Modern IBM i engineering

Modern IBM i engineering for the next era.

Era of i is a practical knowledge hub for IBM i teams working with RPG, Db2 for i, APIs, DevOps, security, monitoring, automation, and modernization.

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New to Era of i?

Start with the core idea: IBM i modernization should preserve proven business logic while improving the engineering practices around it.

Read the foundation article

Why modernization does not have to mean rewriting RPG or replacing what already works.

Explore IBM i articles

Browse practical content on RPG, Db2 for i, APIs, DevOps, security, monitoring, automation, and modernization.

Understand the mission

Learn why Era of i exists and what kind of IBM i content is coming next.

What we cover

Practical knowledge from across the IBM i ecosystem.

Era of i focuses on real-world IBM i development, modernization, integration, security, and operations — not theory alone.

Programming & Db2

RPG, SQLRPGLE, CL, Db2 for i, embedded SQL, data queues, stored procedures, and practical development patterns.

APIs & Integration

Exposing existing IBM i logic through APIs, integrating with modern systems, and designing reliable service layers around proven business logic.

DevOps & Modern Development

Git, VS Code, TOBi, automated builds, branch strategy, deployment flows, promotion controls, and IBM i-friendly engineering practices.

Security & Monitoring

QAUDJRN, QSYSOPR, QHST, job monitoring, audit visibility, data protection, encryption, masking, and operational alerting.

Programming lessons

Short, practical IBM i lessons are coming to Era of i.

Focused examples for RPG, SQLRPGLE, Db2 for i, APIs, DevOps, security, monitoring, and modern IBM i development.

The first lessons will cover the July 2026 RPG enhancements, starting with ASSERT-T and ASSERT-F.

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When One API Isn't One Program: The Hard Part of Contract Fidelity on IBM i

A REST endpoint on IBM i rarely maps to a single program. This article examines how contract fidelity becomes a distributed problem across RPG call chains, behavioral drift, and external services.

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IBM i APIs & Integration

The first Era of i article sets the foundation: modernization should preserve proven IBM i business logic while improving APIs, DevOps, security, monitoring, and delivery practices.

The mission

Respect the platform. Preserve the business logic. Modernize the engineering around it.

IBM i should not be treated like an old system waiting to be replaced. It can be treated like a strong enterprise platform entering its next era.

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Want to write for Era of i?

Era of i welcomes practical IBM i articles from developers, architects, administrators, technical leads, and modernization professionals.

Share real-world knowledge around RPG, SQLRPGLE, Db2 for i, APIs, Git, DevOps, security, monitoring, automation, and modernization.

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