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6 votes
Accepted

How to install Flatpak?

You're in the right track on installation of Flatpak on Elementary as indicated on their guide. You might not be aware of it, but add-apt-repository is disabled by default on Elementary (to avoid ...
Axel Advento's user avatar
3 votes
Accepted

apt update "does not have a Release file"

So, I was looking in the wrong path. The file I needed to edit was /etc/apt/sources.list. I just replaced loki to xenial and it worked.
lucaswxp's user avatar
  • 161
3 votes

Repository Release' does not have a Release file

To solve the error open terminal and run: sudo add-apt-repository --remove ppa:versable/elementary-update For hash sum mismatch run: sudo rm -rf /var/lib/apt/lists/* Now run: sudo apt-get update
Elementary-OS User's user avatar
3 votes

ppa essential for ElementaryOS

Everything you need is already inside /etc/apt/sources.list.d/ and /etc/apt/sources.list. You don't need any extra PPA. If you want some interesting programs you can check the following: Just ...
Maccer's user avatar
  • 1,984
3 votes
Accepted

ppa/git problems after installing certificates. Revert system to default?

The problem comes after installing some certificates, and did not resolve when I removed them, not even using sudo apt-get install --reinstall ca-certificates or sudo dpkg-reconfigure ca-certificates. ...
Bo rislav's user avatar
  • 1,304
2 votes
Accepted

I've added the Daily PPA and Appstream causes an error when trying to upgrade

As you can see there is a conflict between two packages (appstream-data-pantheon and appstream-data-pantheon-loki-stable) that both want to install a file (/usr/share/app-info/yaml/pantheon_xenial-...
lemonslice's user avatar
  • 4,512
2 votes

How do I remove a PPA?

You can use y-ppa manager To install open terminal and run: sudo add-apt-repository ppa:webupd8team/y-ppa-manager sudo apt-get update sudo apt-get install y-ppa-manager It is GUI tool to remove, ...
Ravan's user avatar
  • 7,887
2 votes

In app centre it is showing failed to fetch updates

The tor-browser package in that ppa has not been updated in a very long time, I do not recommend using it. My suggestion is to remove that ppa, to get AppCenter working again, and then install tor ...
Vlad's user avatar
  • 2,205
2 votes
Accepted

'Doesn't have a release file' message upon Tweaks installation

That means you added a PPA that doesn't work with the current version of elementary. To delete it do sudo add-apt-repository --remove ppa:mpstark/elementary-tweaks-daily
Maccer's user avatar
  • 1,984
2 votes

apt-get is busted, linux noob

i fixed it by removing armhf using dpkg and restoring my apt directory by copying the entire folder from clean install media.
evanzazula's user avatar
2 votes

How do I use PPAs with Elementary OS?

Where possible, it's recommended to not use PPAs at all. Adding a PPA is essentially giving the owner of the PPA root (administrator) level access to your system. It is possible for them to ...
David Hewitt's user avatar
  • 1,419
2 votes
Accepted

How do I use PPAs with Elementary OS?

Elementary, like Debian and some other Debian derivatives, doesn't support PPAs out of the box. In order to use them, you'll have to install software-properties-common. Open your terminal with CTRL + ...
KGIII's user avatar
  • 286
2 votes
Accepted

postgress still showing in apt update even after uninstall

You will need to remove the PostgreSQL source from your apt list. Fortunately, it's not too difficult to do via the Terminal. Here's how you do it: Open Terminal (if it's not already open) Change ...
matigo's user avatar
  • 715
1 vote
Accepted

The repository 'https://ftp.postgresql.org/pub/pgadmin/pgadmin4/apt/hera pgadmin4 Release' does not have a Release file

To list the supported codenames for postgresql repository, use the following command: curl -SsL https://ftp.postgresql.org/pub/pgadmin/pgadmin4/apt/ |awk -F'"' 'FNR >2 {print $2}' sample ...
GAD3R's user avatar
  • 232
1 vote

Remove corrupted repository

to delete a uncompatile or bad repository try this command in the termnial $ sudo nano /etc/apt/sources.list when nano is openned, remove that bad repository (manuelscheider) and press Ctrl + O to ...
José Manuel S.'s user avatar
1 vote

Unable to update / PPA unsigned after fresh install - Hera

Found this link in my searches: Error while doing 'sudo apt update': no Release file I was able to do apt upgrade. App-center still doesn't work Update edit appcenter, elementary and ...
Rajiv's user avatar
  • 11
1 vote

Failed to Fetch Updates on elemetary OS 5.1 Hera

That repository was not updated for a very long time. As the error says, there are no packages available for Ubuntu bionic (elementary OS 5.1 is built on it) in that repository: One valid way to get ...
Vlad's user avatar
  • 2,205
1 vote

PPA issues unable to update app store

It's saying that particular PPA doesn't yet support Juno (Bionic/18.04). Remove the files /etc/apt/sources.list.d/ubuntu-wine* and you should be able to update again.
kbknapp's user avatar
  • 66
1 vote

Error when running `sudo apt-get update`

I have fixed it by running sudo add-apt-repository --remove http://ppa.launchpad.net/versable/elementary-update/ubuntu.
Itaketedue's user avatar
1 vote
Accepted

Problems installing elementary tweaks in Juno

Did you install software-properties-common?
Telmo's user avatar
  • 311
1 vote

Dell XPS 13" (9360) arriving soon, downloaded Loki - any issues / tips?

Im just playing around on my 9360 and elementary right now, i wouldve installed it already but as i cant somehow find my ssd to partition it, i guess i will have to wait for an update or something, or ...
Smig's user avatar
  • 11
1 vote
Accepted

Dell XPS 13" (9360) arriving soon, downloaded Loki - any issues / tips?

I'm working on a XPS 15 (with Skylake cpu) for a month now, Elementary OS works great even with the high DPI screen. When I run into trouble I usually search on "ubuntu" (for example "ubuntu dell xps ...
Peter Uithoven's user avatar
1 vote

'packages.elementary.io/appcenter xenial Release' does not have a Release file

Error 521 on the Host (https://packages.elementary.io)! Just wait, the error will be fixed soon
tSrH's user avatar
  • 84
1 vote

Loki apt update gives a lot of errors

You probably have conflicting PPAs on your setup. Remove all the unnecessary ones and try again. If you really need the PPAs, add them one by one and apt update again then weed out those that cause ...
Axel Advento's user avatar
1 vote

Getting errors while using the command sudo apt-get update

It looks like one of the ppa .list files in the /etc/apt/sources.list.d/ directory may have a typo and instead of an "http" reference it has "ht*p". I'd check the files in that directory for the typo....
Paul Smith's user avatar
1 vote

Problem installing ppa webupd8team/java

Add the PPA by doing the following: sudo apt install software-properties-common sudo add-apt-repository ppa:webupd8team/java sudo apt update This (1) lets you install PPAs on elementary Loki, (2) ...
wolf's user avatar
  • 4,314
1 vote
Accepted

Recentely installed Elementary giving e Not Found W: Failed to fetch ## 404 For every new ppa

How do you add the PPAs? When I use sudo apt-add-repository ppa:mpstark/elementary-tweaks-daily and do a sudo apt-get update I'm able to install elementary-tweaks without any problems. So maybe you'...
ZaphBBrox's user avatar

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