Did you rebooted the server after installation? Also please login as root user instead using sudo - if not possible, do the following:
cd /usr/local/hestia/bin
./v-change-user-password admin yourpass
Did you rebooted the server after installation? Also please login as root user instead using sudo - if not possible, do the following:
cd /usr/local/hestia/bin
./v-change-user-password admin yourpass