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A. Susilo et al. · UTAKSES case study: Advancing digital access for students living in remote

               areas without reliable internet - Universitas Terbuka, Indonesia





               Challenges

               The challenge of an o ine internet server, also known as an o ine web server or a

               disconnected network, is to provide a web-based service to users who are not
               connected to the Internet or who have limited connectivity. One of the biggest

               challenges of an o ine internet server is ensuring that users can access the
               information and services they need without an internet connection (Daryono et al.,

               2022). This requires the server to store a large amount of data and content locally,
               which can be a significant technical challenge, particularly for large or complex

               websites.

                       Another challenge is to ensure that the server remains up-to-date and
               secure, particularly if it is being used in an environment where it cannot be

               regularly updated or maintained. This requires careful planning and management

               to ensure that the server is running the latest software and security patches and
               that any potential vulnerabilities are addressed as soon as possible.

                       Finally, an o ine internet server may also face challenges in terms of
               scalability, particularly if the number of users accessing the server increases over

               time. This requires careful planning and resource management to ensure that the
               server can handle the increased load without compromising performance or

               availability.

                       In terms of the local hotspot infrastructure, the substantial problem in
               determining what server should be used is ensuring that the server setup is

               su cient to handle the desired workload and access point. The specifications of
               the processor used can vary depending on the load to be handled. For a small

               number of students, an arm processor machine such as a Raspberry Pi 3 or 4 can be

               used. The Raspberry Pi 3 has the lowest capability. A Mini PC mobile processor with
               8 GB of RAM is the most reliable to serve about 150 concurrent users. Some tips to

               make the mini PC servers work:



                       ●  Where images, videos, documents, etc. are not on Moodle servers but are

                          elsewhere, for example on YouTube, Google Drive, etc., setting up its






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