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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1answer
64 views

How to enable 3rd party software [closed]

After I upgraded Ubuntu, I can't use my 3rd-party apps like Steam and Skype and so on. I tried to look up how I can turn it on again, but the last information I could find was for Ubuntu 12.10 and I'...
-1
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0answers
11 views

How to store all my machine's configurations and installed package list to cloud?

I am working on the machine which is unstable , so i want to save my machine's configuration like git integration , installed packages list, apache configurations ..everything to online so whenever I ...
0
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0answers
17 views

How can I fix my main apt sources.list file? [duplicate]

I am getting errors about duplication and maybe missing sources ( the latter doesn't make sense ). I do put some sources into a sub-directory of /etc/apt/sources.list.d/ Anyway, my sources file is ...
1
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1answer
56 views

I can't do “sudo apt-get update” (malformed entry 54 in sources.list) [duplicate]

I see there are some similar questions but there's no solution there for my case. At least none that I could understand. When I type sudo apt-get update, I get a response: E: Malformed entry 54 in ...
0
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0answers
47 views

Is there a Windows Cortana voice equivalent in Linux? [duplicate]

I really like Windows Cortana voice or at least the idea of Cortana voice. I'm running ubuntu 16.04. Is there a voice assistant for ubuntu?
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2answers
36 views

What does “N.B. software” refer to in a /etc/apt/sources.list?

In my trusty sources.list I see these comments: ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ##...
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1answer
88 views

Ubuntu Software 16.04 not opening

Ubuntu Software is not opening "On click" icon blinks and then goes inactive. Does not open any window. How can I reinstall Ubuntu Software. Did a synaptic update and encountered the following ...
1
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2answers
53 views

What are the dangers of using an unsupported Ubuntu version? [closed]

Non-LTS versions of Ubuntu only receive security updates for up to 9 months after their release (for Ubuntu 15.10, until 07/2016) and are not recommended for use after the expiration of the support. ...
4
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3answers
188 views

how does adding a ppa with a curl command work?

This link discusses different ways to install nodejs and npm. One of the methods was installing it via ppa. curl -sL https://deb.nodesource.com/setup | sudo bash - He used the above command to add ...
3
votes
1answer
61 views

Unable to update with 'apt-get': errors

Can't run sudo apt-get update , I get errors like: E: Type '--2016-05-25' is not known on line 1 in source list /etc/apt/sources.list.d/playonlinux.list E: The list of sources could not be read.
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0answers
44 views

Is it better to install unity3d via ubuntu make or from the official website?

Unity3D can be installed from a .deb file from here. There's also ubuntu-make which can install Unity3D. Which would be the better choice in terms of stability and updates?
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1answer
35 views

GPG error: http://archive.cronical.com trusty InRelease: Clearsigned file isn valid, got 'NoDATA'

I'm getting this error when I try to update ubuntu 14.04: GPG error: http://archive.cronical.com trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)...
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1answer
37 views

Error Installed packages have unmet dependencies , error with the sources.list file

I am trying to update my computer, but I am getting the following error: 'Unknown Error:'<class 'SystemError'>'(E: opening etc/apt/sources.list-ifstream::(13:permission denied))' Please ...
0
votes
2answers
36 views

Script to enable “source” downloads in a deterministic manner

I wrote a couple of scripts to help users pull their current kernel source package, apply some patches of mine, and build it as a .deb package with make-kpkg. One of the few steps that requires manual ...
0
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0answers
12 views

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
0
votes
1answer
26 views

Identifying an application using network

When I ran the following command sudo 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 ...
1
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1answer
952 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 Version:16....
9
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8answers
20k 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. I'...
0
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0answers
54 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. ...
0
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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: ...
0
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0answers
23 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
votes
1answer
31 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/ trusty-...
0
votes
1answer
29 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 ...
0
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0answers
10 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 ...
4
votes
0answers
996 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 ...
0
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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 http://archive.ubuntu....
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0answers
8 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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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
votes
1answer
181 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 ...
0
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0answers
94 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 ...
0
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2answers
30 views

I had donated to UBUNTU but how do I get the latest UBUNTU software? [duplicate]

How do I get the copy of UBUNTU after donating to UBUNTU?
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0answers
7 views

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 gender=...
0
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0answers
50 views

Dupilcate sources.list entry

Duplicate sources.list entry http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu/ trusty/main i386 Packages (/var/lib/...
0
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1answer
78 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 ...
1
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1answer
57 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.
0
votes
1answer
122 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. ...
0
votes
0answers
32 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 apt-...
0
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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
40 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 ...
2
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0answers
31 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 ...
0
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0answers
20 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. ...
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votes
1answer
278 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 ...
0
votes
1answer
84 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 ...
0
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0answers
78 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 ...
0
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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. ...
6
votes
2answers
84 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. ...
0
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2answers
110 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 ...
1
vote
1answer
88 views

How to fix gpg not available error?

I am trying to kickstart an Ubtuntu installtion using an existing one. I rsynced the home dir and am now in the process of duplicating the installed packages. Since I have some extra ppa in my setup, ...
2
votes
0answers
52 views

How to put a comment in a .list file?

How to put a comment in a .list file? I'm accessing my sources.list Repositories to check if there are required amount of Repositories or not. There a can see a line which starts with # and i got a ...
1
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1answer
105 views

Unable to fetch file(openfoam240) from sourceforge

I tried to install openfoam240 using the instruction given by Official Website, and I followed the instruction step by step. but I experienced an error that was showing the deb package could not be ...