Putty P Hub

Putty P Hub

Your source for technology insights, tutorials, and guides.

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Latest Articles

How We Uncovered a Hidden ClickHouse Slowdown in Our Petabyte-Scale Billing System

Cloudflare's billing pipeline slowed due to a hidden ClickHouse bottleneck; the root was a single retention policy causing diverse namespace needs to clash.

2026-05-17 05:28:30 · Education & Careers

The Art of Accountable Leadership: A Framework for Empowering Teams Without Overcontrol

Learn a step-by-step framework to build team accountability through clear outcomes, ownership, tracking, and feedback—without micromanaging.

2026-05-17 05:25:59 · Finance & Crypto

10 Key Insights from Cloudflare's Response to the 'Copy Fail' Linux Vulnerability

How Cloudflare's proactive measures and behavioral detections thwarted the Copy Fail Linux vulnerability.

2026-05-17 05:24:13 · Cybersecurity

10 Key Insights into Cloudflare's Restructuring for the AI Era

Cloudflare lays off 1100+ employees to restructure for the agentic AI era, emphasizing transparency, generous severance, and a strategic shift toward AI-driven workflows.

2026-05-17 05:23:51 · Cloud Computing

5 Surprising Ways a Linux Kernel Optimization Caused a QUIC Congestion Control Bug

Discover how a Linux kernel fix for CUBIC congestion control created a QUIC bug, causing permanent cwnd collapse, and the simple one-line fix.

2026-05-17 05:23:24 · Linux & DevOps

10 Breakthroughs in Browser Run’s Cloudflare Container Migration

Browser Run rebuilt on Cloudflare Containers delivers 4x concurrency, 50% faster Quick Actions, and seamless upgrades for headless browser automation.

2026-05-17 05:23:02 · Cloud Computing

5 Critical Lessons from a ClickHouse Bottleneck That Slowed Cloudflare's Billing

Discover how Cloudflare fixed a hidden ClickHouse bottleneck that slowed billing jobs, with five key lessons and three patches.

2026-05-17 05:22:36 · Education & Careers

Journey to Mars: Insider Secrets from the ESCAPADE Mission's Lead Scientist

Learn how to get the most from This Week In Space Episode 210 on the ESCAPADE Mars mission: preparation, active listening, reflection, and tips for deeper understanding of planetary science.

2026-05-17 05:20:24 · Science & Space

Unlock Sharper Views: A Step-by-Step Guide to Vaonis’ Vespera III and Vespera Pro 2

A step-by-step guide to upgrading your stargazing with Vaonis' new Vespera III and Vespera Pro 2 telescopes, covering optical improvements, setup, and sharpening images.

2026-05-17 05:19:57 · Science & Space

Your Private AI Image Studio: Running Stable Diffusion Locally with Docker and Open WebUI

Learn how to run Stable Diffusion locally with Docker Model Runner and Open WebUI for private, unlimited AI image generation.

2026-05-17 05:18:07 · Cloud Computing

Securing AI Agents: A Deep Dive into Sandboxing Strategies

Explore sandboxing strategies for AI agents—from chroot to systemd-nspawn—to ensure safe autonomous operation. Learn why isolation is critical, limitations of each approach, and cross-platform considerations.

2026-05-17 05:17:45 · Cloud Computing

Mastering AI Agent Safety: Docker AI Governance Explained

Docker AI Governance provides centralized control over AI agent actions, network access, credentials, and MCP tools, enabling safe agent deployments on laptops and beyond.

2026-05-17 05:17:26 · Software Tools

Adapting Container Security to NIST's Revised NVD Enrichment Model

NIST now only fully enriches a fraction of CVEs (KEV, govt, critical software), forcing container security to adapt with alternative sources and new prioritization methods.

2026-05-17 05:17:05 · Cybersecurity

Your Guide to Custom MCP Catalogs and Profiles for Enterprise AI Tooling

Learn how Custom MCP Catalogs and Profiles help enterprises securely manage, distribute, and configure AI tooling, with step-by-step guidance.

2026-05-17 05:16:39 · Cloud Computing

Spark Unveils Comprehensive Risk Framework for Sky Agent Network, Emphasizing Decade-Long Security Principles

Spark publishes risk framework for Sky Agent Network, detailing loss absorption, capital movement constraints, and risk bounding based on decade-old Security-first principles.

2026-05-17 05:15:21 · Networking

Blockchain Sleuth Arkham Flags Extreme Token Centralization in $4B Crypto Project $LAB

Arkham Intelligence reveals a single entity holds over 90% of $LAB's token supply, threatening the $4B crypto project's credibility and investor safety.

2026-05-17 05:15:05 · Finance & Crypto

THORChain Suffers $10.7M Exploit on Asgard Vault – Auto-Detection Halts Further Losses

THORChain reports $10.7M loss from compromised Asgard vault; automated systems halted further transfers. Experts praise detection response. Investigation ongoing.

2026-05-17 05:14:51 · Finance & Crypto

Tokenized ETF Market Hits $430M Onchain Cap – Ondo Finance's IVVon Leads 150% Surge

Tokenized ETFs reach $430M onchain market cap; Ondo Finance's IVVon surges 150% on Ethereum.

2026-05-17 05:14:33 · Finance & Crypto

NYSE Owner and CME Urge CFTC to Regulate Offshore Crypto Platform Hyperliquid

CME and NYSE owner ICE lobby CFTC to regulate offshore crypto platform Hyperliquid, citing risks; experts warn of market disruption.

2026-05-17 05:14:17 · Finance & Crypto

Reviving Retro: Building a Nixie-Style Clock with Salvaged VFDs

A retro clock built using salvaged single-digit VFDs from 1970s calculators, reverse-engineered and driven by a modern microcontroller.

2026-05-17 05:07:37 · Technology