oracle linux server password

if you've lost Linux password try

Following is the procedure to reset root password.

Select the kernel
Press the e key to edit the entry
Select second line (the line starting with the word kernel)
Press the e key to edit kernel entry so that you can append single user mode
 Append the letter S (or word Single) to the end of the (kernel) line
Press ENTER key
Now press the b key to boot the Linux kernel into single user mode
At prompt type passwd command to reset password:

and Reboot your system.

han:
could you please help me to select kernal..

Have a look at this url

http://www.makeuseof.com/tag/how-to-reset-any-linux-password/

when the linux computer boots, and waits for several seconds

hit submit too fast.

when the linux computer boots, do you get a menu, which is called the Grub loader

stop the autoboot procedure, by tapping a key, highlight the default line, and hit e to edit.

The linux installation would have asked you for the _root_ password. That is what you login to initially to create other user accounts and/or install software. Use the same password you configured when setting up the root administrator account during install.

When you boot it up, the login screen asks for both a username and password, it will always mean a Linux user, not a windows xp user.

han:

hit submit too fast means  could you explain please..

He means he submitted his comment before he finished typing his answer.

As mrjoltcola answered, I hit submit, before completing the post.

figure out...
username :root

password igaveit