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All Journal TIN: TERAPAN INFORMATIKA NUSANTARA Bulletin of Computer Science Research
Franky Manoppo
Politeknik Negeri Manado, Manado
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Perancangan Sistem Tracking Procurement Berbasis Web dengan Integrasi Rekam Jejak Persetujuan (Audit Trail) Valent Laorens; Dean Prananta; Venny Ponggawa; Franky Manoppo
TIN: Terapan Informatika Nusantara Vol 7 No 1 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/tin.v7i1.10033

Abstract

Structured and integrated procurement management is a primary pillar for business sustainability in the digital era. This research focuses on resolving procurement administration issues at PT. X, which relies heavily on physical documents (WD, PRS, PO, and RR), leading to a high risk of lost audit trails, slow approval processes, and a lack of transparency. This study aims to design a web-based procurement tracking system that centrally integrates all procurement stages. System development adopted the Waterfall method, chosen specifically for its ability to accommodate the company's rigid, sequential, and strictly standardized bureaucratic flow across departments. The system was built using the Laravel framework and MySQL database. Black Box Testing confirmed that all modules operate validly. The main contribution of this research is the integration model of a real-time audit trail tracking across departments. Quantitatively, the system's implementation is estimated to significantly reduce the approval lead time from an average of 3-5 workdays to under 24 hours and eliminate the risk of document loss to 0%. These results prove that the digitalization of the tracking system provides measurable positive impacts for PT. X's operations.
Perancangan Infrastruktur Virtual Laboratory Multi-Layanan Berbasis Cloud Computing Menggunakan Metode NDLC Metalika Gunena; Anritsu Steven Christian Polii; Antonius P. G. Manginsela; Franky Manoppo; Olga Engelien Melo
Bulletin of Computer Science Research Vol. 6 No. 5 (2026): August 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i5.1253

Abstract

The limited hardware specifications of student devices remain a major obstacle in conducting computation-based practical courses in higher education, particularly in practicums that require applications with high computational resource demands, such as programming software, network simulation tools, and various other supporting applications, which often cannot run optimally on student devices with low specifications. This condition causes practical learning to become inconsistent and highly dependent on the capability of each student's personal device. Based on this problem, this research aims to design and simulate a cloud computing-based Virtual Laboratory system that can be accessed through a web browser without requiring high hardware specifications on the user side, while also contributing an integrated virtual laboratory architecture that combines three cloud computing service models simultaneously, namely Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). As a solution, IaaS is built using Proxmox Virtual Environment (VE) as a type-1 hypervisor, pfSense as a virtual firewall, Ubuntu Server as the service host, and Docker as the containerization platform, along with Cloudflare Tunnel using a Zero Trust architecture to ensure accessibility from outside the campus network without dependence on a static public IP. The system is equipped with multi-role authentication (student, lecturer, admin) based on Student ID Number (NIM) or National Lecturer ID Number (NIDN) verification and OTP verification, a QR code-based Attendance module integrated with the Timetable module, and a main portal built as an installable Progressive Web App (PWA) on user devices. The system was developed using the Network Development Life Cycle (NDLC) method. Preliminary functional testing results show that all services in the Programming Class and Network Class, including the Attendance and Timetable modules, were successfully accessed from outside the campus network, and the multi-role authentication system functioned as designed.
Co-Authors Anritsu Steven Christian Polii Antonius P. G. Manginsela Dean Prananta Metalika Gunena Olga Engelien Melo Valent Laorens Venny Ponggawa