How to enable public TCP access to required port on VPS?

[EdgarsK]

Hi . How to control port settings ? I need 8081 port to be opened .
Many thanks !

[sysdop]

Hi @EdgarsK

What is the control panel that you are using your VPS? cPanel, Vesta, Plesk, ISPConfig or no control panel? Please confirm to help me, or are you using the OVH Public Cloud?

I wait your answer

Regards,
Carlos Frias (SysAdmin)
Sysdop