ACS 1.1.9.14: why this update cannot wait
IBM has released an ACS update closing known vulnerabilities. Why it cannot be postponed and how to check the installed version.
IBM i / AS400
Resources for IBM i
Technical articles, guides and utilities for people working on IBM i and AS/400. The tools run in the browser, with nothing to install.
Try the tool
Processing happens in the browser. No registration is required and no data is transmitted.
Tools ready to use
IBM i utilities: EBCDIC conversion, date formats, packed and zoned decimal, data reading. They run in the browser, with no installation.
12607272026-07-27
123.4512 34 5C
C1 C2 C3ABC
Guides
Complete treatments of a topic, split into chapters and kept up to date. Each guide states the date of the last review and the IBM i release it was verified against.
- Programming on IBM i: sources, ILE, RPG and SQL
- Administering an IBM i: how the system works
Recipes
Short solutions to recurring problems, with ready-to-use code and the caveats to consider before running it in production.
Recipes →Reference
CL commands with the abbreviation spelled out, CPF and SQLCODE messages with the most frequent cause, IBM i Services with the corresponding command. Searchable lists.
Reference →Software
Editor extensions, programs and command line tools useful for IBM i work. Unlike the tools on this site, which run in the browser, these are installed on your computer or on the system.
Software →IBM i releases
End of support dates for IBM i releases, contents of each version, and known incompatibilities introduced at each upgrade.
Is your release still supported? →Jobs
IBM i and AS/400 job listings, and people making themselves available. Every entry is reviewed before it appears and expires automatically.
Jobs →Latest articles
All articles →Turning on the audit journal and reading it with SQL
QAUDJRN is not on by default and cannot be enabled retroactively. The command to turn it on, the functions to query it, and the library they live in.
What the IBM i MCP server is: An agent that queries Db2
IBM has published an open source bridge between AI agents and Db2 for i. What it actually does, what it takes to run, and what authority it works with.
Project4i: what if sources had a project?
On IBM i there is no such thing as a project: there are libraries, full stop. Project4i adds one on top of Code for IBM i — free, MIT, inside VS Code. I looked at it closely and it won me over.