How to Install OpenVAS 8 Vulnerability Scanner on Centos 7

http://www.openvas.org/
OpenVAS is a fork of the previously open source Nessus scanning tool after Tenable Network Security changed it to a proprietary license in October 2005.

yum update
yum install -y wget bzip2 net-tools
wget -q -O - http://www.atomicorp.com/installers/atomic | sh
yum install openvas
vi /etc/redis.conf # uncomment two unixsock lines
systemctl disable firewalld
systemctl stop firewalld
systemctl enable redis
systemctl start redis
systemctl status redis
sed -i 's/enforcing/disabled/g' /etc/selinux/config /etc/selinux/config
reboot
sestatus

openvas-setup    # this takes half an hour

https://IP-address:9392
vi /etc/sysconfig/gsad # change port to 443
systemctl  restart gsad
systemctl  | grep gsad
nestat -an | grep listen
openssl s_client -connect localhost:443
wget --no-check-certificate https://svn.wald.intevation.org/svn/openvas/trunk/tools/openvas-check-setup
bash openvas-check-setup

openvasmd --rebuild --progress

# point you browser to https://IP-address

CLI:
https://kb.scanarch.com/How-to-scan-for-vulnerabilities-with-OpenVAS/
https://github.com/c610/tmp/blob/master/code16.py