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I am currently running Ubuntu 12.04 and I recently changed my account password. Before the password change, I was able to run commands via sudo when necessary while using my old password with no problem. However, after changing my password, the new password is no longer accepted when trying to use sudo. I can log into the computer with the password correctly, but the password is not accepted for sudo.

I have tried using the old password as well, with no success. This probably sounds like a case of incorrect password input, however, I just spent 5 minutes trying to change my own password using passwd, and it would not accept the current password. I could go into recovery mode and change my password with the root account, but I'm not sure if that will fix my problem or not, and I'd rather not have to do that.

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Try if these answers help: askubuntu.com/questions/152793/… –  Takkat May 18 at 21:29

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