How do I create a non root login user?

my filezilla update requires running a composer update in non root mode. I can even login as non root

i'm running my website on the cloud. i do ok as root5 but can;t login with non eroot

You need to create a new user, set his password or add SSH public key and then you can log in as this new user.

See this guide: https://www.tecmint.com/add-users-in-linux/

You can also find detailed instructions on creating secure, non-root users in our How to Secure Your Server guide.