1. fdisk -l
df
lvmdiskscan
modprobe dm-mod
vgchange -ay
lvmdiskscan
/etc/hosts - locl ip-adresses
/etc/crontab - tidsbestemte jobber
/etc/fstab - mount vlum at boot
lspci is a great utility for listing the system hardware. (Anything on the PCI bus, anyway.)
cat /proc/cpuinfo - Displays CPU info
cat /proc/meminfo - Displays memory info
dmesg (or cat /var/log/dmesg) contains some info, not necessarily everything.
lspci for pci cards, lsusb for usb, lshw works on debian based distros, here's a list of ways to get other hardware specs,
