hey guys ,, if you forgotten passowrd or username or both .. dontworry you can reset password of nessus or add or remove user 1. open terminal and go to sbin directory cd /opt/nessus/sbin 2.enter ls command to see all files 3.there are a file nessuscli by which we can reset password,add user and remove user 4. execute that file --- ./nessuscli 5.it showing many options like user-commands,fetch commands,bug reporting commnads. 6.enter command ./nessuscli lsuser it will show username 7. TO change password enter command ./nessuscli chpasswd <username> 8. enter new password and enjoy If you want to adduser ,it also easy like reset password ...Goto same directory and enter command ./nessuscli adduser enter any use...