Follow these instructions to install iCR on your RedHat Based system.
Note: This is iCR development version repository, so there may be bugs found in this version.
Next, add the iCR repository to your system. Run the following command:
sudo wget -O /etc/yum.repos.d/icr.repo https://dev.rpm.openrefactory.com/icr.repo
    Update the package repository:
sudo dnf update
    For more details, visit the official Docker installation guide: Docker Engine Installation.
You can see the available versions of iCR before install:
sudo dnf list --showduplicates icr
    Now, install iCR using the following command [here we take example version 5.0.0-dev]:
sudo dnf install icr-6.1.1-dev.35
    Once iCR is installed, we need to set up and then start the iCR application:
    icr -l <icr_license>                  # This will set up the license
    icr -a <your_server_ip_or_domain>     # This will set up your server IP or domain
    icr -c start                          # This will start the iCR application
        
        To know all commands, run:
icr -h or icr ?
    Open a web browser and navigate to:
https://your_server_ip_or_domain:3001
        Default credentials:
username: admin and password: admin
    Congratulations! You have successfully installed iCR on your system.
To upgrade run:
sudo dnf update && sudo dnf upgrade icr
    To uninstall iCR, run:
sudo dnf remove icr