RACHEL-Pi の深堀り

[mapconcierge]

RACHEL の普及状況（2024/11/27現在）

Source: [https://datapost.site/](https://datapost.site/)

RACHEL-Pi は RACHELサーバシリーズのひとつ

• 2014年前後に実装
• それまでは専用端末の
• グアテマラでの実装例あり
• 最新の RACHEL5 は RaspberryPi 5 なのか？？(未確認)
• アクセスポイントは TP-Link を活用している模様？ *

バンドルコンテンツについて

バンドルコンテンツに地理空間情報データセットはない？？

→ 今後、UNVT Portable で整備したデータセットを提供することもできるのでは？？？

参考資料

• https://www.raspberrypi.com/news/rachel-pi-delivering-education-worldwide/
• https://worldpossible.org/

[mapconcierge]

RACHEL 5 Specification

Overview

RACHEL (Remote Area Community Hotspot for Education and Learning) 5 is a portable server designed for use in offline schools, community centers, health centers, or places of learning worldwide where internet access is unavailable or limited. It is used by hundreds of partner organizations in over 40 countries.

---

Specifications

Hardware

• Processor: Not explicitly stated, supports efficient operation for offline educational tools.
• Memory (RAM): 8 GB (upgraded from previous 3 GB).
• Storage Options:
  • Base: 440 GB SSD
  • Optional:
    • 880 GB SSD (+$150)
    • 1,760 GB SSD (+$250)
• Wi-Fi Module: Updated card with extended range, supporting up to 20-50 simultaneous users.
• Battery: Lithium-Ion battery with 5+ hours of runtime.
• Cooling: Integrated cooling plate.
• Operating System: Ubuntu 16 (64-bit; OS cannot currently be changed).
• Ports:
  • Not explicitly detailed in the specification but includes essentials for offline content access.

---

Features

• User Capacity:
  • Up to 50 users for mixed-media usage.
  • Up to 20 simultaneous video streams.
• Teacher Portal:
  • Password-protected for secure file uploads (e.g., PDFs, movies).
• Remote Access: Supports remote updates when connected to the internet.
• Content Management:
  • Preloaded with curated content depending on the primary language chosen.
  • Customizable content libraries based on deployment needs.
• Durability: Designed for offline use, not suitable for continuous industrial-grade usage (e.g., 24/7 plugged-in operation).

---

Use Cases

1. Offline Schools: Provides offline access to global educational content.
2. Community Centers: Offers resources for public learning and community development.
3. Healthcare Centers: Serves as a tool for health education and outreach programs.
4. Justice and Prisons: Supports education in correctional facilities with dedicated "Justice" content packages.

---

Available Content Packages

• English: 1 TB or larger.
• Spanish: 500 GB or larger.
• French: 500 GB or larger.
• Justice (Prisons): 1 TB or larger.

---

Additional Options

• Add-ons:
  • Used laptops and charging box (10-pack) (+$750).
  • Additional international power supply (+$25).
• Warranty:
  • 90-day replacement warranty (included).
  • 2-year warranty (+$149).
  • 3-year warranty (+$249).

---

Important Notes

• This is not an industrial-grade device; avoid continuous power connection (24/7 usage).
• Extended Wi-Fi range suitable for small to medium deployment areas.
• Battery life allows for flexible use in locations without reliable power sources.

---

Resources and Support

• Quick Start Guide for RACHEL-Plus
• Teacher's Guide: Using RACHEL Content for Learning
• Facilitator's Guide: Using RACHEL for Learning
• Content Library
• Technical Support Forums
• Deployment Wiki

---

Pricing

• Base price: $500 (with 440 GB SSD).
• Additional storage and warranty options available at extra cost.

---

Shipping

• Free shipping within the U.S.
• International orders require handling duties, import fees, and VAT.

[mapconcierge]

RACHEL-Plus 2.0 Specification

Overview

RACHEL-Plus 2.0 is a cost-effective, portable offline server designed for schools, community centers, and other learning environments where internet access is unavailable or limited. Although it offers fewer features than later models, it remains a reliable option for basic offline educational deployments.

---

Specifications

Hardware

• Processor: Not explicitly specified.
• Memory (RAM): 4 GB.
• Storage: Content capacity is approximately half of RACHEL-Plus 4.0 (likely ~250GB based on content size comparison).
• Wi-Fi Module: Single Wi-Fi chip with standard range and features.
• Battery: 5+ hours of runtime on a single charge.
• Operating System: Ubuntu 14 (64-bit; cannot be updated).
• Ports: Limited port details available, but supports content uploading via teacher portal.

---

Features

• User Capacity:
  • Supports 10-20 simultaneous users.
  • Up to 10 users streaming video simultaneously.
• Content Management:
  • Preloaded with a reduced amount of curated content compared to newer models.
  • Includes a password-protected teacher portal for uploading PDFs, movies, and other educational materials.
• Remote Updates: Updates are possible when connected to the internet.
• Durability: Designed for offline use, not suitable for continuous 24/7 operation.
• Wi-Fi Range: Standard range suitable for small-scale deployments.

---

Use Cases

1. Cost-Effective Offline Education:
   • Ideal for low-budget deployments in schools and community centers.
2. Temporary Deployments:
   • Suitable for short-term projects or pilot programs due to hardware limitations.

---

Limitations

• Hardware supply is limited; once sold out, it will no longer be available.
• Not recommended for long-term deployment strategies.
• Cannot support industrial-grade usage (e.g., 24/7 operation).
• Older software (Ubuntu 14) with no capability for updates.

---

Important Notes

• This device is intended as a budget-friendly solution and should not be considered for projects requiring scalability or long-term support.
• Extended Wi-Fi range allows moderate deployment coverage.
• 5-hour battery life provides flexibility for use in areas without reliable power sources.

---

Pricing

• Base price: $199.

---

Resources and Support

• Quick Start Guide for RACHEL-Plus
• Teacher's Guide: Using RACHEL Content for Learning
• Facilitator's Guide: Using RACHEL for Learning
• Content Library
• Technical Support Forums

---

Shipping

• For international orders, buyers are responsible for duties, import fees, and VAT.
• Orders ship within one week of purchase unless otherwise noted.

---

Conclusion

RACHEL-Plus 2.0 is a viable solution for those prioritizing cost over advanced features. While limited in capacity and scalability, it remains a powerful tool for basic educational use in offline environments.

[mapconcierge]

https://community.worldpossible.org/t/2022-rachel-pi-images/1294?utm_source=chatgpt.com

RACHEL-Pi Images (2022)

Overview

RACHEL-Pi continues to receive community support with updated images and experimental features, despite reduced official activity. Below is the latest information and resources as of 2022.

---

Latest Downloads

Stable Images (32-bit)

• rachel-pi_09_06_2021
  • Usage: General-purpose 32-bit image for Raspberry Pi 3B+.
  • Downloads: 277
• rachel-pi_10_18_2021-3B.zip
  • Usage: Specifically optimized for Raspberry Pi 3B devices.
  • Downloads: 196

Test Images (32-bit)

• rachel-pi-10_01_2022.zip
  • Status: Test image for advanced users.
  • Downloads: 50

Experimental Images (64-bit)

• rachel-pi-09_06_2021_64bit
  • Status: Experimental; not recommended for production.
  • Downloads: 123

---

Important Notes

• Compatibility:
  • Use the 3B+ image for Raspberry Pi 3B devices.
  • 64-bit images are experimental; 32-bit images are recommended for stability.
• Module Support:
  • Modules such as en-moodle, en-file_share, en-kolibri-index, en-ka-lite, and older Kiwix modules (e.g., Wikipedia) are not supported when downloaded separately.
  • However, en-file_share and en-kolibri-index are pre-included in the images.
• Connection Limit: Default configuration supports up to 8 users without additional hardware (e.g., external Wi-Fi router or USB Wi-Fi adapter).

---

Tutorials

1. Installing RACHEL-Pi
   • Views: 368
2. Installing Modules
   • Views: 237

---

Support

• For help, bug reports, or suggestions:
  • Open a thread in the RACHEL-Pi section of the forums.
• For older images:
  • Access the World Possible FTP: ftp://dev.worldpossible.org
  • Login: anonymous
  • Folder: /other/old/
  • Note: Older images may contain bugs; it is recommended to use the latest image.

---

Summary

RACHEL-Pi remains a useful offline educational platform with continued community support. While stable 32-bit images are the recommended choice, experimental 64-bit images are available for testing.

---

Archives

• 02_Installing_Modules.pdf
• 01_installing_rachel_pi.pdf
• Image File