Created: 2018-10-07T18:12+09:00
Last modified: 2019-01-02T02:32+09:00

On this website, open source programs are used for all programs.
Thanks to everyone who developed such a wonderful program!

Nearly all services are managed by the server owned by the administrator.

For the application mail server only, we use the following server.

Mail hosted by

Physical Machine (Web)

Windows 10 Pro

Intel Core i5-6500

DDR4-2133 32GB (Team DDR4-2400 16GB x2)

TOSHIBA 128GB MLC SSD (OS)

Silicon Power 120GB MLC SSD (VM-Data)

Samsung TLC SSD 750 EVO 250GB (Media-Data)

TOSHIBA 7,200rpm 3TB HDD x2 (Storage)

KDDI Optical 1G (IPv4/IPv6 Dualstack)

Physical Machine (DB)

CentOS 7

Intel Core 2 Duo E7600

DDR2-667 4GB (RAMAXEL DDR2-667 2GB x2)

60GB (Dogfish 60GB SSD)

1Gbps

Physical Machine (Elasticsearch)

CentOS 7

Intel Atom 230

DDR2-533 2GB (SK Hynix DDR2-667 2GB)

60GB (Dogfish 60GB SSD)

1Gbps

Physical Machine (VPN / NTP / pub-relay)

CentOS 7

Intel Atom Z3735F

DDR3L-1333 1GB

24GB (8GB eMMC + ELECOM 16GB microSDHC)

100Mbps

Virtual Host (Web-GW)

CentOS 7 (Virtualization on Microsoft Hyper-V)

v2-Core

Variable (Max. 2GB)

50GB (VHDX)

Global: Max. 500Mbps / Local: 10Gbps

Virtual Host (Web-App)

CentOS 7 (Virtualization on Microsoft Hyper-V)

v2-Core

Variable (Max. 4GB)

50GB (VHDX)

Global: 1Gbps / Local: 10Gbps

Virtual Host (Mastodon)

CentOS 7 (Virtualization on Microsoft Hyper-V)

v2-Core

Variable (Max. 4GB)

50GB (VHDX)

Global: 1Gbps / Local: 10Gbps

Virtual Host (Misskey)

CentOS 7 (Virtualization on Microsoft Hyper-V)

v2-Core

Variable (Max. 4GB)

50GB (VHDX)

Global: 1Gbps / Local: 10Gbps

Virtual Host (Node.js App)

CentOS 7 (Virtualization on Microsoft Hyper-V)

v2-Core

Variable (Max. 2GB)

50GB (VHDX)

Global: 1Gbps / Local: 10Gbps

Middleware

Web Server (H2O / Apache 2.4)

DB Server (MariaDB 10, PostgreSQL 10, MongoDB, Redis, Elasticsearch)

VPN Server (SoftEther VPN)

NTP Server (Chrony)

Object Storage (Minio)

Program Lang (Perl, PHP 5.6 / 7.1 / 7.3, Python 2, Node.js 11)

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Except for some websites, we have adopted Koruri Font.
Since it uses it as a Web font, the same font is displayed from any environment.

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