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My Learning About Password Hashing After Moving Beyond Bcrypt (Mon, 16 Feb 2026)
For a long time, I thought I had password hashing figured out. Like many Java developers, I relied on bcrypt, mostly because it’s the default choice in Spring Security. It was easy to use, widely recommended, and treated in tutorials as "the secure option." I plugged it in, shipped features, and moved on.
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Automatic Data Correlation: Why Modern Observability Tools Fail and Cost Engineers Time (Mon, 16 Feb 2026)
When a production issue hits, it starts a race to find the data that shows you what went wrong. And in many engineering organizations, the data search takes longer than understanding what the bug is — or coding the fix itself. This is what I call the “correlation problem”: the information you need to debug an issue exists, but it’s scattered across multiple tools, systems, and log files.
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Breaking the Vendor Lock in Network Automation: A Pure Python Architecture (Mon, 16 Feb 2026)
In the world of Infrastructure as Code (IaC), servers are a solved problem. We spin up thousands of VMs with a single script. But the network layer? That often remains a manual bottleneck. The reason is the “Multi-Vendor Trap.” Enterprise networks are rarely homogeneous. They are a patchwork of routers, switches, and load balancers from different vendors (Cisco, Juniper, F5), each with its own proprietary CLI syntax. This fragmentation makes standard automation difficult, leading to long lead times (often weeks) just to open a VLAN or update a firewall rule.
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Stop Fine-Tuning for Everything: A Decision Tree for RAG vs Tuning vs Tools (Mon, 16 Feb 2026)
I used to treat fine-tuning like the “grown-up” step in an LLM project. Prototype with prompts → hit a problem → fine-tune it.
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DevOps Cafe Podcast

DevOps Cafe Ep 79 - Guests: Joseph Jacks and Ben Kehoe (Mon, 13 Aug 2018)
Triggered by Google Next 2018, John and Damon chat with Joseph Jacks (stealth startup) and Ben Kehoe (iRobot) about their public disagreements — and agreements — about Kubernetes and Serverless. 
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DevOps Cafe Ep 78 - Guest: J. Paul Reed (Mon, 23 Jul 2018)
John and Damon chat with J.Paul Reed (Release Engineering Approaches) about the field of Systems Safety and Human Factors that studies why accidents happen and how to minimize the occurrence and impact. Show notes at http://devopscafe.org
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DevOps Cafe Ep. 77 - Damon interviews John (Wed, 20 Jun 2018)
A new season of DevOps Cafe is here. The topic of this episode is "DevSecOps." Damon interviews John about what this term means, why it matters now, and the overall state of security.  Show notes at http://devopscafe.org
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