The following bug has been logged on the website:
Bug reference: 15341
Logged by: Saravanan Sakthivel
Email address: saravanan.it28@gmail.com
PostgreSQL version: 9.6.10
Operating system: Ubuntu 64bit
Description:
sudo systemctl start postgresql@9.6-main.service
Job for postgresql@9.6-main.service failed because a configured resource
limit was exceeded. See "systemctl status postgresql@9.6-main.service" and
"journalctl -xe" for details