/var/log/auth.log

Oct 23 21:24:01 schijfwereld sudo: rinzwind : TTY=pts/0 ; PWD=/home/rinzwind ; USER=root ; COMMAND=/bin/bash
Oct 23 21:24:01 schijfwereld sudo: pam_unix(sudo:session): session opened for user root by (uid=0)

Oct 23 21:24:01 schijfwereld sudo: pam_unix(sudo:session): session opened for user root by (uid=0)
Oct 23 21:25:33 schijfwereld sudo: pam_unix(sudo:auth): authentication failure; logname= uid=1000 euid=0 tty=/dev/pts/1 ruser=rinzwind rhost=  user=rinzwind
Oct 23 21:26:02 schijfwereld sudo: rinzwind : 3 incorrect password attempts ; TTY=pts/1 ; PWD=/home/rinzwind ; USER=root ; COMMAND=/bin/bash