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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install software center

root@localhost:~# apt-get install software-center Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean ...
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sudo apt-get update command not working what i do [duplicate]

I'm on Ubuntu 14.04 and I tried running: sudo apt-get update But I get the below error: E: Malformed line 59 in source list /etc/apt/sources.list (dist parse) E: The list of sources could not be ...
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1answer
721 views

How to fix error: “The package lists or status file could not be parsed or opened.”?

What does this error message mean? E:Type '‫‪ppa:kiwixteam/ppa‬‬' is not known on line 52 in source list /etc/apt/sources.list, E:The list of sources could not be read., E:The package lists or ...
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2answers
9k views

Can someone provide a real, correct and genuine sources.list for Ubuntu 15.04? [duplicate]

I have been using Ubuntu for a while now and I have been having all problems that I needed not to post a thread for to get answers, until I recently upgraded to Ubuntu Vivid. Ubuntu is great but each ...
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1answer
54 views

How do you report a seriously outdated repository mirror?

Using mirrors.arpnetworks.com/Ubuntu, switched to mirrors.us.kernel.org, and got... 59 upgraded, 5 newly installed, 0 to remove and 0 not upgraded. Need to get 152 MB of archives. ...
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0answers
20 views

Emacs installation: E: You must put some 'source' URIs in your sources.list [duplicate]

I've searched and found information on this, but nothing that I've tried works. On Ubuntu 14.04.1 LTS, I ran this command: sudo apt-get build-dep emacs And I got this error: Reading package ...
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2answers
1k views

How to run software which requires the latest Intel modules

I used this utility to upgrade all of my Intel modules on my machine, but soon after learned that it was a really bad idea to upgrade these because of incompatibilities, and especially with Unity. I ...
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372 views

Updating Cache takes forever!

When I try to update a source or delete one, and it tries to update the cache, It take absolutely forever. It is always stuck on "Querying software sources" and it seems it never make progress even in ...
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1answer
540 views

Red Triangle with an exclamation point [duplicate]

I am new to Ubuntu 14.04, having just installed it 2 weeks ago. I am running Ubuntu 14.04 as my only OS. I am a new user and I have to say I love the OS but I am having a difficult time learning it. I ...
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1answer
382 views

Terminal commands are not working Ubuntu 14.10 [duplicate]

How do I fix this major issue: E: Type 'sudo' is not known on line 3 in source list /etc/apt/sources.list.d/libdvdcss.list What do I do to fix this? This is what I get when I open Synaptic Package ...
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1answer
842 views

What is apt-file update?

I was following these instructions and I have installed apt-file along with some other packages using: sudo apt-get install gnupg pbuilder ubuntu-dev-tools bzr-builddeb apt-file And now every time ...
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1answer
14 views

I can't find other pratners tab when I open ubuntu software center?

When I open the Software Centre there is no tab for other software partners. I am trying to install a third-party repository and can't find the page or edit button. I have tried clicking on every tab ...
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1answer
328 views

How to resolve hash sum mismatch — solution provided here does NOT work!

I have struggled for hours on end to fix a serious problem which started after the turn of the year. I cannot make Synaptic reload! I have read through the questions here as well as the answers. I ...
0
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1answer
64 views

What are the differences between Ubuntu download servers

Are all Ubuntu download servers an exact copy of the main server? Can a software be on a server but not be on another server? Can the version of a software be different on different servers? Where is ...
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1answer
232 views

How to get rid of this message about a failed install [closed]

I installed Ubuntu 11 after its end of life. I then tried to install java from the repositories. However, the installation failed. Since then, every time I install some other package apt-get tries to ...
0
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1answer
273 views

Ubuntu armhf 404 packages! Please help! Ubuntu 13.04 [duplicate]

Ok so here is every error that I get during sudo apt-get update or any sudo apt-get operation BEFORE YOU LEAVE PLEASE READ! (thank you ^^) (Remembered to add this after finishing the text: I'm ...
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1answer
52 views

Software Sources: Select Best HTTPS Server

I travel to countries I don't trust--a lot. For example, Vietnam, the virus capital of the world. ESPECIALLY in these areas, but also at home in the USA, I want to remove (or reduce) the possibility ...
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0answers
18 views

Trouble adding a PPA and verifying with signing ring [duplicate]

I'm trying to add the ppa deb http://ppa.launchpad.net/sunab/kdenlive-release/ubuntu trusty main I've tried adding it to /etc/apt/sources.list but during the update process I get this error. W: ...
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1answer
786 views

Malformed line in the source list /etc/apt/sources.list (dist parse), don't let me use update manager? [duplicate]

Here is the error hope i can get some help, i show you the update manager and the line of the error, if you need something else just ask for it. E: Malformed line 59 in source list ...
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1answer
39 views

Software Updater not starting up

So my original problem was that I couldn't get the ubuntu software centre to startup, it would just freeze for a while loading and then would crash. So i tried to remove USC : Successfully When I ...
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0answers
46 views

How do you fix this kind of error type wget? [duplicate]

How do you fix this kind of error? E: Type 'wget' is not known on line 1 in source list /etc/apt/sources.list.d/libdvdcss.list
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2answers
58 views

No editors installed to fix sources list

I 'm in Ubuntu 12.04 but I'm using it with crouton in a Chromebook, the terminal emulator it uses is UXTerm but it seems that it doesn't have any editor installed - gedit, nano and pico are all ...
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1answer
479 views

Fitbit Graphical interface ubuntu

Fitbit snycs etc etc, I am just curious if anyone knows of software to go with it like windows has. (There is no issue with it syncing w the USB adapter and uploading the info 2 their server)
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2answers
86 views

Anyway to install stable Softwares in Ubuntu 14.10?

Is there anyway i can install stable version of softwares on Ubuntu 14.10? Because software that we install on Ubuntu 14.10 all of them are in Pre-release state like if i install vlc from software ...
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2answers
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Can I install Kali tools on Ubuntu?

I want to know if there is any way to install Kali tools like sqlmap, nikto, john, aircrack-ng, ... on Ubuntu 12.04? If yes, then how should I proceed?
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2answers
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How to List all software installed on Ubuntu 14.04 and Uninstall them

I am beginner to Ubuntu. I have installed ubuntu desktop 14.04 and have tried to install PHP, Apache, MYSQL and PHPMYADMIN through terminal. I have tried many commands but have only installed Apache ...
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257 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
631 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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1answer
184 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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1answer
43 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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0answers
1k 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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1answer
1k 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 ...
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1answer
3k 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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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 ...
2
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0answers
284 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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1answer
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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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1answer
357 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
116 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
260 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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1answer
969 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 ...
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1answer
324 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
169 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 ...
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0answers
57 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 ...
16
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1answer
36k 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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1answer
31 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 ...
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3answers
2k 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 ...
0
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1answer
86 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
337 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 ...
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3answers
2k 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 ...
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1answer
1k 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 ...