Add a User To Group www-data ( Apache Group ) Rumi, October 10, 2019 The procedure is as follows: Open the terminal application. Login to Ubuntu server using ssh. Add a new user named foo to www-data group by running useradd -g www-data foo command. Add an existing user bar to Apache’s www-data group on Ubuntu using usermod -a -G www-data bar command. Verify new modification on Linux by using the id command. Let us see all commands in details. How to see a list of www-data members To see list of all members of a group named www-data, run the following grep command on /etc/group file: grep ^www-data /etc/group Sample outputs: www-data:x:33: How do I add an existing user named vivek to group Apache group www-data? Simply run the following command to add an existing user to an existing group: sudo adduser {USER-NAME-HERE} {GROUP-NAME-HERE} sudo adduser tweenpath www-data Verify it with the help of id command: id tweenpath Add a new user to the www-data group. In this example, add a new user called vivek to the www-data group, enter: sudo useradd -g www-data tweenpath ### set the password for tweenpath user ### sudo passwd tweenpath To verify new settings, enter: id tweenpath groups tweenpath The group name www-data is the user’s initial login group i.e. tweenpath has been added to www-data primary group only. www-data supplementary groups membership To add a new user called vivek to supplementary groups called www-data and ftp, enter: sudo groupadd tweenpath sudo useradd -g tweenpath -G www-data,ftp tweenpath sudo passwd tweenpath To verify new settings, enter: id tweenpath groups tweenpath Add a existing user to www-data group Type the following command to add an existing user called vgite to the www-data group, enter: sudo usermod -a -G www-data tweenpath id tweenpath groups tweenpath Above command will add the user tweenpath to the supplementary group called www-data. Use -a option only with the -G option. Administrations Configurations (Linux) www-data