# dmidecode | grep -A3 '^System Information'
CPU model
# cat /proc/cpuinfo | grep 'model name' | uniq
Memory summary
# dmidecode -t 17 | grep MB
CPU config - good summary, check socket and core outputs for physicals
# lscpu
CPU config - more detail
# less /proc/cpuinfo
CPU config - just the number of cores, physical and virtual
# nproc
Serial number
# dmidecode -s system-serial-number
# dmidecode | grep Serial
If no root / sudo access (might not work on Debian-based distros, tested on RHEL)
$ lshal | grep system.hardware.serial
