Essential commandline for driving your system

Turn off

sudo shutdown

 

Reboot

sudo reboot

List mounted devices and disks and other info

 

sudo fdisk -l

 

Static file system information

 

/etc/fstab

 

Fcsk – boot from live CD (for booting from a mounted drive)

open a console with ctrl+alt+f1

then sudo fsck /dev/sdb, etc

Another option: sudo e2fsck -p -f -v /dev/sda

 

Force fsck on boot

sudo touch /forcefsck and reboot!

Change screen resolution using command line

xrandr -s new_widthxnew_height

example: xrandr -s 1920×1200