DualShield installation on Linux is just as same as on Windows, if you are using X-Window (GUI, Graphics User Interface). However the downloaded installation file is not executable, you should use chmod command to change the privilege.
chmod a+x setup.bin
Also use root account to run this installation.
DualShield installation package also supports console installation, which means you can install DualShield in ssh.
./setup.bin -- -console
Probably you also wonder how to start/stop DualShield on Linux.
/etc/init.d/dualshield start
/etc/init.d/dualshield stop
Use the following command to remove DualShield installation.
/usr/local/dualshield/Uninstaller/removedualshield.sh
It assumes you installed DualShield under the folder "/usr/local/dualshield". make sure you execute it with root privilege.