GNU/Linux CentOS Stream 9 Installing ELRepo Repo Guide
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How to Install/Enable/Set-Up the ELRepo Enterprise Linux Repository on CentOS Stream 9 GNU/Linux.
The ELRepo Project focuses on Hardware related Packages to enhance your experience with Enterprise Linux.
This Repo includes Filesystem Drivers, Graphics Drivers, Network Drivers, Sound Drivers, Webcam and Graphics Drivers.
Finally, this Guide is valid also for all the others RHEL Based Distros like:
- Red Hat Enterprise Linux 9
- Rocky Linux 9
- AlmaLinux 9
- Oracle Enterprise Linux 9

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1. Terminal Quick Start
How to Quick Start with Command Line on CentOS
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2. Importing ElRepo Key
Import the GPG Key
Simply running:sudo rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
If Got “User is Not in Sudoers file” then see: How to Enable sudo
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3. Installing ElRepo Repository
Finally, to Install ELRepo Repository
Simply play:sudo yum install https://www.elrepo.org/elrepo-release-9.el9.elrepo.noarch.rpm