1) Use apt-get to install OpenVAS.
#apt-get update
#apt-get install openvas openvas-cli openvas-manager openvas-manager-common openvas-scanner greenbone-security-assistant greenbone-security-assistant-common
2) Utilize openvas-setup to configure OpenVAS.
#openvas-setup
After the processing is done, the temporary password shows up. Record the password.
3) Run openvas-start.
#openvas-start
4) Open a browser before surfing https://127.0.0.1:9392/.
5) Leverage the username admin and the aforementioned password to log in.
6) Enjoy! Don't forget changing your password for the first time you log in.