You can launch Iron from terminal if you do not want to install it. 

cd [Insert your Iron directory here...]
./chrome

Also checkout the Iron Config & BackupTool:
cd [Insert your Iron directory here...]
./IronConfigBackup

------------

If you have a distribution  with an older Kernel like Debian:

BEFORE YOU LAUNCH, PLEASE RUN:
cd [Insert your Iron directory here...]
sudo chown root chrome-sandbox
sudo chmod 4755 chrome-sandbox
sudo chmod 4755 chrome-wrapper

Launch with ./chrome-wrapper
