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All Journal Jurnal Informatika Jurnal Infra Seminar Nasional Informatika (SEMNASIF) International Journal of Engineering, Science and Information Technology Jurnal Pengabdian Masyarakat Bangsa Bulletin of Social Informatics Theory and Application
Agustinus Noertjahyana
Program Studi Teknik Informatika Universitas Kristen Petra
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation

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Aplikasi Sistem Pakar Penyakit Hewan Peliharaan Dengan Metode Forward Chaining Alim, Ocky Mahendra; Santoso, Leo Willyanto; Noertjahyana, Agustinus
Jurnal Infra Vol 3, No 2 (2015)
Publisher : Jurnal Infra

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Abstract

With the lack of knowledge about the disease and treatment of animal diseases, animals do not get first aid, if we know the ilness no need to be panic and bring the animal to the doctor to perform further tests.Therefore, to help understand the illness and knowing first aid should be done when a pet suffering from the disease, it takes an application that can help detect what type of disease suffered and help necessary.From the above problems the authors designed a web-based expert system application that can overcome the above problems.
Aplikasi Pembelajaran Jaringan Komputer Berbasis Android Novita, Vianny; Handojo, Andreas; Noertjahyana, Agustinus
Jurnal Infra Vol 3, No 2 (2015)
Publisher : Jurnal Infra

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Abstract

Nowadays, in the era that technology grows rapidly, computer network is not something new to be learnt. Almost every company uses a computer network to facilitate the transfer of data and information. Internet, the huge computer network, is popular and is not a novel matter to most people. Many devices can interact with each other using internet. Computer networks themselves have components that mutually support each other, including Server and Router. An understanding of computer networks can be used to perform the analysis when there is a problem in the network.Therefore, this thesis was made with the aim of helping people to understand how a computer network works. This application is supported by the distributuin of structured subjects, making them easier to undertand. Each subject also includes images corresponding to the subject being discussed.The experimental results show that the application can work well on different Android devices. Everytime the application is started, the user needs to provide connection for the system to download data, text, and images.
Vulnerability Mapping pada Jaringan Komputer di Universitas X Angir, Devi Christiani; Noertjahyana, Agustinus; Andjarwirawan, Justinus
Jurnal Infra Vol 3, No 2 (2015)
Publisher : Jurnal Infra

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Abstract

X University is now growing increasingly large and has a wide variety of information systems to run its operations. One of the most important servers in X University is www.xyz.ac.id. That URL is one of the URLs that are frequented by the public outside to get to know closer about X University in general. Security of web server is usually a matter of an administrator. Sometimes, security issues or server application system and the importance of securing web server neglected only realized after the disaster. Without a good security application systems, the application of technology would be very dangerous as good as any institution or organization itself. Therefore, it takes a server security evaluation and conduct vulnerability mapping to be wary of the security server.Based on the background of the problem, it is necessary to evaluate by using penetration testing. In addition, this study also uses the guidelines of the module CEH (Certified Ethical Hacker) and the official web Acunetix. Testing of this thesis is aimed to find the weaknesses of existing servers. Some problems were found after testing, among others: the weaknesses found pretty much where any weaknesses have different handling, ports should not be open even open, and less important public IP should not be open.The solution provided to overcome these problems include: the use of Acunetix standards can be maintained and continued, testing will be done more than one time, to upgrade web server to a newer version periodically, to filter the existing port, increasing the level of web security server, periodic maintenance, and security testing regularly and periodically, either by consulting the relevant field or using a guide (like Acunetix, CEH, OWASP).
Implementasi dan Evaluasi Private Cloud di Laboratorium Komputer Kuntani, Daniel Wilhenson; Palit, Henry Novianus; Noertjahyana, Agustinus
Jurnal Infra Vol 3, No 2 (2015)
Publisher : Jurnal Infra

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Abstract

Distributed and parallel applications are growing rapidly in this modern era, and so are the needs for more compute resources. The emerging solution to meet these needs is cloud system. Cloud is a collection of computers working together as a unified system. The cloud system provides compute resources to users.One type of cloud is private cloud. Private cloud has restricted users, who work in the same environment or company. As needed, the deployed cloud service is an Infrastructure as a Service (IaaS), where users can request for certain computer specifications with a specific operating system.Computer laboratories in Petra Christian University have computer resources with sufficient specifications that can be utilized to implement a private cloud. The laboratories are not always used for learning classes, thus their resource usage is not optimal. Therefore, implementation of the private cloud is carried out at one of the computer laboratories.OpenStack cloud framework was used for the implementation. Evaluation was done by measuring the performance of the virtual instances and comparing it to that of the physical hosts. The results were used to further determine the benefits offered by the private cloud.
Penetration Testing Server Sistem Informasi Manajemen dan Website Universitas Kristen Petra Pangalila, Richard; Noertjahyana, Agustinus; Andjarwirawan, Justinus
Jurnal Infra Vol 3, No 2 (2015)
Publisher : Jurnal Infra

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Abstract

A developing organization need information technology in itsoperational activity. However what is often considered is how toensure that data saved in server is safe from unauthorized parties.Therefore, this thesis reviews how a person who is appointed as asecurity analyst do penetration testing in a system with variety toolsgiven and how the report can be understood from by people frommanagers to programmers. Besides giving the how-to knowledge,this thesis also reviews how secure is the organization under reviewin keeping their data safe from other parties who are not supposedto get access to important operational activity data.
Pembuatan Aplikasi Penjadwalan dan Reservasi untuk Penggunaan Private Cloud Computing Halim, Albert; Palit, Henry Novianus; Noertjahyana, Agustinus
Jurnal Infra Vol 3, No 2 (2015)
Publisher : Jurnal Infra

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Abstract

Cloud computing is a new technology that is being hotly discussed by experts in information technology. Cloud computing technology is here to address the challenge of more efficient computing technologies. So an idea has come about to build a cloud system in the Petra Christian University’s computer laboratory. However implementing the cloud could interfere with the use of existing lab. The application aims to help the user manage the cloud system to run according to the desired schedule.The application development involved evaluation on the scheduling system, enhancement on the filter scheduler to accommodate a time schedule, and creation of the web-based user interface to manage the time schedule (in the form of a calendar).The application can restrict the OpenStacks instance deployment only on the time schedule allowed by the system administrator. In addition, the system scheduler has negligible latency (overhead), so that it will not affect the system scheduler’s performance.
Analisa Pemakaian IPv6 di Indonesia Satriautama, Daniel; Andjarwirawan, Justinus; Noertjahyana, Agustinus
Jurnal Infra Vol 3, No 2 (2015)
Publisher : Jurnal Infra

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Abstract

The development of the Internet has been growing rapidly. Almost all mobile devices using the internet as a means of communication. The Internet addressing which is still widely used is based Internet Protocol version 4 (IPv4). Since version 4 has almost run out of addresses it is time to change to Internet Protocol version 6 (IPv6). Also in 2015 Internet Protocol version 6 (IPv6) began to be held globally, thus making each country must prepare to implement these changes.This analysis aims to show information about Internet Protocol version 6 (IPv6) in Indonesia ranging from information Domain Name Server (DNS), Mail Server, Web site-based addressing and the use of version 6 in Indonesia. This analysis also provides an update in the form of graphs. This analysis also compares results obtained with data from internet. This research also shows charts about development of version 6 addressing from the year 2010 up to March 2015.Based on test results, the results of this analysis is shown in the form of a website which is divided into 3 parts, i.e. Domain Name Server (DNS), Mail Server, Web site. The features of this Website are a list of hosts that use version 6, analysis graphs to a company this list, charts the development of IPv6 chart, automatic ping when the website is opened. Tthere is a website for admins to make it easier to perform the update when needed
Pembuatan Aplikasi Perencanaan Jaringan Komputer Berbasis Android Hartono, Nico; Noertjahyana, Agustinus; Gunawan, Ibnu
Jurnal Infra Vol 3, No 2 (2015)
Publisher : Jurnal Infra

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Abstract

Technology is now growing rapidly in the world, namely smartphones, making us easy to do many things in daily life - today. The number of smartphones with Android Operating System helped us in many ways, including in the field of work. Along with the development of smartphone technology that requires a data connection, the computer network becomes a matter that needs to be developed. For the sake of ease of development of the network, the need for computer network design simulation software.This application helps in the manufacture of computer network that have personal computer components, switches and routers. IP on each component mounting aided by the function checks the correct format, subnet calculator that can help calculate IP quickly, and alsothe function of static routing on the router. This application is built using the Java programming language with the android his studio as an IDE.Results of the testing system, component in ease of application make some form of assistance filling of each object. The main canvas which has rescaling makes it easy to adapt the application with device that based on Android. The function of the switch which automatically takes the IP from each end of the interface. The search function is an automatic way data transmission and will identify existing static routing makes us also can map the data transmission device.
IMPLEMENTASI SISTEM INFORMASI PEMASARAN DENGAN TEKNOLOGI SHORT MESSAGE SERVICES PADA TRIDJAYA KARTIKA PROPERTY Setiawan, Alexander; Noertjahyana, Agustinus; Widjaya, Shandy
Seminar Nasional Informatika (SEMNASIF) Vol 1, No 5 (2009): Information System And Application
Publisher : Jurusan Teknik Informatika

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Abstract

Teknologi yang semakin canggih dan persaingan dalam dunia bisnis properti semakin ketat, menyebabkan banyak perusahaan yang bergerak dalam bidang properti berlomba-lomba untuk meraih konsumen sebanyakbanyaknya sehingga salah satu cara untuk mengatasinya ialah dengan menjalankan suatu strategi marketing yaitu membangun suatu sistem pemasaran yang berbasis web dengan fasilitas SMS pada developer Tridjaya Kartika Property. Pada makalah ini dibuatkan sebuah website pemasaran untuk Tridjaya Kartika Property yang dapat memberikan informasi penting untuk konsumen dengan sistem pencarian data properti yang mudah dan dilengkapi informasi lengkap mengenai perusahaan beserta produk properti yang ditawarkan. Website pemasaran Tridjaya Kartika Property dilengkapi sistem pengolahan data properti dan perhitungan simulasi KPR dari sebuah harga properti yang dipasarkan oleh Tridjaya Kartika Property. Selain itu website pemasaran Tridjaya Kartika Property juga dilengkapi dengan fasilitas pendukung SMS sebagai reminder jatuh tempo angsuran dan sarana promosi perusahaan sehingga dapat lebih memanjakan konsumen. Sistem pemasaran berbasis web ini dirancang menggunakan teknologi PHP versi 5.1.2, Macromedia Dreamweaver 8, dan MySQL versi 5.0.11-beta Dari hasil implementasi dan pengujian sistem pemasaran berbasis web pada developer properti Tridjaya Kartika Property, yang meliputi user guest, registered guest, administrator, dan buyer diperoleh kesimpulan bahwa website pemasaran dengan fasilitas SMS pada Tridjaya Kartika Property mampu menjawab permasalahan yang dihadapi oleh perusahaan dimana sistem dapat melakukan pencarian data properti dengan memperhatikan faktor kemudahan dan memberi informasi detail dari setiap data properti yang akan dicari, selain itu juga memberikan fitur yang telah dijelaskan pada paragraf sebelumnya sehingga dapat menunjang kinerja perusahaan agar lebih efisien dan meningkatkan kepercayaan serta memberikan kepuasan tersendiri bagi para pelanggan.
Aplikasi Sistem Informasi Administrasi Dan Inventori Berbasis Website Pada Toko Sumber Mulia Cahyadi, Renardi Dewanto; Noertjahyana, Agustinus; Gunadi, Kartika
Jurnal Infra Vol 4, No 1 (2016)
Publisher : Jurnal Infra

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Abstract

Toko Sumber Mulia is a commercial enterprise engaged in the sale of daily necessities (groceries) located at Jl. Iskandar Pertokoan Blok 10 no.2 Sampit - Central Kalimantan. The trading business requires administrative information systems that can be expected to process administrative records and stock will be easier to do and can saving time. The use of the web on the information system to function so that the owner can control the shop with ease even though you are not in the store by using a personal computer.This application is made by using PHP and MySQL Server as the database storage system. The method used in the calculation of cost of sales is by using the FIFO (First In First Out).From the results of testing of applications, indicates that the application can process data directly related to the process of buying and selling automatically. Sales report, purchase report, stock reports and income statement can be done quickly.
Co-Authors A.A. Ketut Agung Cahyawan W Agus Setiawan Suhariono Agustinus Darmawan Andilolo Albert Halim, Albert Alexander Setiawan Alvin Assianto Leiman Andreanus Agung Andreas Handojo Andrey Hariyanto Anita Nathania Purbowo Che Pee, Ahmad Naim Daniel Satriautama, Daniel Daniel Wilhenson Kuntani, Daniel Wilhenson David Harjowinoto, David Della Nova Ongkodjojo Denissa Alfiany Luhulima Devi Christiani Angir, Devi Christiani Endhy, Kezia Tiatira Fanny Febriani Santoso, Fanny Febriani Fujianto - Genadiarto, Anthony Sutera Go David Gunawan Gregorius Satia Budhi Handojo, Steven Halim Hartanto Rusli Heinrich Wiradinata Hendy Santoso Henry Novianus Palit Ibnu Gunawan Justinus Andjarwirawan Kabzar, Vladimir Kartika Gunadi Kevin Darmawan Limantoro Leo Willyanto Santoso M Zainal Arifin, M Zainal Machael Cahyadi, Machael Maulana, Sandy Yunan Michael Christian Wibisono Mohamed Asghaiyer, Asghaiyer Natanael, Theodorus Nico Hartono, Nico Ocky Mahendra Alim, Ocky Mahendra Osbert Tjitro Sampurna Palit, Henry N Paul Agustinus Praseptiawan, Mugi Raymond Adrian Hardha, Raymond Adrian Regina, Gladys O Renardi Dewanto Cahyadi, Renardi Dewanto Richard Pangalila, Richard Rosaline Debora Kusuma Rudy Adipranata Sandy Sulistio Shandy Widjaya, Shandy Silvia Rostianingsih Stien Tjiangdiono, Stien Surjo, Gregorius Maria Vianny Novita, Vianny Vincentius Aditya Nugraha Widya Ongels, Widya William Andi Pattera Yulia Yulia Zakaria, Mohd Hafiz