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Fleet

Fleet is Rancher’s ultra-lightweight GitOps engine designed to manage thousands of Kubernetes clusters from a single source of truth. It delivers fast, reliable, and scalable configuration management using Git as the control plane.

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End-to-End Kubernetes with Rancher, RKE2, K3s, Fleet, Longhorn, and NeuVector

The full journey from nothing to production

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Updates and recent posts about Fleet..

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@laura_garcia shared a post, 3 months ago

Software Developer, RELIANOID

Safeguarding Protected Health Information with RELIANOID 🛡️

RELIANOID aligns its organizational practices and Load Balancer platform with the HIPAA Security and Privacy Rule safeguards, ensuring the protection of electronic Protected Health Information (ePHI). ✅ Administrative, physical, and technical safeguards in place ✅ Encryption (TLS v1.2+, AES-256), RB..

HIPAA compliance RELIANOID

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@anjali shared a link, 3 months ago

Customer Marketing Manager, Last9

OTel Updates: Consistent Probability Sampling Fixes Fragmented Traces

One sampling decision, propagated everywhere. OpenTelemetry's Consistent Probability Sampling fixes fragmented traces across services.

consistent_sampling

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@laura_garcia shared a post, 3 months ago

Software Developer, RELIANOID

🚀 RELIANOID at DevOpsDays Istanbul 2025 – Building the Future of DevOps Together

🗓 November 1st, 2025 | 📍 Istanbul, Türkiye The DevOps world never stops evolving — and DevOpsDays Istanbul 2025 is where innovation, collaboration, and continuous improvement meet. Join RELIANOID and the global DevOps community to explore: 🔹 Continuous Delivery & Automation – Streamlining pipelines ..

devopsdays Istanbul relianoid

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@varbear shared a link, 3 months ago

FAUN.dev()

Build Your Own Database

LSM trees fix the mess naive key-value stores run into. They blendin-memory sorted indexeswithappend-only disk filesto keep things snappy. Writes get logged, not scattered. Reads stay fast. When files pile up,compaction and segmentingkick in to keep storage lean. This is a rewrite of the storage pla.. read more

Build Your Own Database

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@varbear shared a link, 3 months ago

FAUN.dev()

100X Faster: How We Supercharged Netflix Maestro’s Workflow Engine

The Maestro engine has been revamped for jaw-dropping improvement: a speed boost of100Xwith overhead slashed from seconds to milliseconds. The groundbreaking redesign delivers massive performance gains, solving past workflow development hurdles and elevating user experiences sky-high!.. read more

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@varbear shared a link, 3 months ago

FAUN.dev()

How I Reversed Amazon's Kindle Web Obfuscation Because Their App Sucked

A developer cracked Kindle Cloud Reader’s font obfuscation, sidestepping randomized glyph swaps withSVG renderingandSSIM-powered perceptual hashingto rebuild actual EPUBs. Amazon rotates font mappings every five pages, using finicky micro-paths to jam scrapers and derail OCR. It wasn’t enough. Syste.. read more

How I Reversed Amazon's Kindle Web Obfuscation Because Their App Sucked

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@varbear shared a link, 3 months ago

FAUN.dev()

Measuring Engineering Productivity

A former engineering leader lays out a no-nonsense framework for tracking team output without turning into Big Brother. Think:daily Slack updates,weekly GitHub changelogs,tight 1:1s,demo-fueled All-Hands, andauto-verified deploys. It leans onpublic artifacts, not peeking over shoulders - and puts th.. read more

Measuring Engineering Productivity

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@varbear shared a link, 3 months ago

FAUN.dev()

Discussion of the Benefits and Drawbacks of the Git Pre-Commit Hook

Pre-commit hooks catch secrets and fix formatting before bad stuff hits your repo. But if they’re clunky or slow, devs bail. Tools likePre-Commit,Husky, anddevenvare trying to fix that.devenvstands out—hooks are baked right into your Nix env, no extra glue scripts... read more

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@varbear shared a link, 3 months ago

FAUN.dev()

State of AI Report 2025

The 2025 State of AI Report just landed—China’s catching up fast on reasoning and coding. Models like DeepSeek, Qwen, and Kimi are starting to nip at OpenAI’s heels. AI is thinking longer-term now. Reinforced reasoning and rubric-style feedback are pushing models into deeper, more deliberate plannin.. read more

State of AI Report 2025

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@kaptain shared a link, 3 months ago

FAUN.dev()

Debugging container image creation with a Dockerfile

Docker just made debugging Dockerfiles inVS Codefeel like real development. With the latest Docker extension and Docker Desktop update, you can now set breakpoints, step through builds with F10/F11, poke at variables, and mess with the container’s file system mid-build... read more

Debugging container image creation with a Dockerfile

Fleet is a high-scale GitOps system built to support the realities of multi-cluster operations. Instead of pushing YAMLs or relying on brittle scripts, Fleet treats Git as the authoritative state and continuously reconciles that state across every cluster under management.

Its architecture uses lightweight agents, bundling, and content distribution to propagate changes efficiently - whether you’re managing five clusters or five thousand. Policies, Helm charts, CRDs, and raw manifests all become versioned, reviewable, and auditable through Git.

Fleet integrates cleanly with Rancher, enabling teams to automate cluster bootstrapping, enforce standards, roll out updates safely, and instantly detect drift. It excels in environments that demand consistency: edge fleets, hybrid cloud estates, regulated sectors, and platform teams building opinionated Kubernetes platforms.