Create user without password in ubutnu

Hi all,

We can create user without password in ubutnu. Here we created visitor as a user (without password). Follow below steps:-

1. sudo useradd visitor
2. passwd -d visitor
3. sed -i 's/#PasswordRequired=false/PasswordRequired=false/' /etc/gdm/gdm.conf
4. sed -i 's/nullok_secure/nullok/' /etc/pam.d/common-auth

After it is done.