Default admin password can be found when run gvm-check-setup. However, if you can not find it, you can run following to reset it:
sudo runuser -u _gvm -- gvmd --user=admin --new-password=your_new_passwordDefault admin password can be found when run gvm-check-setup. However, if you can not find it, you can run following to reset it:
sudo runuser -u _gvm -- gvmd --user=admin --new-password=your_new_password