How To install OSPOS on CentOS 7 using Digital Ocean as hosting

About this tutorial:
This tutorial shows installation of OSPOS - open source point of sale, which is a web based point of sale system. The installation is done on CentOS 7 (Linux) hosted on DigitalOcean.

What is OSPOS:
Open Source Point of Sale a point of sale application which is written in PHP with the CodeIgniter as its framework. At the backend it uses MySQL or MariaDB for data. The front end uses Bootstrap 3 for the user interface.

Open Source Point of Sale is a web based point of sale system. The main features are:

- Stock management (Items and Kits)
- VAT, customer and multi tiers taxation
- Sale register with transactions logging
- Quotation and invoicing
- Expenses logging
- Receipt and invoice printing and/or emailing
- Barcode generation and printing
- Suppliers and Customers database
- Multiuser with permission control
- Reporting on sales, orders, expenses, inventory status
- Receivings
- Giftcard
- Rewards
- Restaurant tables
- Messaging (SMS)
- Multilanguage
- Selectable Boostrap (Bootswatch) based UI theme
- Mailchimp integration
- reCAPTCHA to protect login page from brute force attacks

References and links used:

[to download OSPOS]:
https://github.com/opensourcepos/opensourcepos

[Used for hosting the server]:
https://www.digitalocean.com/

[Official site of this channel]
http://itworld.bannu.com.pk

You can post you queries in the comments and we will get back to you if you have any queries.