Have you tried security oriented distro Operator.iso by ussysadmin.org? It is based on knoppix and debian. Also it is one of the best network testing and pen testers tool?
Vintage 5362 IBM System/36 Mini-Computer Mainframe 5291 2, CRT Terminal DM12N501
$249.99
IBM Type 4869 External 5 1/4in Floppy Disk Drive Mainframe Collection - UNTESTED
$65.00
6 Vintage Computer Tape Reels mainframe 3200 5000 data ibm magnetic processor
$99.00
VINTAGE IBM Type 4869 External 5 1/4" ~ Floppy Disk Drive Mainframe ~
$159.99
IBM Type 4869 External 5 1/4in Floppy Disk Drive Mainframe Collection
$145.99
Vintage Family owned Atari 1200xl computer sold as is tested turns on with cable
$299.99
VINTAGE CPU IBM MCM POWER7 - MAINFRAME PROCESSOR
$59.00
Commodore Amiga 500 Computer w/Mouse and Amiga A520 RF Modulator As Is Untested
$299.99
AOC 14in Monochrome Monitor MM-413S VGA Mainframe Collection RARE 1993
$224.99
Xargon 1 Beyond Reality RARE Game Floppy 3.5” Floppy Mainframe Collection
$349.99