How to Install .NET 7 on Ubuntu Linux

This article describes steps to install the newly released Microsoft .NET 7 on Ubuntu Linux.

Microsoft announced the release of .NET 7 with enhanced Linux and native ARM64 support. In addition, the release brings your apps increased performance and new features for C# 11/F# 7, .NET MAUI, ASP.NET Core/Blazor, Web APIs, WinForms, WPF, and more.

This is a Standard Term Support (STS) release with 18 months and features a new Base Class Library (BCL), which allows developers to use one SDK, one Runtime, and one set of base libraries to build many types of apps (Cloud, Web, Desktop, Mobile, Gaming, IoT, and AI).

Starting with Ubuntu Linux 22.04, .NET 6 packages are included in Ubuntu’s default repositories. So, users can run the apt-get command to install .NET 6 packages.

.NET 7 packages are not yet included in Ubuntu’s repositories. However, it is conceivable that it will be included very soon.

How to install .NET 7 on Ubuntu Linux

As described above, Microsoft announced the release of .NET 7 with enhanced Linux and native ARM64 support.

Below is how to install it on Ubuntu Linux.

Install .NET 6

As mentioned above, users can run the commands below to install .NET 7 since it’s already included in Ubuntu’s repositories.

To install .NET 6, run the commands below.

sudo apt update
sudo apt install dotnet6

The commands above will install all the SDK, Runtime, and ASP.NET packages.

You can install each of the features separately using the commands below.

sudo apt install dotnet-sdk-6.0
sudo apt install dotnet-runtime-6.O
sudo apt install aspnetcore-runtime-6.0

Install .NET 7

Since .NET 7 packages are not yet included in Ubuntu’s repositories, you must install the official Microsoft .NET repository.

First, run the commands below to add the Microsoft repository’s GPG key.

sudo apt install curl
curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | sudo dd of=/usr/share/keyrings/microsoft.gpg

Once the repository GPG key is installed, run the commands below to create a repository file for each version of Ubuntu.

For version 22.04:

echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft.gpg] https://packages.microsoft.com/ubuntu/22.04/prod jammy main' | sudo tee /etc/apt/sources.list.d/microsoft.list >/dev/null

For version 20.04:

echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft.gpg] https://packages.microsoft.com/ubuntu/20.04/prod focal main' | sudo tee /etc/apt/sources.list.d/microsoft.list >/dev/null

For version 18.04:

echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft.gpg] https://packages.microsoft.com/ubuntu/18.04/prod bionic main' | sudo tee /etc/apt/sources.list.d/microsoft.list >/dev/null

After adding the repository’s key and file, run the commands below to install .NET 7.

sudo apt update
sudo apt install dotnet-sdk-7.0
sudo apt install dotnet-runtime-7.0 
sudo apt install aspnetcore-runtime-7.0

To see information about .NET, run the commands below.

dotnet --info

That should output similar lines as below:

.NET SDK:

 Version:   7.0.100
 Commit:    e12b7af219
Runtime Environment:
 OS Name:     ubuntu
 OS Version:  22.10
 OS Platform: Linux
 RID:         linux-x64
 Base Path:   /usr/share/dotnet/sdk/7.0.100/
Host:
  Version:      7.0.0
  Architecture: x64
  Commit:       d099f075e4
.NET SDKs installed:
  7.0.100 [/usr/share/dotnet/sdk]
.NET runtimes installed:
  Microsoft.AspNetCore.App 7.0.0 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 7.0.0 [/usr/share/dotnet/shared/Microsoft.NETCore.App]
Other architectures found:
  None
Environment variables:
  Not set
global.json file:
  Not found
Learn more:
  https://aka.ms/dotnet/info
Download .NET:
  https://aka.ms/dotnet/download

That should do it!

Reference:

https://devblogs.microsoft.com/dotnet/announcing-dotnet-7/

Conclusion:

This guide outlines the step-by-step process to install Microsoft .NET 7 on Ubuntu Linux, leveraging the official Microsoft .NET repository.
Following the described procedures, users can easily set up the latest version of .NET on their Ubuntu systems despite the current absence of .NET 7 packages in the default repositories.
The thorough instructions covering the installation of .NET 6 and .NET 7, enable developers to leverage the full capabilities of the new features and performance enhancements brought by .NET 7.
For further details and discussions, please utilize the comment section in the reference link.

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