Hitachi OSPO Advent Calendar 2025

10 participant

13 followers

19 likes

Category：Organization

株式会社日立製作所　Hitachi OSPO

社内でのOSS活用推進や、OSSコミュニティ活動などを行っています。

日立のOSPOが主催するアドベントカレンダーです。OSSについて語ります。

How to join the calendar

You can join the calendar by selecting an available date and registering the URL of the article you wish to link to. If a slot is available, you can go back to a past date to join!

Series 1

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
30	@hrttthr いろいろな認証認可サーバーのメタデータを比較してみた Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@makihh プラットフォームエンジニアリングではIngressではなくGateway APIを検討した方が良い理由 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@k-enomoto-oss KeycloakのRealm設定のファイルの比較 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@makihh KuadrantではじめるGateway APIのセキュアバイデフォルト Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
	@bucchi76 Device Bound Session Credentials(DBSC)をNGINXで実装してみた Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use				@sigmalist AWSにおけるOpenShiftプライベートクラスタの構築 (OCP v4.20編) Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@sigmalist OpenShiftにStreams for Apache Kafka (Strimzi) をデプロイする Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
		@Michito-Okai 何か書く Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tkurosaka Local LLMについて書きます① Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tkurosaka Local LLMについて書きます② Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kzk-masa 何か書く Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@sigmalist Streams for Apache Kafka Console (Kafkaコンソール) をデプロイする Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@sigmalist Streams for Apache Kafka (Strimzi) の認証・認可 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@chacco38 Cloud Custodianについて何か書きます Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@chacco38 OpenCostについて何か書きます Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use		@yuichi-nakamura OSPO設立を振り返る何か Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26	27

@hrttthr
いろいろな認証認可サーバーのメタデータを比較してみた
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@makihh
プラットフォームエンジニアリングではIngressではなくGateway APIを検討した方が良い理由
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@k-enomoto-oss
KeycloakのRealm設定のファイルの比較
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@makihh
KuadrantではじめるGateway APIのセキュアバイデフォルト
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@bucchi76
Device Bound Session Credentials(DBSC)をNGINXで実装してみた
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@sigmalist
AWSにおけるOpenShiftプライベートクラスタの構築 (OCP v4.20編)
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@sigmalist
OpenShiftにStreams for Apache Kafka (Strimzi) をデプロイする
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@Michito-Okai
何か書く
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@tkurosaka
Local LLMについて書きます①
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@tkurosaka
Local LLMについて書きます②
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@kzk-masa
何か書く
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@sigmalist
Streams for Apache Kafka Console (Kafkaコンソール) をデプロイする
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@sigmalist
Streams for Apache Kafka (Strimzi) の認証・認可
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@chacco38
Cloud Custodianについて何か書きます
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@chacco38
OpenCostについて何か書きます
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@yuichi-nakamura
OSPO設立を振り返る何か
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
30	@hrttthr いろいろな認証認可サーバーのメタデータを比較してみた Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@makihh プラットフォームエンジニアリングではIngressではなくGateway APIを検討した方が良い理由 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@k-enomoto-oss KeycloakのRealm設定のファイルの比較 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@makihh KuadrantではじめるGateway APIのセキュアバイデフォルト Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
	@bucchi76 Device Bound Session Credentials(DBSC)をNGINXで実装してみた Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use				@sigmalist AWSにおけるOpenShiftプライベートクラスタの構築 (OCP v4.20編) Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@sigmalist OpenShiftにStreams for Apache Kafka (Strimzi) をデプロイする Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
		@Michito-Okai 何か書く Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tkurosaka Local LLMについて書きます① Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tkurosaka Local LLMについて書きます② Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kzk-masa 何か書く Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@sigmalist Streams for Apache Kafka Console (Kafkaコンソール) をデプロイする Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@sigmalist Streams for Apache Kafka (Strimzi) の認証・認可 Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@chacco38 Cloud Custodianについて何か書きます Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@chacco38 OpenCostについて何か書きます Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use		@yuichi-nakamura OSPO設立を振り返る何か Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26	27

@hrttthr
いろいろな認証認可サーバーのメタデータを比較してみた
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@makihh
プラットフォームエンジニアリングではIngressではなくGateway APIを検討した方が良い理由
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@k-enomoto-oss
KeycloakのRealm設定のファイルの比較
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@makihh
KuadrantではじめるGateway APIのセキュアバイデフォルト
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@bucchi76
Device Bound Session Credentials(DBSC)をNGINXで実装してみた
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@sigmalist
AWSにおけるOpenShiftプライベートクラスタの構築 (OCP v4.20編)
Articles registered in the organization calendar can also be registered in other calendars! 🚀 See details here
Overwrite
Title
URL
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@sigmalist
OpenShiftにStreams for Apache Kafka (Strimzi) をデプロイする
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@Michito-Okai
何か書く
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@tkurosaka
Local LLMについて書きます①
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@tkurosaka
Local LLMについて書きます②
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@kzk-masa
何か書く
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@sigmalist
Streams for Apache Kafka Console (Kafkaコンソール) をデプロイする
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@sigmalist
Streams for Apache Kafka (Strimzi) の認証・認可
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@chacco38
Cloud Custodianについて何か書きます
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@chacco38
OpenCostについて何か書きます
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@yuichi-nakamura
OSPO設立を振り返る何か
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Hitachi OSPO Advent Calendar 2025

株式会社 日立製作所 Hitachi OSPO

edit_calendarHow to join the calendar

Series 1

株式会社日立製作所　Hitachi OSPO

How to join the calendar