Minimal install
Fetch the ISO from https://help.ubuntu.com/community/Installation/MinimalCD. Note that it will use the network during installation.
Choose "command line install" during the install.
Tools
htop, hwinfo, iostat, etc.
Modules
What modules are currently loaded by the kernel?
lsmod
# manually
cat /proc/modules
Get info about a specific module
modinfo drm
Sample output
filename: /lib/modules/3.16.0-28-generic/kernel/drivers/gpu/drm/drm.ko license: GPL and additional rights description: DRM shared core routines author: Gareth Hughes, Leif Delgass, José Fonseca, Jon Smirl srcversion: CDA2A0E773C64A8C21E4904 depends: intree: Y vermagic: 3.16.0-28-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: 43:ED:39:10:44:31:91:78:75:D2:7B:2C:77:81:33:BB:61:68:4E:D9 sig_hashalgo: sha512 parm: edid_fixup:Minimum number of valid EDID header bytes (0-8, default 6) (int) parm: debug:Enable debug output (int) parm: rnodes:Enable experimental render nodes API (int)