Linux Error Messages That Go Hard Starter Pack

ERROR: Failed to mount the real root device.
Bailing out, you are on your own. Good luck.

WARNING: The following essential packages will be removed.
This should NOT be done unless you know exactly what you are doing!
   sysvinit initscripts (due to sysvinit) sysv-rc (due to sysvinit) util-linux
0 upgraded, 0 newly installed, 198 to remove and 3 not upgraded
You are about to do something potentially harmful.
To continue type in the phrase 'Yes, do as I say!'
 ?] 

(12/19) upgrading linux-raspberrypi
WARNING: /boot appears to be a seperate partition but is not mounted.
         You probably just broke your system. Congratulations.
>>> Updating module dependencies. Please wait...

[   0.895799] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs 
on unknown block(0,0)

  _______________________________
< Your System ate a SPARC! Gah! >
  ------------------------------
            \    ^__^
              \  (xx)\_________
                 (__)\         )\/\
                  U   ||-----w |
                      ||      ||

Out of memory: Kill process 15745 (postgres) score 10 or sacrifice child