Adding Mono Apt Repo for Ubuntu
The Tip Show How-to Add the Mono Apt Repository for Ubuntu GNU/Linux.
Mono is a Microsoft sponsored and Open Source implementation of Microsoft’s .NET Framework based on the ECMA standards for C# and the Common Language Runtime.
Finally, this Guide is Valid for All the Ubuntu Based Distros like:
- Linux Mint
- Lubuntu
- Kubuntu
- Xubuntu
- Zorin OS
- Elementary OS
- Linux Lite
- Bodhi Linux
- Kde Neon
- Pop_OS!
- Voyager
- Trisquel
- LXLE
- feren OS
- Peppermint
- Q4OS
- Linux Ultimate Edition
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How-to Quick-Start with Command Line on Ubuntu:
First Update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo. -
Installing Requirements
Simply play:sudo apt install gnupg ca-certificates apt-transport-https
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Adding GPG Key
Run:sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys \ 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
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Enabling the Mono Stable Apt Repository
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20.04+ Ubuntu Setup
Valid also for Mint 20.x, Zorin OS 16, Bodhi 6.x, Lite 5…echo "deb http://download.mono-project.com/repo/ubuntu stable-focal main" | \ sudo tee /etc/apt/sources.list.d/mono-official.list
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18.04 Ubuntu Setup
Valid also for Mint 19.x, Zorin OS 15, Elementary OS 5.x, Bodhi 5.x, Lite 4…echo "deb http://download.mono-project.com/repo/ubuntu stable-bionic main" | \ sudo tee /etc/apt/sources.list.d/mono-official.list
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16.04 Ubuntu Setup
Valid also for Mint 18.x, Zorin OS 12, Elementary OS 0.4, Bodhi 4.x, Lite 3…echo "deb http://download.mono-project.com/repo/ubuntu stable-xenial main" | \ sudo tee /etc/apt/sources.list.d/mono-official.list
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14.04 Ubuntu Setup
echo "deb http://download.mono-project.com/repo/ubuntu stable-trusty main" | \ sudo tee /etc/apt/sources.list.d/mono-official.list
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12.04 Ubuntu Setup
echo "deb http://download.mono-project.com/repo/ubuntu precise main" | \ sudo tee /etc/apt/sources.list.d/mono-official.list
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Refreshing Apt Repositories
sudo apt update