https://khaqanshaheen.com/ ERP, AI in production, infrastructure and IT leadership, written by Khaqan Shaheen, Head of IT in Dubai. en https://khaqanshaheen.com/notes/why-every-ai-agent-i-run-sits-behind-a-human-queue.html https://khaqanshaheen.com/notes/why-every-ai-agent-i-run-sits-behind-a-human-queue.html Tue, 08 Sep 2026 06:00:00 +0400 Because a language model is confidently wrong in a way a scanner never is, every agent I run creates records for a person to check and none of them post or pay. Note https://khaqanshaheen.com/notes/why-i-published-my-case-studies-without-numbers.html https://khaqanshaheen.com/notes/why-i-published-my-case-studies-without-numbers.html Tue, 08 Sep 2026 06:00:00 +0400 Because a number I cannot show how I measured is worse than no number; the scope is honest, and measured figures will be added once I have measured them. Note https://khaqanshaheen.com/articles/why-i-extended-one-erp-instead-of-buying-a-second-system.html https://khaqanshaheen.com/articles/why-i-extended-one-erp-instead-of-buying-a-second-system.html Tue, 08 Sep 2026 06:00:00 +0400 A second manufacturing system means a second set of records and an interface to maintain forever; extending one Odoo instance kept six sites on one set. Article https://khaqanshaheen.com/notes/what-running-my-own-venture-taught-me-about-corporate-it.html https://khaqanshaheen.com/notes/what-running-my-own-venture-taught-me-about-corporate-it.html Tue, 08 Sep 2026 06:00:00 +0400 Paying the bill yourself, watching what customers do on a booking page, a pipeline that stops silently and search traffic answering back changed how I run IT. Note https://khaqanshaheen.com/notes/what-ocr-gets-wrong-on-supplier-bills.html https://khaqanshaheen.com/notes/what-ocr-gets-wrong-on-supplier-bills.html Tue, 08 Sep 2026 06:00:00 +0400 OCR on supplier bills fails on handwritten totals, stamps over numbers, multi-page bills, duplicates and currency; the fix is validation and a review queue. Note https://khaqanshaheen.com/notes/what-i-check-the-week-before-a-factory-opens.html https://khaqanshaheen.com/notes/what-i-check-the-week-before-a-factory-opens.html Tue, 08 Sep 2026 06:00:00 +0400 Two links with a tested failover, the company and warehouse in the ERP with local tax and numbering, printers on the floor, users logged in once, and a restore. Note https://khaqanshaheen.com/notes/the-month-end-test-for-erp-health.html https://khaqanshaheen.com/notes/the-month-end-test-for-erp-health.html Tue, 08 Sep 2026 06:00:00 +0400 If six sites can close the month from the same ERP records without a spreadsheet, the ERP is healthy; a spreadsheet at month end means a record is missing. Note https://khaqanshaheen.com/articles/replacing-local-passwords-with-single-sign-on-in-a-mid-sized-group.html https://khaqanshaheen.com/articles/replacing-local-passwords-with-single-sign-on-in-a-mid-sized-group.html Tue, 08 Sep 2026 06:00:00 +0400 Identity first, then the application's own access model, then monitoring. That order moved a six-site group onto Google Workspace SSO with two factor. Article https://khaqanshaheen.com/tutorials/reading-supplier-bills-into-an-erp-with-an-llm-ocr-pipeline.html https://khaqanshaheen.com/tutorials/reading-supplier-bills-into-an-erp-with-an-llm-ocr-pipeline.html Tue, 08 Sep 2026 06:00:00 +0400 Design a supplier bill OCR pipeline with a vision model, strict JSON, validation rules, a review queue, idempotency and honest monthly accuracy checks. Tutorial https://khaqanshaheen.com/tutorials/odoo-stop-two-work-orders-booking-the-same-machine.html https://khaqanshaheen.com/tutorials/odoo-stop-two-work-orders-booking-the-same-machine.html Tue, 08 Sep 2026 06:00:00 +0400 Add a server-side overlap constraint to Odoo 17 work orders, back it with a PostgreSQL exclusion constraint, and give planners a drill-through to the clashes. Tutorial https://khaqanshaheen.com/tutorials/how-to-write-an-llms-txt-for-a-business-website.html https://khaqanshaheen.com/tutorials/how-to-write-an-llms-txt-for-a-business-website.html Tue, 08 Sep 2026 06:00:00 +0400 An llms.txt is a short Markdown map of your site at /llms.txt with an H1, a one-line summary and linked sections. Here is the format and a full worked example. Tutorial https://khaqanshaheen.com/tutorials/check-whether-chatgpt-perplexity-and-google-ai-overviews-can-read-your-website.html https://khaqanshaheen.com/tutorials/check-whether-chatgpt-perplexity-and-google-ai-overviews-can-read-your-website.html Tue, 08 Sep 2026 06:00:00 +0400 Read robots.txt for GPTBot, OAI-SearchBot and PerplexityBot, fetch your homepage with curl as each bot, check the raw HTML, or run one Python audit script. Tutorial https://khaqanshaheen.com/tutorials/google-workspace-single-sign-on-for-odoo-and-two-factor-authentication.html https://khaqanshaheen.com/tutorials/google-workspace-single-sign-on-for-odoo-and-two-factor-authentication.html Tue, 08 Sep 2026 06:00:00 +0400 Configure Google sign-in for Odoo 17 with auth_oauth, enforce 2-Step Verification in Workspace, map groups to job roles and keep a break-glass admin. Tutorial https://khaqanshaheen.com/articles/five-ai-systems-in-production-what-breaks-when-nobody-is-watching.html https://khaqanshaheen.com/articles/five-ai-systems-in-production-what-breaks-when-nobody-is-watching.html Tue, 08 Sep 2026 06:00:00 +0400 Connections drop, inputs drift and confident wrong answers get through. Running five AI systems in daily production taught me the rules that keep them safe. Article https://khaqanshaheen.com/articles/bringing-a-new-factory-online-the-order-of-operations.html https://khaqanshaheen.com/articles/bringing-a-new-factory-online-the-order-of-operations.html Tue, 08 Sep 2026 06:00:00 +0400 Cabling and circuits first, then security, ERP, identity, telephony and site devices. The sequence that puts a new factory on group systems from opening day. Article https://khaqanshaheen.com/tutorials/whatsapp-ai-sales-agent-that-hands-leads-to-your-erp.html https://khaqanshaheen.com/tutorials/whatsapp-ai-sales-agent-that-hands-leads-to-your-erp.html Tue, 08 Sep 2026 06:00:00 +0400 A WhatsApp webhook, a session store keyed by phone, a model with four tools, a catalogue it cannot contradict, a hand-off rule and a lead created in Odoo. Tutorial https://khaqanshaheen.com/articles/a-postgresql-upgrade-nobody-was-allowed-to-notice.html https://khaqanshaheen.com/articles/a-postgresql-upgrade-nobody-was-allowed-to-notice.html Tue, 08 Sep 2026 06:00:00 +0400 Rehearse on a copy of production, keep a rollback inside the window, move one site at a time. PostgreSQL 9.5 to 16 with no unplanned downtime at any site. Article https://khaqanshaheen.com/tutorials/zero-unplanned-downtime-postgresql-major-upgrade-checklist.html https://khaqanshaheen.com/tutorials/zero-unplanned-downtime-postgresql-major-upgrade-checklist.html Tue, 08 Sep 2026 06:00:00 +0400 Upgrade a production PostgreSQL database to 16 using logical replication, a rehearsed cutover and a rollback window, then rebuild backups and monitoring. Tutorial