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- su command + authentication failure 7 answers
During the installation process I was asked to set a password. I chose a password (a strong one) and everything goes smoothly every time I log in. Problems arise whenever I resort to "sudo" or "su" commands ...
I mean, if I type "sudo or "su" I'm compelled to provide a password and whenever I type the password I choose during the installation process I get this error:
Can someone help me?