Issue in Final Troubleshooting Lab

Linux Basics Course
#1

Task 6/questiono 8 of this lab asking to start service postgresql

i ran command systemctl start postgressql.service

error is as below

Failed to start postgresql.service: The name org.freedesktop.PolicyKit1 was not provided by any .service files
See system logs and ‘systemctl status postgresql.service’ for details.

#2

@raghumanne, could you please try using sudo.

sudo systemctl start postgressql.service