The sudo command allows users to run programs with the security privileges of another user, by default, the root user. First if all, the user should be created in the system if it doesn’t exists yet. On Ubuntu systems, by default members of the group sudo are granted to sudo command access. Once the user is created, from root user, or a user with sudo access, you have to execute this command to add the user to sudo group. ...
In order to create a new user in a Linux Ubuntu distribution from terminal, you have to use this command. sudo adduser username After this, the system will ask you some parameters included the password. [23:43:24] ubuntu|zoar:~$ sudo adduser yvoictra Adding user `yvoictra' ... Adding new group`yvoictra' (1001) … Adding new user `yvoictra' (1001) with group`yvoictra' … Creating home directory `/home/yvoictra' ... Copying files from`/etc/skel' … New password: Retype new password: passwd: password updated successfully Changing the user information for yvoictra Enter the new value, or press ENTER for the default Full Name []: Yvoictra Room Number []: Work Phone []: Home Phone []: Other []: Is the information correct? [Y/n] y [23:46:40] ubuntu|zoar:~$ ...