[yocto] How to add user with nologin shell

[Michel D'HOOGE]

> Still same error even if I used -U option.
> 
> I tried even groupadd but still I get below error.

Can you try this:
EXTRA_USERS_PARAMS = "useradd -r -s /sbin/nologin user1;"

According to my man page:
  By default, a group will also be created for the new user
  <username> must be last
  -r also implies -M

Michel