VirtualBox
In this section, we’ll cover installing Security Onion on VirtualBox. You can download a copy of VirtualBox for Windows, Mac OS X, or Linux at https://www.virtualbox.org.
Creating VM
Launch VirtualBox and click the
New
button.Provide a name for the virtual machine (
Security Onion 2.4
for example) and then select the ISO image. It should automatically set type toLinux
and version toOracle Linux 9.x
. Click the checkbox forSkip Unattended Installation
and then click theNext
button.Specify RAM and Processors as needed per the Hardware Requirements section and then click the
Next
button.Specify virtual hard disk size as needed per the Hardware Requirements section and then click the
Next
button.Confirm options and then click the
Finish
button.Virtualbox should have automatically enabled a network adapter attached to the NAT network. Depending on what kind of installation you are doing, you may want to keep that as NAT or change to something else. If you want an additional network interface for sniffing from a TAP or SPAN port, then click the
Settings
button, clickNetwork
, and then go toAdapter 2
. Enable the adapter, configure the network it should attach to, and then you will most likely want to go to Advanced and set Promiscuous Mode to eitherAllow VMs
orAllow All
. Click theOK
button.Click the
Start
button to start the VM.Follow the installation steps for your desired installation type in the Installation section.
Guest Additions
If you want to install VirtualBox Guest Additions, please see https://www.virtualbox.org/manual/ch04.html.