Recently I lost my root user password. So I had reset it using the Recovery terminal. Now whenever I login, the Ubuntu shows a dialogue box with unlock keyring. I already tried for deleting the keyring folder in the .gnome2 folder but there is no folder related to keyring or anything.
The answer is provided in Ubuntu One help faq. The link is here.
- Open Applications->Accessories->Passwords And Encryption Keys or on Ubuntu 11.04 or greater press the "super key" (Windows key on most keyboards) and type "Passwords" then click on "Passwords and Encryption Keys"
- Right-click on the "Passwords" folder and select "Change Password"
- Set the new keyring password to be the same as your login password.
Alternatively, if you don't know the old password at step 2.
- Right-click on the "Passwords" entry and select "Delete".
- Now create a new "Passwords" entry and give it a password (likely the same as your login for simplest usage.)
For others coming across this from Google who have a fully encrypted hard drive and want to remove the passwords here is an alternative.
This will disable the key ring prompt by removing the password.
Set the key ring to no password.
- Press super key, or click launcher orb, enter password and select "Passwords and Keys" when it comes up
- Right click "Login" for Passwords section
- Follow the prompts and set an empty password
- Accept the prompt for storing keys/data unencrypted
I do realize some people are gonna jump all over this answer, but if you have your entire hard drive encrypted with LUKS, then the data is already encrypted and the drive unlocked/decrypted during startup prompt.
If you're like me and prefer your drive encrypted, then typing both the drive encryption password and then a login password is redundant and annoying.