on the terminal to check which applications are using the network connection, I got the ...
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6answers
90k 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 ...
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2k views

Wrong sources.list entry or malformed file

I'm kinda new to this website so I don't know the policies, but I really need some help with an ongoing issue that has become quite annoying. I moved from Ubuntu 14.04 to Linux Mint 17.2 Rafaela (I ...
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7answers
4k views

The new software center in Ubuntu 16.04 shows no application data found

This is the error I get when I open the software center. I've tried rebooting and running sudo apt-get update but I see no improvement. It worked earlier but I don't know what went wrong since then. ...
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1answer
131 views

What is the default repositories on Ubuntu 16.04 LTS 64-bit?

I followed some commands online to install skype but now my repository list is filled with stuff i dont want. How can i restore back the list in Ubuntu 16.04 LTS 64-bit? OS:Linux Ubuntu OS ...
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4answers
245k views

How do I enable the “Universe” repository?

How do I get to Universe Repository of Ubuntu software as mentioned in Ubuntu 12.04 LTS? I am installing 12.04 Ubuntu. Please help.
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1answer
5k 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 ...
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0answers
50 views

How do I go from what I see in sources list to correct PPA name?

This is something that has been bothering me for a while. I had some problems with conflicts after I added some repositories. Then it turns out I needed to remove them. I wanted to use the command. ...
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3answers
8k 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 ...
1
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1answer
95 views

Compiler & Burner for 8051 Micro-Controller lab?

Till now In Windows, I've used Keil-C Software to Compile 8051 Micro-Controller Programs in C and Flash Magic Burner to burn/dump the software on hardware. But now I'm having Ubuntu OS. Hence I need ...
0
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3answers
341 views

dpkg interrupted error while downloading

I tried to install wine. Since it was taking more than an hour I restarted the system. I found the following error when I tried to open synaptic package manager. E: dpkg was interrupted, you must ...
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0answers
21 views

“Duplicate Sources” Error [duplicate]

When installing software, I receive the following error: W: Duplicate sources.list entry http://dl.bintray.com/sbt/debian/ Could anyone tell me how to solve this problem? I've already tried this: ...
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0answers
12 views

local (private) mirror: is there a way to keep the original `sources.list`?

I have an own private mirror in a closed-off network. I mirror from several sources and therefore have to adapt all the sources.list files on the clients in that network. Every entry in the original ...
0
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2answers
308 views

Comment & Highlight the PDF & DJVU files?

I have just started working with Ubuntu. My work includes a lot of books that to be read. Hence while reading, I need to --comment & highlight the characters in the form of PDF & DJVU file. ...
0
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1answer
30 views

Unable to get the sources for my kernel

I am trying to get the sources for my kernel Here is the source.list file deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe deb http://archive.ubuntu.com/ubuntu/ ...
0
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1answer
18 views

sources list path error - how to reset it?

Ubuntu Server 15.10 I think this might have occurred during the owncloud config process. After login theres a message stating: find: `/etc/apt//sources.list': No such file or directory I would ...
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0answers
9 views

What are the steps to get *only* the sources of a specific package?

After many searches and struggling I finally found what I was looking for: https://sources.debian.net/src/libgnomekbd/3.6.0-1/ But the problem is that I need all the files in an archive. If you ...
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0answers
995 views

Ubuntu 14.04 apt-get fails on Google Chrome [duplicate]

I just installed Ubuntu 14.04 on a new hard drive. When I run sudo apt-get update, I get the following error: W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release Unable to ...
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0answers
19 views

'E: Malformed line 52 in source list/etc/apt/sources.list (dist parse) [duplicate]

I checked all the threads provided. tried to comment line 52...or commented it. Uninstall software cener. But nothing is working. Atlast i lost software updater too... Line52:deb ...
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0answers
7 views

CollabNet Subversion Edge 4.0.10

SVN takes a long time to list the contents of the Working copy of each the repository - upto 5 minutes or longer each and often is running at 85%+ of the CPU. Once SVN has listed the contents and ...
0
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1answer
39 views

how to install from source make command not working

Trying to install vte-ng(https://github.com/thestinger/vte-ng) from source did try thr usuall methods like using make. There is nothing releated to installing in the readme file and could not find ...
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0answers
26 views

how to keep backup of all softwares installed from ubuntu store?

i installed some heavy softwares around 2-3 GB of total in case ubuntu gets corrupted (recently it got due to some lightgm,gdm problem it got due to Gnome mayb i tried almost everything but ultimately ...
4
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1answer
104 views

What is the format of the Ubuntu sources.list file?

What is the format of the /etc/apt/sources.list file for Ubuntu? As an example of the kid of information I am looking for, here is an explanation for Debian sources.list. However, the various ...
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0answers
44 views

How to install libevent 2.1 in Ubuntu wily

A program failed with undefined symbol: evutil_secure_rng_set_urandom_device_file which is a function in libevent 2.1. The current version in wily seems to be 2.0.5 (as of apt-cache search ...
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2answers
922 views

difference between sources.list and sources.list.distUpgrade

On ubuntu, in the /etc/apt/, there are two files: sources.list and sources.list.distUpgrade. But I only know they are used to update system. However, what are the the difference between them? by the ...
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2answers
30 views
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0answers
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Selecting/Filtering data for analysis in Gephi

I have a question regarding filtering and statistics in Gephi. Specifically, I would like to run statistical analyses such as average degree only for a part of the data (e.g. all data where ...
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1answer
22k views

There are no repos [closed]

I have PC Engines Apu . I wanted to install Linux to Apu over PXE. I m trying to install this on ubuntu 14.04 LTS. I am Using Ubuntu 14.04 LTS #yum install tftp-server syslinux httpd dhcpd There ...
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0answers
49 views

Dupilcate sources.list entry

Duplicate sources.list entry http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu/ trusty/main i386 Packages ...
0
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1answer
63 views

Unable to load software sources, software & updates in ubuntu 14.04

Having trouble getting any of the above to run. I've tried various upgrade and reinstall suggestions from other forums but with no luck. Software updater claims everything is up to date, but I can't ...
33
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2answers
79k views

How do I change mirrors in Ubuntu Server from regional to main?

I have a Lucid Server (10.04) set up and I would like to change the mirror from US (or any other country) to the Main Ubuntu Mirror. For example my two first entries in sources.list are: deb ...
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5answers
218k views

Apt-Get Update: failure to fetch; can't connect to any sources

I realize there are dozens of "apt-get update: failure to fetch" questions (I read through all I could find), but my present circumstance is unique to 12.04 and it affects all sources; not just ...
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1answer
4k views

Sudo apt-get update problem 12.04

Please Guys help me to fix this issues with update my Ubuntu 12.04 desktop: Get:38 http://us.archive.ubuntu.com precise/universe Translation-en [3,341 kB] Fetched 24.5 MB in 7min 9s (57.1 kB/s) ...
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1answer
56 views

Why isn't boot-repair in the official Ubuntu repositories?

Why is this the case? Should I add a PPA to install it/get updates? I thought it was licensed under the GPL.
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1answer
86 views

Unable to update ubuntu 14.04 LTS by using 'sudo apt-get update'

When I'm trying to update ubuntu 14.04 LTS, I got this error message: E: Malformed line 1 in source list /etc/apt/sources.list.d/virtualbox.list (dist) E: The list of sources could not be read. ...
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0answers
31 views

Error while using “sudo apt-get update” [duplicate]

I use Ubuntu 14.04, there was a problem with my sources.list file so I removed the file using this command: sudo rm -fr /etc/apt/sources.list Now when I try to update the software using: sudo ...
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0answers
20 views

Huawei modem and Cell C

I use a Huawei Modem and Cell C is my service provider. They tell me that they do not have the software for Ubuntu. Can someone help me?
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0answers
34 views

Updates suddenly very slow

I'm trying to update system and the process is suddenly extremely slow, both in Update Manager and via terminal command sudo apt-get update. I have already switched sources to "best server" via ...
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0answers
30 views

How to properly manage PPAs just from the command-line

What are the recommendations for managing other repositories and PPAs without the help of Software and Updates GUI. How to know if a repository/PPA already, - exist - enabled or - disabled ? How to ...
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0answers
19 views

How to enable source package download for a section of private ubuntu repository

We have created a internal ubuntu repository. It has a few custom sections which has packages that were custom built. Currently, no source packages are provided for download for the repository users. ...
0
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1answer
386 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 ...
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1answer
168 views

Apt-get update and sources.list [duplicate]

First of all, I'm complete linux noob. Please keep explanations simple ) I'm using 14.10 (Utopic unicorn, I believe) on Virtualbox. I've run into cascade of problems with JDK installation (inability ...
6
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2answers
79 views

Is there any limit to the number of PPA's I can add to the system? Why?

I came across a post which suggests: Do Not instruct people to add PPAs unless it is necessary And one of the reason it has mentioned: There is a finite number of PPAs that a user can add. ...
137
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25answers
224k views

How to fix Duplicate sources.list entry?

I keep getting this warning whenever I try to run sudo apt-get update. W: Duplicate sources.list entry http://archive.ubuntu.com/ubuntu/ precise-updates/main i386 Packages ...
0
votes
1answer
77 views

no wi-fi connections visible [duplicate]

laptop: MSI CR61 Dual Core 4GB 500GB HD8210G wi-fi card: Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC system: ubuntu-14.04.3-desktop-amd64 experience with ubuntu: beginner problem: wi-fi ...
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0answers
58 views

Is there any “Everything Search” like searching software in Ubuntu 14.04?

I read the Post, but after installing "Desktop Search" I found that it is not working well, e.g. it can't find the files and folders which don't lie on the main drive. And also I've noticed that in ...
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0answers
14 views

Trouble Installing Gdebi [duplicate]

I am trying to install GDebi Package Installer so I can install apps without launching the storefront, but I always get error in pic related. And yes, I have tried sudo apt-get update in the console. ...
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2answers
77 views

VirtualBox error when updating

Here is the error when I try and update: W: Failed to fetch http://download.virtualbox.org/virtualbox/debian/dists/vivid/InRelease Unable to find expected entry 'contrib/source/Sources' in Release ...
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2answers
2k 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 ...