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 R730xd 24SFF 2x E5-2690 v3 2.6ghz 24-Cores 64gb H730 2x 750w
$194.99
Dell Poweredge R630 2x Xeon E5-2670 v3 2.3ghz 24-Cores 32gb 180GB SSD 495w
$174.99
Dell PowerEdge R630 Server 2x E5-2697v3 2.60Ghz 28-Core 128GB H730P Rails
$278.45
DELL EMC POWEREDGE T340 Server 8 BAY 3.5" 32GB H730 2 SSD Win COA IDRAC 9 Ent
$799.00
Dell Poweredge R730xd 26-Bay SFF | 2x E5-2690 v3 2.6ghz 24-Cores | 64GB | H730
$189.99
Dell PowerEdge R730 Server 2x E5-2697Av4 2.60Ghz 32-Core 128GB H730
$485.75
Dell Poweredge R620 2x E5-2670 2.6ghz 16-Cores / 32gb / H710 / 2x Trays / 750w
$134.99
Dell PowerEdge R730 Server w Trays 128Gb 2x12c=24c CPUs 80Gb SSD/2x4Tb Proxmox
$400.00
Dell R640 8x 2.5" SFF Server iDRAC - Wholesale Custom Build Your Server
$289.99
Dell PowerEdge R630 8 Bay SFF 1U Server - Wholesale Custom Build Your Server
$259.99