Install OpenVAS:

[root@server1 ~]# apt-get install openvas-server

Create a self-signed certificate:

[root@server1 ~]# openvas-mkcert

Create a username and password for OpenVAS:

1. Create your username
2. Press enter to use the self signed certificate
3. Create your password
4. Press Ctrl D
5. Press Y to create the user

[root@server1 ~]# openvas-adduser

Update the tools and plugins:

[root@server1 ~]# openvas-nvt-sync

Start the daemon:

[root@server1 ~]# openvasd-D

The server is now installed and ready for use.

Install the GUI interface:

[root@server1 ~]# apt-get install openvas-client

Open the client:

[root@server1 ~]# openvas-client &

Connect to the server:

1. Select File > Connect
2. Enter the username and password and select OK
3. Select display and remember the server certificate and select OK

Run a scan:

1. Select File > Scan Assistant
2. Enter the name of the remote machine to scan (example: lamp.example.com) and select Forward
3. Enter the scope (example: LAN) and select Forward
4. Enter the domain name or IP address of the target machine and select Forward
5. Select Execute