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?
Dell PowerEdge R720 Server - 2x8c CPU,256Gb RAM, 128Gb SSD/3x600Gb SAS, Proxmox
$360.00
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HP Z4 G4 Workstation (5RF55UP#ABA) Tower Xeon W-2102 8 GB RAM Nvidia P2000
$395.00
Intel Xeon Gold 6140 SR3AX 2.3GHz 18-Core Processor CPU
$44.99
Intel Xeon E5-2697 v2 2.7GHz 30M 12-Core LGA2011 CPU Processor SR19H
$27.99
HP Z4G4 Intel Xeon W2133-3.6 GHz, 256 NVME, 6TB HDD, 32GB RAM P620 NO OS
$265.00
Intel Xeon E5-2680 v4 2.4GHz 35MB 14-Core 120W LGA2011-3 SR2N7
$17.99
Dell Precision T5600/t5610 Xeon E5-2670 2.6Ghz 16GB DDR3 RAM NO HDD Nvidia
$85.50
Intel Xeon Gold 6238 2.1GHz 30.25MB 22-Core LGA 3647 CPU / Processor ___ SRFPL
$379.99