27
votes
Accepted
How do I remove a PPA?
There are multiple ways to remove a PPA.
Option 1 :
Open the Applications menu ( super + space ) and search for Software and Updates
In the Software and Updates app, select the Other Software tab ...
- 1,903
16
votes
Can I safely install any PPA for Ubuntu on elementary?
PPAs are inherently unsafe. By adding a PPA, you are giving a 3rd party the ability to distribute/replace any package (including important security-related system packages), and consequently the ...
- 9,734
12
votes
Accepted
Can I "convert" a Ubuntu installation to an elementary installation?
You could install the elementary desktop and all the standard applications on top of your existing Unity desktop with these commands:
sudo add-apt-repository ppa:elementary-os/stable
sudo add-apt-...
- 732
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 ...
- 892
6
votes
Accepted
How install ADB and Fastboot on elementary os?
ADB and Fastboot are available in the webupd8 PPA (including backports for Ubuntu 12.04, 11.10 and 11.04 as well as for older versions of elementary OS). You can install these tools using their PPA:
...
- 1,876
5
votes
Accepted
Can I safely install any PPA for Ubuntu on elementary?
PPA (Personal Package Archive) are used to include a specific software to elementary OS. Note that sometimes Ubuntu ppas can break things, but this is rare.
The "safeness" of a PPA depends mostly on ...
- 1,059
5
votes
How install ADB and Fastboot on elementary os?
sudo apt-get install android-tools-adb android-tools-fastboot
This command will install ADB and Fastboot for you. elementary OS Freya is built on top of Ubuntu 14.04 so it has the very same package ...
- 300
4
votes
Accepted
"could not find a distribution template for Ubuntu/n/a" error in elementary OS
The possible fix:
sudo apt-get install gksu # If not installed
sudo apt-get install libcanberra-gtk-module:i386 # If you get Failed to load module "canberra-gtk-module" error
Now gksudo nano /etc/...
- 7,867
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.
...
- 1,294
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 ...
- 1,974
3
votes
Accepted
How to remove installed packages by daily PPA
You can install a small app called ppa-purge. It will uninstall/downgrade all the apps & libraries installed.
To install ppa-purge, open a terminal and:
sudo apt-get install ppa-purge
To more ...
- 2,278
3
votes
What benefits does a PPA offer that a .deb or installing from the standard repositories doesn't?
The fact that there is no distinguishable difference between installing software through trusted repositories, such as the main repository, and then installing software through a PPA (GUI and CLI)
...
- 7,867
3
votes
Error: "Signatures couldn't be verified because the public key is not available"
You can use Y-PPA manager:
To solve this install 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-...
- 7,867
3
votes
Accepted
Error: "Signatures couldn't be verified because the public key is not available"
Open terminal and run:
The proper way to add missing keys (here AE0A77A7BFF792D0)
gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv AE0A77A7BFF792D0
which retrieves the key from ubuntu key ...
- 7,867
3
votes
How can I identify a PPA is safe or not?
The only way to be absolutely certain is by reading the code and checking if it is not malicious.
If you can't read code or don't have the time to do so (almost no one does :p) you can verify how ...
- 1,038
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.
- 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
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, ...
- 7,867
2
votes
How to fix gpg: keyblock resource `/etc/apt/trusted.gpg.d/<key>.gpg': resource limit
One may try launchpad-getkeys.
Delete all the contents in /etc/apt/trusted.gpg.d/.
Add $ sudo add-apt-repository ppa:nilarimogard/webupd8 repository
sudo apt-get update your local database
Install $ ...
- 2,116
2
votes
Adding support for the “hevc” format to VLC without using ppa
You can upgrade to VLC 2.2.x or higher to get HEVC/H.265 support.To upgrade to latest version please refer
how-do-i-install-the-latest-version-of-vlc-media-player
(here you need to install ...
- 7,867
2
votes
Accepted
elementary OS PPA's
Since the currently supported version of elementary OS (0.3 Freya) is based upon the current LTS version of Ubuntu (14.04)*, anything that works with Trusty should work just fine in elementary.
So, ...
- 3,236
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-...
- 4,502
2
votes
Accepted
Recent change in elementary OS repository structure?
I have it on good authority from within elementary that no repository should ever contain luna, freya, or loki. If your sources.list ever contained that, they were incorrect, and should be changed to ...
- 4,929
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.
- 41
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
- 1,974
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 ...
- 2,170
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 + ...
- 286
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 ...
- 1,419
Only top scored, non community-wiki answers of a minimum length are eligible