Chapter 2. Installing .NET Core 3.1

Procedure

1. Enable the .NET Core software repositories:

   $ sudo subscription-manager repos --enable=rhel-7-variant-dotnet-rpms

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   Replace variant with server, workstation or hpc-node depending on what RHEL system you are running (RHEL 7 Server, RHEL 7 Workstation, or HPC Compute Node, respectively).

2. Verify the list of subscriptions attached to your system:

   $ sudo subscription-manager list --consumed

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3. Install the scl tool:

   $ sudo yum install scl-utils -y

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4. Install .NET Core 3.1 and all of its dependencies:

   $ sudo yum install rh-dotnet31 -y

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5. Enable the rh-dotnet31 Software Collection environment:

   $ scl enable rh-dotnet31 bash

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   You can now run dotnet commands in this bash shell session.

   If you log out, use another shell, or open up a new terminal, the dotnet command is no longer enabled.

   Warning

   Red Hat does not recommend permanently enabling rh-dotnet31 because it may affect other programs. For example, rh-dotnet31 includes a version of libcurl that differs from the base RHEL version. This may lead to issues in programs that do not expect a different version of libcurl. If you want to enable rh-dotnet permanently, add source scl_source enable rh-dotnet31 to your ~/.bashrc file.