QRadar can be deployed in multiple forms. Choose the appropriate model before installation:
The most interesting failure in ISO QRadar installations is Time.
QRadar is a time-series database. It correlates logs based on nanosecond precision. In an isolated network, there is no pool.ntp.org to sync with. If you install QRadar without pointing it to an internal NTP server (a Stratum 2 or 3 server inside your DMZ), the box will drift. qradar iso installation
Once the ISO installation completes and the reboot finishes, you are greeted by the "Console Setup." No fancy GUI yet—just text.
This is where the ISO installation diverges most sharply from the cloud. You must manually configure: QRadar can be deployed in multiple forms
sudo dd if=QRadar_version.iso of=/dev/sdX bs=4M status=progress && sync
After the first reboot, the system will automatically launch the QRadar Configuration Wizard. This is not the OS installer; this is the SIEM setup.
The most interesting aspect of the ISO installation is that it introduces you to a dual-world reality: After the first reboot, the system will automatically
The QRadar ISO installation method provides a controlled, appliance-like deployment. Strict adherence to partitioning, networking, and post-setup validation ensures a production-ready SIEM. For large-scale deployments, consider using QRadar’s ISO-based Remote Installer for distributed components (Console, Data Nodes, Event Collectors).
Document Version: 1.0
Applicable QRadar Versions: 7.3.x – 7.5.x
Last Reviewed: April 2026
For repeatable installations, use a Kickstart file:
# ks.cfg snippet
part / --size 50000 --fstype ext4
part /store --size 1 --grow --fstype ext4
%post
/opt/qradar/support/all_scripts/setup_wizard.pl --silent --license accept
%end