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 DEC/CLEARPOINT INC. QED1 4MB Memory PDP
$149.99
VINTAGE DEC DIGITAL DISK FOR RK 05 HARD DRIVE
$89.99
VINTAGE DEC Digital RK11-D STATUS M7254 PDP 11 (B1)
$129.99
VINTAGE DEC DIGITAL 5416622 SERIAL LINE MODULE NEW OLD STOCK (B16)
$79.99
Vintage DIGITAL DEC MICROVAX II - 630QZ-A2
$2000.00
Ultra RARE Orange Screen DEC VT320 Powers On Digital Vintage Terminal Monitor
$195.00
VINTAGE Green Screen Digital Terminal Monitor Model DEC VT320 - Powers On
$195.00
VINTAGE Digital Terminal Monitor Model DEC VT320 Powers On Black & White Screen
$99.00
VINTAGE DEC Digital RK11-D DISK CONTROL M7255 PDP 11 (B1)
$129.99
Vintage Digital Equipment DEC PDP Front Control Panel Bezel - Top Rack 19''
$179.99