How to Automatically Update the OpenVAS Vulnerability Database

1.0 0 * * * sudo gvm-feed-update > /tmp/greenbone-feed-update.log 2>&1
2.sudo -i

cp /etc/sudoers /root/sudoers.bak

visudo
3.your_account_name ALL=(ALL) NOPASSWD: /usr/bin/gvm-feed-update

“The automatic update, set up according to the above process, didn’t succeed, and the vulnerability database remained unchanged.”