​Webmin

Adding a new student:

        sudo adduser <username>
        sudo usermod -a -G swdev <username>
        cd /var/local/trac
        sudo htpasswd .htpasswd <username>
        sudo trac-admin /var/local/trac permission add <username> swdev

Adding a new mentor:

        sudo adduser <username>
        sudo usermod -a -G swmentors <username>
        sudo usermod -a -G swdev <username>
        sudo usermod -a -G sudo <username>
        cd /var/local/trac
        sudo htpasswd .htpasswd <username>
        sudo trac-admin /var/local/trac permission add <username> TRAC_ADMIN
           or
        Log in to trac -> Admin -> Permissions -> Add TRAC_ADMIN for user