Help with Centos, It won't boot up. Stuck at GUN GRUB Screen.

Did you install updates including a kernel update? Can't test this for you but this looks just like your issue: http://beginlinux.com/server_training/serv_admin_m/grub

Are you purposely leaving out some info?
It looks to me like you have a dual-boot system with Ubuntu.

i had did yum update and rebooted the server after that it wont come on just on the Gnu Grub screen. I have just followed the tutorial from http://beginlinux.com/server_training/serv_admin_m/grub but i just keep getting error saying no such file in directory is it possible to recover all files and database from this hard drive to a new hard drive?

How about we see if you still have a recognized file system.
Type this at the grub> prompt:
grub>root

Hopefully you get a response like this:
(hd0,0): Filesystem type is ext2fs, partition type 0x83

If you receive a response, then try:
grub>find (hd0,0) /grub/grub.conf

*(replace (hd0,0) with your particular output.

Please post your finding.

CentOS and Ubuntu use totally different versions of GRUB.

I'm clicking Unmonitor
<- over there, now.

when i tried root from the grub prompt i got (fd0): Filesystem type is fat, partition type 0xb

i am runing centos 6

i ran find (fd0) //grub/grub.conf and i got file not found

i was able to load a centos live cd to be able to retrive my files and database files but i could not locate my files / sites created with cpanel whm. i see the files in the hard drives but cant find my website datat stored on the hard drive. Please help

Boot of a live CD and see if you can see your data then copy it off that way, once you have the data best start again, you probably will anyway later on.

i cant find my site files in the hard drive thou

You do have a weird setup though, the grub error you posted mentioned ubuntu but you say you use centos, I didnt read anything above about site files!

have you tried; find / -name "*sitefiles*"

i copied the the error message from the internet because its the same error just name difference. The hard drive is already mounted i was able to find my cpanel files and database files but not particularly my sites.

I tried navigating to /etc/fstab no directory like that on the hard drive or live cd

the home directory is empty

i ended up losing all files and starting over.

Thanks