The CDROM image was a firmware upgrade image from Dell (based on Linux). Mounting the image with iDRAC, it worked nicely. As one of the Servers had a dying iDRAC (Dell R320), I needed an USB stick.

A little something for the weekend, sir? Pendrivelinux.com has a tutorial showing how you can easily set up Linux to boot from a USB stick drive. Links are provided to the only two downloads required ...

Creating a bootable USB drive is a cornerstone skill for anyone interested in exploring different operating systems or working in system administration. A bootable USB drive allows a user to boot into ...

Your Linux PC has a Secure Boot problem - what to do first (and the workaround to avoid) ...

When Windows fails, this tiny USB drive takes over.