This is the index.php file in your web root which is located at /var/www/html.
You should delete this file.
You should be aware that FTP is enabled and active on this server. Fail2Ban is enabled and will ban IPs after 5 failed login attempts. If you do not intend to use FTP, or feel this is a security risk you should run the "Disable FTP" script on this server (find it in the script library)
Webdock servers are configured such that you need to enter a password when executing sudo commands. If you want to change this behavior, please enable "Passwordless Sudo" on the Shell Users screen for this server.
We are still waiting on MongoDB support on Ubuntu Jammy so for this reason MongoDB is not installed by default in this OS variant of our stacks