The anonymizing Linux for the USB stick Tails comes with an anonymous chat option in version 6.7. There are also tips on secure boot problems. Version 6.7 of the Linux distribution Tails, which ...
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.