After using the “Nessus” program, you can follow the steps below assuming we have forgotten the user and password. At first, we run the Nessus service with the command below. We check that the Nessus service is running with the “service nessusd status” command.

sudo service nessusd start
sudo service nessusd status

Nessus User List

We run the command below to list Nessus users.

Linux

We run the following command to list Nessus users on Linux.

/opt/nessus/sbin/nessuscli lsuser

 

macOS

We run the following command to list Nessus users on macOS.

/Library/Nessus/run/sbin/nessuscli lsuser

C:\Program Files\Tenable\Nessus\nessuscli.exe lsuser

Nessus User Password Restart

You can use the command below to change the password of the Nessus user.

nessuscli chpasswd <username>

Linux

You can use the following command to change the password of the Nessus user in Linux. The password does not appear on the screen as you type.

/opt/nessus/sbin/nessuscli chpasswd <username>

 

macOS

You can use the following command to change the password of the Nessus user in macOS.

/Library/Nessus/run/sbin/nessuscli.exe chpasswd <username>

C:\Program Files\Tenable\Nessus\nessuscli.exe chpasswd <username>

Nessus Plugin Update

If you want to update the Nessus plugins, you can use the command below.

nessuscli update --plugins-only

Linux

/opt/nessus/sbin/nessuscli update --plugins-only

 

macOS

If you want to update Nessus plugins in macOS, you can use the command below.

/Library/Nessus/run/sbin/nessuscli update --plugins-only

C:\Program Files\Tenable\Nessus\nessuscli.exe update --plugins-only