have Ubuntu Linux 18.4 LTS server running on AWS cloud. How do I create a user account on Ubuntu Linux server using the command line?
am a new Ubuntu Linux 16.04.xx LTS server user. How do I create a new sudo user on my server? How do I add a new user as sudoer file using the command line option on Ubuntu?
ow do I create a user account called tom and grant permission for database called jerry when using PostgreSQL database?