To install DualShield RADIUS Server from a Linux console, execute the following commands:

1. Grant the execution permission for DualShield RADIUS installer:  chmod a+x setupdualradiusxxx.bin 
2. Start the installation: ./setupdualradiusxxx.bin -- -console 
   in which xxx is the version and build number. 
   
   

Now, you are ready to start installing the DualShield RADIUS server and follow the steps.