1. Prepare
Create the directory if missing:
mkdir -p /etc/sudoers.d
2. Add rules
Use visudo on a dedicated file:
visudo -f /etc/sudoers.d/admin
3. Syntax
Example:
%wheel ALL=(ALL:ALL) ALL
4. Verify
visudo -c
Quick checklist
[ ] Steps completed
[ ] Config updated
[ ] Service tested
[ ] Restart/rollback ready
[ ] Logs checked