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Questions tagged [software-sources]

Questions about managing software sources/repositories in Ubuntu. This can be done graphically through System Settings > Software Sources or from the command line through APT's CLI tools or editing /etc/apt/sources.list and related files.

1
vote
1answer
48 views

apt-get update returns 404 errors for Debian repository on Ubuntu 14.04

Before posting I read through several questions with a similar subject. Still, since I couldn't find any that specifically mention the repository I'm having trouble with, I didn't feel confident ...
0
votes
0answers
101 views

403 Forbidden and “The repository 'http://security.ubuntu.com/ubuntu bionic-security InRelease' is no longer signed” errors on Ubuntu 18.04

I have installed Ubuntu but I am unable to update and upgrade the system due to an error about a repository not being accessible or not being secure: E: Failed to fetch http://security.ubuntu.com/...
1
vote
2answers
103 views

How can I set sources.list to have the latest stable version? [duplicate]

Is it possible to set the sources.list file to automatically have the latest stable version of the operating system, like in Debian when you set "stable"?
3
votes
1answer
62 views

Why ubuntu doesn't use https as default for apt update? [duplicate]

If we do an apt update or apt-get update it uses http for fetching updates. We can change the source to secure https by editing the url of sources.list /etc/apt/sources.list but most cases this doesn'...
15
votes
5answers
5k views

signature verification error for wine - index files failed to download - changing mirror doesn't help

When I sudo apt-get update I get the error shown below. W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: ...
2
votes
1answer
66 views

Distorted line 2 in the sources list /etc/apt/sources.list.d/official-package-repositories.list [duplicate]

When I tried to install Apache in Ubuntu 18.04 using the command sudo apt install apache2, I got: E: Distorted line 2 in the sources list /etc/apt/sources.list.d /official-package-repositories.list ...
0
votes
0answers
234 views

“Skipping acquire… component misspelt in sources.list?” when trying to sudo apt update [duplicate]

27 packages can be upgraded. Run 'apt list --upgradable' to see them. W: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://gb.archive.ubuntu.com/ubuntu bionic ...
0
votes
0answers
26 views

Accidentally deleted lines in sources.list [duplicate]

I updated from Ubuntu 17.10 (which is EOL) to 18.10 and had to outcomment some lines of sources.list. But I also deleted some outcommented wine lines at the end. A dumb idea, because since then, I ...
0
votes
1answer
370 views

Can't install amdgpu-pro 18.40 on Ubuntu Server 18.04.01

I posted this question on the AMD community forums, but decided to also post it here as it seemed relevant to Ubuntu. I seem to be having issues installing the latest driver on Ubuntu Server. I've ...
0
votes
0answers
18 views

Could I safely remove the build subdirectory after having compiled a program from sources?

Description: When I compile a software from sources, I usually do it in the /opt folder (don't ask my why, I don't know) by running these commands; $ git clone < git url of the software > $ ...
0
votes
0answers
28 views

Problem uninstalling MongoDB [duplicate]

I am trying to uninstall MongoDB and I have this message: E: Malformed entry 1 in list file /etc/apt/sources.list.d/mongodb-org-3.4.list (parse URI) Could you please... Explain to me what is going ...
0
votes
0answers
22 views

Why can't I find xrdp in Ubuntu Software? [duplicate]

I can find it via apt, but I can't find it in Ubuntu Software.
0
votes
1answer
61 views

Don't understand error message [duplicate]

malformed line 1 in source list /etc/apt/sources.list.d/home:stevenpusser.listn(type) E:The list of sources could not be read. Now I can't issue any sudo commands. This message is greek to me. I can'...
0
votes
1answer
539 views

Error: “Failed to fetch http://security.ubuntu.com/ubuntu/dists/bionic-security/main/binary-armhf/Packages 404 Not Found [IP: 91.189.91.26 80]”

Here is my sudo apt update: Hit:1 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu bionic InRelease Hit:2 http://repo.steampowered.com/steam precise InRelease ...
3
votes
0answers
52 views

Debian Repo being used on Ubuntu and cannot be removed [duplicate]

My Issue: GPG error: http://cdn-fastly.deb.debian.org/debian stretch-backports InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
3
votes
1answer
50 views

Cannot add PPA key in 18.04: NameError: name 'KUrl' is not defined

I am trying to add a ppa key trough Software Sources - Authentication - Import key file. I have solved access to Software Sources interface as described here: Software Sources GUI in Kubuntu 18.04. ...
0
votes
1answer
23 views

Locate installation file I downloaded at home

The security of the network at my workplace doesn't allow downloads for many installation files. I have a work laptop and a desktop, both of which run Ubuntu. I needed to install a couple software ...
0
votes
0answers
240 views

Can't update from local, insecure repository

I'm trying to update a fresh 18.04 install from a local, insecure (no SSL inside corp network) repository hosted in artifactory. Usually I'd do: sudo apt-get --allow-unauthenticated update but this ...
-1
votes
1answer
83 views

Update interrupted because of a resource 404

Err:1 http://fr.archive.ubuntu.com/ubuntu xenial-updates/main i386 linux-headers-4.4.0-135 all 4.4.0-135.161 Failed to connect [IP : 194.158.119.186 80] My ...
1
vote
0answers
557 views

“Failed to download repository information” after updating Ubuntu [duplicate]

I used the Software Updater and at the end it said Failed to download repository information Check your Internet connection I saw an article said use sudo apt-get update I tried and it said ...
1
vote
1answer
251 views

How do I fix missing sources when doing apt-get update? [closed]

I have 10 repositories in my sources.list, but only 4 are returning results. Is this normal? I'm also unable to perform apt-get install discover (returns error). My sources.list: # deb cdrom:[...
0
votes
0answers
19 views

sources.list error while run “sudo apt uodate” [duplicate]

run this command :sudo apt update,this error will display E:Malformed entry 52 in list file /etc/apt/sources.list(componeet) E:the list sources could not to be read
0
votes
0answers
77 views

gstreamer to send audio and video to same port?

I am trying to send audio and video to same port through RTP using gstreamer, I have used these commands to send and receive receive gst-launch-1.0 udpsrc port=9001 ! "application/x-rtp, payload=96" ...
0
votes
0answers
12 views

Is there a log file equivalent to manifest.txt [duplicate]

I am trying to revert everything installed while compiling dependencies. I looked inside /var/log/dpkg but couldn't find the location of the installed libraries. Which log can I look into to remove/...
0
votes
2answers
36 views

How Debian developers update their packages list? [closed]

As a beginner Linux user, I was wondering how Debian developers update their entire packages list, because it has tons of packages. Do they get a pre-compiled package from the original developer and ...
0
votes
0answers
65 views

Unable to start Ubuntu after installing Gedit dependencies

While I was trying to build Gedit on Ubuntu 16.04, I followed the prerequisite dependencies and installed them religiously. I noticed that I lost my terminal color, and the preinstalled gedit theme ...
1
vote
3answers
5k views

sources.list broken — missing universe, multiverse etc.. in 18.04.1 server? [duplicate]

So I just fresh installed 18.04.1 server from this ISO: ubuntu-18.04.1-live-server-amd64.iso This is how my /etc/apt/sources.list looks: svy@emerg-reg-srv:~$ cat /etc/apt/sources.list deb http://...
0
votes
0answers
14 views

Should sources.list for ubuntu 16.04 contain old-releases.ubuntu.com? [duplicate]

I am currently trying to run a simple sudo apt update on my machine. I get a few errors of the following form: Err:28 http://old-releases.ubuntu.com/ubuntu xenial Release 404 Not Found [IP: 91....
2
votes
1answer
3k views

Apt package update is failing for Ubuntu 18.04 LTS

sudo apt update is failing ubuntu 18.04. E: Release file for http://in.archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease is not valid yet (invalid for another 11h 10min 58s). Updates for this ...
9
votes
2answers
620 views

Is editing sources.list a good idea?

This doubt is hitting me since 2-3 days, so I decided to test it myself. What I did is I installed Ubuntu 16.04.4 in VMWare and edited /etc/apt/sources.list and replaced xenial with bionic using: ...
4
votes
1answer
230 views

How is the sources.list file generated on installation?

I've recently tried to create a custom Ubuntu installer iso from the Ubuntu 16.04 64 bit server installer, with the aim of editing the /etc/apt/sources.list file. I unpacked the iso, expanded the ...
0
votes
0answers
12 views

“Failed to load package list” errors when trying to add update sources. sudo apt-get update no longer works either [duplicate]

This happened after trying to install MinGW64 (I'm trying to get DXVK up and running with Lutris) lukerb52@D-3B1:~$ sudo apt-get update [sudo] password for lukerb52: E: Malformed entry 54 in list ...
2
votes
1answer
69 views

Install Python2.7 and 3 arm headers in a amd64 architecture machine

I've been struggling around because I want to cross-compile an application which needs the Python to compile. Just in case you are curious the case is that when it goes to the pyconfig.h it tries to ...
0
votes
1answer
40 views

How to install an old version of Open Office?

I am trying to reinstall Antidote (a spell checker good with French grammar). It has to be integrated with (for example) Open Office. I have the install CD but it can only integrate with Open Office ...
1
vote
1answer
1k views

How to re-create the repositories in /etc/apt folder in Ubuntu 18.04

I accidentally deleted all the files in the folder /etc/apt which contains sources.list. Now I am not able to install any software via terminal; I get this error every time: Package has no ...
3
votes
0answers
501 views

Picking 'linux-signed' as source package instead of 'linux-image-4.15.0-23-generic'

I added deb-src http://security.ubuntu.com/ubuntu bionic-security main into my sources.list, did apt update Here's what I'm getting: vm@vm-Standard-PC-i440FX-PIIX-1996:~$ apt-get source linux-...
0
votes
0answers
189 views

gnome software center shows not installed apps as installed

I've tried to install The Powder Toy through the gnome-software center. It shows as if it was installed. Proof: yes, that red button that says "Eliminar" confirms my issue. I don't know if it's a ...
0
votes
1answer
134 views

Do I need to apply the diff that came with my ubuntu kernel source?

I did apt-get source linux-... I received 3 files: linux_4.15.0-23.25.diff.gz linux_4.15.0.orig.tar.gz linux_4.15.0-23.25.dsc Do I need to apply the diff? Also, can I assume everything is ...
0
votes
1answer
46 views

When using a country repository pool on sources.list, will update use only up-to-date mirrors?

On software updates, we can choose country pools or specific servers, when checking servers on https://launchpad.net/ubuntu/+archivemirrors we can see that some are up-to-date, while others are ...
0
votes
0answers
247 views

sources.list: vs-bionic vs stable-bionic

When looking at the mono installation instructions for Ubuntu I see they use vs-bionic main instead of stable-bionic main that I've seen elsewhere. Doing a search for "vs-bionic" is not revealing ...
2
votes
1answer
75 views

How to know default software version for all ubuntu software for a specific ubuntu version?

Wireshark version in ubuntu 14.04 LTS ppa is 1.12.1, but latest wireshark version is 2.6.0. Default php version is 5 but latest php version is 7. sudo apt-get install command is easy to install a ...
0
votes
1answer
31 views

Resource list errors cannot be fixed , makes me unable to install anything [duplicate]

I tried methods like deleting or updating the source list that I found on the web but these didn't fix it.
5
votes
1answer
23k views

what is the default content of /etc/apt/sources.list in Ubuntu 18.04 LTS (Bionic Beaver) [duplicate]

Where can I find the default content of /etc/apt/sources.list in Ubuntu 18.04 LTS (Bionic Beaver) cat /etc/apt/sources.list shows # deb cdrom:[Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (...
0
votes
0answers
42 views

I can't install or update anything! (Malformed entry) [duplicate]

I'm new to ubuntu and have recently installed Ubuntu 18.04 LTS on my DELL Inspiron 3420 laptop. Whenever I try to install any software or update the system using bash terminal, I get the following ...
7
votes
2answers
1k views

Software Sources GUI in Kubuntu 18.04

I like the old-good Software Sources interface (some sources are seen only there in fact), but it looks absent in Kubuntu 18.04 (cannot find it in the launcher anyway). I remember that in Ubuntu 18 ...
0
votes
1answer
767 views

What is “deb deb-src stable/xenial main” in /etc/apt/sources.list [duplicate]

I was going through Repository files and in file /etc/apt/sources.list, saw these lines : deb http://ppa.launchpad.net/elementary-os/stable/ubuntu xenial main deb-src http://ppa.launchpad.net/...
0
votes
3answers
1k views

“Failed to fetch … Hash Sum mismatch” error when I try to upgrade Ubuntu 16.04 to 18.04

How can I upgrade Ubuntu 16.04 to 18.04? Failed to fetch http://bd.archive.ubuntu.com/ubuntu/pool/main/l/llvm-toolchain-6.0/libllvm6.0_6.0-1ubuntu2_amd64.deb Hash Sum mismatch Failed to fetch ...
0
votes
1answer
3k views

Use Old PPA if New PPA is Not Available for New Ubuntu Version

1. What is best practice when a PPA has not been updated for a new release of Ubuntu? 2. Is it possible to use the PPA from the previous Ubuntu version? If so, how? Every time a new version of ...
0
votes
0answers
173 views

which is the best DAW for music composers in Ubuntu?

I would like to know which software is recommended for recording music using MIDI keyboard and which supports good MIDI plugings. For example sofwares similar to Cubase or logic prox. Any experience?
0
votes
0answers
574 views

Skipping acquire of configured file 'main/binary-i386/Packages' as repository doesn't support architecture 'i386' [duplicate]

When I run sudo apt get update I get this message: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'https://packages.microsoft.com/repos/vscode stable InRelease' doesn'...