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All Journal JATI (Jurnal Mahasiswa Teknik Informatika) International Journal of Geometry Research and Inventions in Education
Sahab, Fahmi
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Computer Science & IT Education

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IMPLEMENTASI NEXTCLOUD SEBAGAI CLOUD STORAGE MENGGUNAKAN RAID HARDDISK SEBAGAI REPLIKASI DATA Sahab, Fahmi; Faizin, Arif
JATI (Jurnal Mahasiswa Teknik Informatika) Vol. 8 No. 6 (2024): JATI Vol. 8 No. 6
Publisher : Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jati.v8i6.11292

Abstract

Dalam era digital yang berkembang, kebutuhan penyimpanan data yang efisien, aman, terpusat dan dapat diakses dengan mudah di SMA Negeri 1 Purwosari menjadi sangat penting. Cloud Storage adalah teknologi yang memungkinkan penyimpanan data secara online, di mana data dapat diakses dan dikelola melalui internet. Nextcloud dipilih sebagai salah satu platform cloud storage open-source, menawarkan fleksibilitas dan kontrol yang lebih besar atas data dibandingkan dengan solusi komersial. Selain itu, integrasi dengan teknologi redundansi RAID mirroring, menambahkan lapisan keamanan data yang penting untuk mencegah kehilangan data. Penelitian ini bertujuan mengimplementasikan Nextcloud sebagai platform Cloud Storage, mengkonfigurasi RAID Harddisk sebagai replikasi data, menganalisis manfaat implementasi Nextcloud dengan RAID Harddisk sebagai replikasi data di SMA Negeri 1 Purwosari. Metode yang digunakan meliputi studi pustaka, analisis kebutuhan, perancangan sistem, implementasi dan pengujian. Tahapan implementasi meliputi instalasi sistem operasi Ubuntu Server, instalasi dan konfigurasi Nextcloud, konfigurasi RAID, serta pengujian akses data secara lokal maupun jarak jauh. Hasil penelitian menunjukkan Nextcloud berhasil diimplementasikan sebagai Cloud Storage di SMA Negeri 1 Purwosari dengan langkah instalasi dan konfigurasi sistem sesuai standar. Konfigurasi RAID berhasil dilakukan menggunakan 2 buah harddisk sebagai replikasi data. Berdasarkan hasil kuesioner menggunakan skala likert diperoleh tingkat kepuasan 86,93 %, maka disimpulkan implementasi Nextcloud sebagai Cloud Storage menggunakan RAID Harddisk di SMA Negeri 1 Purwosari sangat baik.
The Effect of Self-Explanation Learning Strategies on Students’ Understanding of Mathematical Concepts Awalludin, Subhan Ajiz; Sahab, Fahmi; Saelim, Rattikan
International Journal of Geometry Research and Inventions in Education Vol. 2 No. 02 (2025)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/gradient.v2i02.1750

Abstract

This study investigates whether a structured self‑explanation strategy improves secondary students’ conceptual understanding of geometric transformations. Employing a quasi‑experimental nonequivalent posttest‑only control group design, the research sampled two intact eleventh‑grade classes from a public high school. The experimental class received worksheet-embedded prompts guiding them through four phases of self-explanation, whereas the control class experienced conventional instruction. Assumption checks confirmed normality and homogeneity, and an independent‑samples t‑test compared posttest performance. Students taught with self-explanation achieved higher scores on a five-item open-ended assessment of conceptual understanding than their peers in the control condition. The between‑group difference was statistically significant and accompanied by a large effect size (ES ≈ 0.83), indicating meaningful practical gains. Qualitative interpretation of score patterns suggests that explanation prompts facilitated integration across symbolic, graphical, and spatial representations and reduced common misconceptions in transformation tasks. These results align with prior evidence that metacognitive scaffolds deepen conceptual learning and support transfer beyond taught procedures. The findings imply that brief, structured self‑explanation can be feasibly integrated into routine lessons to enhance conceptual outcomes. Future research should explore retention over time, effects across diverse topics, and the comparative benefits of alternative metacognitive supports.
Co-Authors Arif Faizin Awalludin, Subhan Ajiz Saelim, Rattikan