Daniel Oh @danieloh30.bsky.social · 5hQuarkus 3.40 LTS - new LTS version quarkus.io/blog/quarkus... via @quarkusioquarkus.ioQuarkus 3.40 LTS - new LTS versionWe released Quarkus 3.40 LTS, our new LTS version. 000
Daniel Oh @danieloh30.bsky.social · 11hdevelopers.redhat.com/articles/202...developers.redhat.comHow we cut CI failure triage from hours to minutes using AI | Red Hat DeveloperImplement enterprise-wide automation with Pipeline Failure Analyzer: AI-powered CI/CD failure diagnosis. 000
Daniel Oh @danieloh30.bsky.social · 11hdevelopers.redhat.com/articles/202...developers.redhat.comRed team your AI model with garak | Red Hat DeveloperLearn how to use garak, an open source LLM vulnerability scanner developed by NVIDIA, to perform red teaming on AI models. 010
Daniel Oh @danieloh30.bsky.social · 11hdevelopers.redhat.com/articles/202...developers.redhat.comDistributed training on OpenShift AI 3.4 with Kubeflow Trainer v2 | Red Hat DeveloperLearn how to simplify distributed training with Kubeflow Trainer 2 on OpenShift AI by replacing framework-specific CRDs with a unified TrainJob resource. 000
Daniel Oh @danieloh30.bsky.social · 29/09/2026The case for a cloud native agent harness www.cncf.io/blog/2026/09... #cncf via @CloudNativeFDNcncf.ioThe case for a cloud native agent harnessCoding agents became useful when they stopped being a chat box. Four things changed the shape of the problem: capable tools, a shared repository and filesystem, subagents, and skills that capture what... 011
Daniel Oh @danieloh30.bsky.social · 28/09/2026View my verified achievement from @linuxfoundation. www.credly.com/badges/0761e... via @credlycredly.comAGNTCon + MCPCon Japan 2026 Speaker Badge was issued by The Linux Foundation to Daniel Oh.Earners of this badge are speakers, selected by the Program Committee, who have provided thought-leadership and shared best practices with attendees during their talk(s) at AGNTCon + MCPCon Japan 2026... 000
Daniel Oh @danieloh30.bsky.social · 25/09/2026developers.redhat.com/articles/202...developers.redhat.comManaging edge solutions with Red Hat: A layered approach | Red Hat DeveloperLearn how to manage edge computing at scale with Red Hat solutions for secure, consistent operations across distributed environments. 000
Daniel Oh @danieloh30.bsky.social · 25/09/2026developers.redhat.com/articles/202...developers.redhat.comBuild golden path CI/CD workflows in Red Hat Developer Hub | Red Hat DeveloperLearn how to author Red Hat Developer Hub golden path templates to scaffold Go microservices and monitor Tekton, Argo CD, and Quay in a unified portal. 000
Daniel Oh @danieloh30.bsky.social · 25/09/2026Security Slam 2026 – Fall edition www.cncf.io/blog/2026/09... #cncf via @CloudNativeFDNcncf.ioSecurity Slam 2026 – Fall editionThe Open Source Security Foundation (OpenSSF) is partnering with the Cloud Native Computing Foundation (CNCF) Security Technical Advisory Group (TAG Security) to support the 2026 Security Slam at… 000
Daniel Oh @danieloh30.bsky.social · 24/09/2026Day 1 at WeAreDevelopers just kicked off😎😎 Look forward to catching up with Java and AI developers this week💪💪 Eric Deandrea Ignacio Riesgo 010
Daniel Oh @danieloh30.bsky.social · 24/09/2026Static thresholds for canary rollouts are officially brittle. Don't let standard Prometheus queries cause alert fatigue. Join me TODAY at 10:20 AM on Stage 2 at #WeAreDevelopers NA! 000
Daniel Oh @danieloh30.bsky.social · 24/09/2026developers.redhat.com/articles/202...developers.redhat.comSelf-encrypting VM images for confidential environments hands on | Red Hat DeveloperLearn how to create a self-encrypting VM image using Fedora Rawhide for data protection in runtime with AMD's SEV-SNP and Intel's TDX technologies. 000
Daniel Oh @danieloh30.bsky.social · 24/09/2026developers.redhat.com/articles/202...developers.redhat.comScaling GitOps: The "pull" architecture for global fleets | Red Hat DeveloperFind out the results of a performance test that assessed how the Argo CD Agent pull architecture scales to robust enterprise requirements. 000
Daniel Oh @danieloh30.bsky.social · 24/09/2026Quarkus 3.39.5 - Maintenance release quarkus.io/blog/quarkus... via @quarkusioquarkus.ioQuarkus 3.39.5 - Maintenance releaseQuarkus is a Java framework for building fast, efficient, cloud-native applications. It is Kubernetes-native, supports JVM and native executable deployments, provides live reload and delightful develo... 000
Daniel Oh @danieloh30.bsky.social · 23/09/2026Java is essential for the future of AI-native enterprise platforms. ☕️🚀Join my upcoming session: "Building Intelligent Enterprise Agents: Agent Patterns, MCP, and the Future of AI Native Design" at 2 pm today at #AIContext #AIAgents #ModelContextProtocol #EnterpriseAI #SoftwareArchitecture 020
Daniel Oh @danieloh30.bsky.social · 23/09/2026developers.redhat.com/articles/202...developers.redhat.comHow I massively improved my AI inference performance without buying new hardware | Red Hat DeveloperOptimize LLM inference performance with a 71% latency reduction on NVIDIA H200 GPUs. Learn how to cut TTFT from 995ms to 287ms with smarter request routing. 000
Daniel Oh @danieloh30.bsky.social · 23/09/2026developers.redhat.com/articles/202...developers.redhat.comBuild OpenJDK container images locally using the standalone S2I tool | Red Hat DeveloperMaster Java container builds with the S2I standalone toolkit and OpenShift BuildConfigs. Explore code examples, custom runtime scripts, and certificate options. 000
Daniel Oh @danieloh30.bsky.social · 22/09/2026developers.redhat.com/articles/202...developers.redhat.comScaling localnet user-defined networks (CUDNs) in Red Hat OpenShift to 3,500 networks | Red Hat DeveloperBoost Red Hat OpenShift performance with 3,500 Localnet CUDNs: Learn how to scale networks and reduce control plane overhead. 000
Daniel Oh @danieloh30.bsky.social · 22/09/2026developers.redhat.com/articles/202...developers.redhat.comAI threat modeling shouldn't be a bottleneck, so we open sourced ours | Red Hat DeveloperLearn about Red Hat's open-source AI-assisted threat modeling tool, agentic-threat-modeling, for faster, more efficient code security. 000
Daniel Oh @danieloh30.bsky.social · 22/09/2026developers.redhat.com/articles/202...developers.redhat.comComparison of Cluster Autoscaler and KEDA MachineSet Autoscaling on Red Hat OpenShift | Red Hat DeveloperCompare Cluster Autoscaler and KEDA's MachineSet Autoscaler in Red Hat OpenShift, focusing on their differences and the best choice for workload demand. 000
Daniel Oh @danieloh30.bsky.social · 18/09/2026developers.redhat.com/articles/202...developers.redhat.comCatching poor LLM performance and accuracy before deployment | Red Hat DeveloperImplement a regression detector for Red Hat AI Inference, catching performance regressions in CI/CD before release. Learn how in this guide. 000
Daniel Oh @danieloh30.bsky.social · 18/09/2026developers.redhat.com/articles/202...developers.redhat.comFrom hours to minutes: Optimizing Red Hat Developer Hub performance testing with immutable LDAP images | Red Hat DeveloperOptimize Red Hat Developer Hub performance testing with pre-built LDAP images, reducing setup time and improving testing framework performance. 000
Daniel Oh @danieloh30.bsky.social · 18/09/2026developers.redhat.com/articles/202...developers.redhat.comBuild a unified CI/CD control plane with Red Hat Developer Hub | Red Hat DeveloperDiscover how to deploy Red Hat Developer Hub and configure plug-ins for Argo CD and Tekton to lower cognitive load and streamline OpenShift pipelines. 000
Daniel Oh @danieloh30.bsky.social · 18/09/2026OpenTelemetry everywhere: Migrating a metrics platform at scale www.cncf.io/blog/2026/09... #cncfcncf.ioOpenTelemetry everywhere: Migrating a metrics platform at scaleFor most of the last decade our metrics pipeline ran on gostatsd, the open-source StatsD implementation we maintain. It primarily did two jobs: as sidecar on every host and the aggregation tier at the... 010
Daniel Oh @danieloh30.bsky.social · 17/09/2026Quarkus 3.39.4 - Maintenance release quarkus.io/blog/quarkus... via @quarkusioquarkus.ioQuarkus 3.39.4 - Maintenance releaseQuarkus: Supersonic Subatomic Java 001
Daniel Oh @danieloh30.bsky.social · 17/09/2026developers.redhat.com/articles/202...developers.redhat.comWhy your Kafka topic ignores retention.ms (and how to fix it) | Red Hat DeveloperFix unexpected Kafka retention delays. Discover how segment rolling impacts log deletion and align segment.ms with retention.ms to clear old records. 000
Daniel Oh @danieloh30.bsky.social · 17/09/2026developers.redhat.com/articles/202...developers.redhat.comConstraining AI agents with Red Hat AI: Containment, identity, and governance | Red Hat DeveloperLearn how to restrict, verify, and control agent actions with Red Hat OpenShift AI. 000
Daniel Oh @danieloh30.bsky.social · 17/09/2026Running OpenBao on Kubernetes with a CloudNativePG PostgreSQL backend www.cncf.io/blog/2026/09... #cncfcncf.ioRunning OpenBao on Kubernetes with a CloudNativePG PostgreSQL backendManaging infrastructure secrets on Kubernetes needs a backend that is self-healing and free of vendor lock-in, and that is exactly what OpenBao (the Linux Foundation’s open-source fork of HashiCorp… 010
Daniel Oh @danieloh30.bsky.social · 17/09/2026View my verified achievement from @linuxfoundation. www.credly.com/badges/124f6... via @credlycredly.comSpeaker: KubeCon + CloudNativeCon + OpenInfra Summit + Pytorch China 2026 was issued by The Linux Foundation to Daniel Oh.Earners of this badge are speakers, selected by the Speaker: KubeCon + CloudNativeCon + OpenInfra Summit + Pytorch China 2026 Co-Chairs, who have provided thought-leadership and shared best practices ... 000
Daniel Oh @danieloh30.bsky.social · 16/09/2026developers.redhat.com/articles/202...developers.redhat.comRed Hat Developer Hub: Preventing compliance violations with AI coding agents | Red Hat DeveloperConnect AI coding agents to Red Hat Developer Hub to enforce governance rules, prevent compliance violations, and ground architectural choices in your catalog. 000
Daniel Oh @danieloh30.bsky.social · 11/09/2026Building a reliable cloud native foundation for distributed AI training www.cncf.io/blog/2026/09... #cncfcncf.ioBuilding a reliable cloud native foundation for distributed AI trainingAI workloads are changing what platform teams need from infrastructure. Provisioning GPUs and standing up a cluster no longer makes a platform “AI-ready.” Once training spans more than one node… 010
Daniel Oh @danieloh30.bsky.social · 11/09/2026Connecting AI agents directly to backend MCP servers is a massive production security risk. No auth, no RBAC, and zero guardrails. ❌ My new @DZone guide fixes this using agentgateway to secure your Quarkus backend:👉 dzone.com/articles/goo... #AIagents #MCP #AppSec 842
Daniel Oh @danieloh30.bsky.social · 11/09/2026Want the power of AI coding assistants without exposing sensitive enterprise data? Join me TODAY at 16:10 JST at #AGNTCon + #MCPCon Japan (Hall 1F) to learn how to build your own open-source Claude Code using local LLMs & AI guardrails! 🚀📍 sched.co/2QlEY #AICoding #LocalLLM #OpenSource #IBM #RedHat 151
Daniel Oh @danieloh30.bsky.social · 11/09/2026developers.redhat.com/articles/202...developers.redhat.comFrom token consumer to token provider: Building your org's AI API | Red Hat DeveloperManage AI infrastructure costs and governance with Red Hat AI 3.4's Model-as-a-Service. 001
Daniel Oh @danieloh30.bsky.social · 10/09/2026Starting in 25 mins at #AGNTCon + #MCPCon Japan! 🇯🇵Learn to architect autonomous, production-ready Java systems with Daniel & @kevindubois.com 🛠️ Hands-on multi-agent design patterns🤝 Agent-to-Agent (A2A) collaboration👁️ Observability & guardrails🕒 16:10 JST | 📍 Hall B🔗 021
Daniel Oh @danieloh30.bsky.social · 09/09/2026Part 2: Securing and Scaling Goose-to-Java Agent Traffic With agentgateway dzone.com/articles/goo... via @DZoneIncdzone.comPart 2: Securing and Scaling Goose-to-Java Agent TrafficDeploy agentgateway as a security proxy between Goose AI agents and Quarkus MCP servers to enforce JWT auth, RBAC, and tool-poisoning guardrails. 000
Daniel Oh @danieloh30.bsky.social · 09/09/2026developers.redhat.com/articles/202...developers.redhat.comUse a local and open source code assistant | Red Hat DeveloperLearn how to install and configure OpenCode, an open source AI coding assistant, for local development with Ollama, OpenVINO, or Red Hat AI. 000
Daniel Oh @danieloh30.bsky.social · 09/09/2026developers.redhat.com/articles/202...developers.redhat.comPersonalize your product's text-to-speech voice for any language: Fine-tuning with Kubeflow Trainer on Red Hat OpenShift AI | Red Hat DeveloperLearn how to fine-tune your text-to-speech model for Turkish with Red Hat OpenShift AI and Kubeflow Trainer, reducing speech errors by over 90%. 010
Daniel Oh @danieloh30.bsky.social · 09/09/2026developers.redhat.com/articles/202...developers.redhat.comDeploy NeMo Guardrails on Red Hat OpenShift AI | Red Hat DeveloperThis article demonstrates how to deploy a NeMo Guardrails configuration on a Red Hat OpenShift AI cluster. It covers prerequisites, the deployment process, and testing the deployed server. 010
Daniel Oh @danieloh30.bsky.social · 09/09/2026How cloud native goes AI native www.cncf.io/blog/2026/09... #cncfcncf.ioHow cloud native goes AI native“A sales guy writing code” used to be the lead-up to a joke. But now no one’s laughing. Designers used to sit meekly waiting for the high priests of code to make their designs real. Now they don’t… 000
Daniel Oh @danieloh30.bsky.social · 09/09/2026Whose GPUs are these, anyway? Secure, self-service metrics for multi-tenant Kubernetes www.cncf.io/blog/2026/09... #cncfcncf.ioWhose GPUs are these, anyway? Secure, self-service metrics for multi-tenant KubernetesIt was a routine cost review. The slide showed the month’s GPU spend, the biggest line on the whole infrastructure bill, and someone asked a five-word question: “Are we using these things? 100
Daniel Oh @danieloh30.bsky.social · 09/09/2026KubeCon Shanghai was an absolute blast! 🚀 Huge thanks to @CloudNativeFdn and everyone who stopped by my session. The cloud-native community in China is building at an incredible scale—the energy and technical Q&As were top-tier. See you at the next one! 🇨🇳💻 #KubeCon #CloudNative 110
Daniel Oh @danieloh30.bsky.social · 08/09/2026🚀 Happening TODAY in Shanghai! If you are attending KubeCon + CloudNativeCon + OpenInfra Summit + PyTorch Conference China 2026, do not miss our tech session on the future of DevOps and autonomous infrastructure!! @kevindubois.com 4:15 pm at Mandarin Hall I #AgenticAI #ArgoCD #IBM 131
Daniel Oh @danieloh30.bsky.social · 08/09/2026developers.redhat.com/articles/202...developers.redhat.comReference architecture for HA scanning with Red Hat Advanced Cluster Security for Kubernetes | Red Hat DeveloperLearn how to eliminate scan API downtime with Red Hat Advanced Cluster Security for Kubernetes using a reference architecture with two Central service instances and client-side failover 000
Daniel Oh @danieloh30.bsky.social · 08/09/2026developers.redhat.com/articles/202...developers.redhat.comUnderstanding W8A8 INT8 LLM quantization: Half the size, better performance, same accuracy | Red Hat DeveloperCut Llama 3.1 8B VRAM by 46% without losing accuracy. Master the mechanics of INT8 W8A8 quantization, SmoothQuant, and GPTQ using llm-compressor 000
Daniel Oh @danieloh30.bsky.social · 08/09/2026Handling vulnerability reports: Recipe card www.cncf.io/blog/2026/09... #cncfcncf.ioHandling vulnerability reports: Recipe cardSet the Station: Define a clear reporting path in your README.md and SECURITY.md so reporters know where to deliver ingredients. Taste Test First: Determine if a report is a real vulnerability or just... 001
Daniel Oh @danieloh30.bsky.social · 08/09/2026Quarkus 3.39.2, 3.33.3.2 LTS, 3.27.5.2 LTS - Maintenance releases quarkus.io/blog/quarkus...quarkus.ioQuarkus 3.39.2, 3.33.3.2 LTS, 3.27.5.2 LTS - Maintenance releasesQuarkus: Supersonic Subatomic Java 000
Daniel Oh @danieloh30.bsky.social · 07/09/2026Weather in Shanghai is top-tier today! Perfect excuse for a long city walk. 🌤️🚶♂️ 000
Daniel Oh @danieloh30.bsky.social · 04/09/2026Build governed, cloud-native Java MCP tool services for Goose agents using Quarkus LangChain4j, Java 25, and Jakarta Bean Validation. dzone.com/articles/gov...dzone.comPart 1: Building Governed MCP Tool ServicesBuild governed, cloud-native Java MCP tool services for Goose agents using Quarkus LangChain4j, Java 25, and Jakarta Bean Validation. 000
Daniel Oh @danieloh30.bsky.social · 04/09/2026developers.redhat.com/articles/202...developers.redhat.comBuild AI-assisted firewall workflows with Ansible Automation Platform | Red Hat DeveloperAutomate firewall changes with Ansible Automation Platform, ServiceNow, and AI. Learn to build a governed, event-driven workflow with human approvals 000