postgresql

https://stackoverflow.com/questions/2732474/restore-a-postgres-backup-file-using-the-command-line


https://www.arthurtoday.com/2013/12/ubuntu-ufw-add-firewall-rules.html

https://ithelp.ithome.com.tw/questions/10183649

https://stackoverflow.com/questions/2732474/restore-a-postgres-backup-file-using-the-command-line