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Welcome to s390x.sanyalnet.lan. This is a Hercules-emulated IBM Z/Arhitecture S/390 Mainframe computer running Ubuntu 18 (Bionic Beaver).
More information about this server: Bionic Beaver on Z/Architecture: My Personal Mainframe IBM S/390 running Ubuntu 18 Linux on Hercules on OpenSUSE Tumbleweed
Here is what IBM say in their archives about S/390 Parallel Enterprise Server.
CPU INFO
vendor_id : IBM/S390
# processors : 2
bogomips per cpu: 175438.00
max thread id : 0
features : esan3 zarch stfle msa ldisp eimm edat etf3eh highgprs sie
facilities : 0 1 2 3 6 7 8 9 10 11 13 16 17 18 19 20 21 22 23 24 25 26
27 28 30 31 32 33 34 35 36 40 41 42 43 45 47 49 52 66 75
76 77
cache0 : level=1 type=Data scope=Private size=512K line_size=256
associativity=-1
cache1 : level=1 type=Instruction scope=Private size=512K
line_size=256 associativity=-1
processor 0: version = 00, identification = 012345, machine = 3090
processor 1: version = 00, identification = 112345, machine = 3090
INTERRUPTS
CPU0 CPU1
EXT: 502465 506737
I/O: 55430 49030
AIO: 0 0
CLK: 404128 417705 [EXT] Clock Comparator
EXC: 98214 88942 [EXT] External Call
EMS: 0 0 [EXT] Emergency Signal
TMR: 0 0 [EXT] CPU Timer
TAL: 0 0 [EXT] Timing Alert
PFL: 0 0 [EXT] Pseudo Page Fault
DSD: 0 0 [EXT] DASD Diag
VRT: 0 0 [EXT] Virtio
SCP: 123 90 [EXT] Service Call
IUC: 0 0 [EXT] IUCV
CMS: 0 0 [EXT] CPU-Measurement: Sampling
CMC: 0 0 [EXT] CPU-Measurement: Counter
FTP: 0 0 [EXT] HMC FTP Service
CIO: 7 2 [I/O] Common I/O Layer Interrupt
QAI: 0 0 [I/O] QDIO Adapter Interrupt
DAS: 9850 9719 [I/O] DASD
C15: 0 0 [I/O] 3215
C70: 0 0 [I/O] 3270
TAP: 0 0 [I/O] Tape
VMR: 0 0 [I/O] Unit Record Devices
LCS: 0 0 [I/O] LCS
CTC: 45573 39309 [I/O] CTC
APB: 0 0 [I/O] AP Bus
ADM: 0 0 [I/O] EADM Subchannel
CSC: 0 0 [I/O] CHSC Subchannel
PCI: 0 0 [I/O] PCI Interrupt
MSI: 0 0 [I/O] MSI Interrupt
VIR: 0 0 [I/O] Virtual I/O Devices
VAI: 0 0 [I/O] Virtual I/O Devices AI
NMI: 0 0 [NMI] Machine Check
RST: 0 1 [CPU] CPU Restart
That is just a name I have given my disorganized bunch of computers and electronics hobby projects; it is nebulous and does not really mean anything. Equivalent to "junk in the basement."
Here is a DECnet administrator's tool in javascript: DECnet - MAC address - SCSSYSTEMID Calculator »
The hobbyist servers I play with and the services they provide are listed at my Freeshell / SDF Web Page.
Supratim Sanyal
This is a private hobbyist server with potentially everything being logged. There is absolutely no assurance of any kind whatsoever, no assumptions can be made about any sort of privacy, security, availability and retention of data. This generally applies to all my hobbyist servers mentioned here and elsewhere.