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    Jacar categories — explore the topics A rocket whose eyes follow your cursor.

    Category

    Tecnología

    Technology that matters: trends, tools, and shifts that affect how we work.

    Filter #5g 1 #5g privado 1 #admission 1 #alerting 1 #alertmanager 1 #anchore 1 #apple silicon 1 #aqua 1 #arm 1 #beyla 1 #cloudflare 1 #container scanning 1
    Cloudflare Workers in 2025: from edge to enterprise
    Arquitectura

    Cloudflare Workers in 2025: from edge to enterprise

    Cloudflare Workers cumple ocho años y se ha convertido en una plataforma de aplicaciones completa. Repaso de qué ofrece hoy, qué limitaciones persisten y en qué tipo de proyecto tiene sentido apostar.

    167 11 min January 12, 2025
    NPU in the PC: faster, cheaper local AI
    Inteligencia Artificial

    NPU in the PC: faster, cheaper local AI

    Los procesadores Copilot+ de Qualcomm, Intel y AMD han normalizado la presencia de una NPU en el PC doméstico. Qué cambia realmente para ejecutar modelos en local y cuándo merece la pena.

    84 11 min January 6, 2025 4.5
    Apple Silicon M3 and M4: The Silent Advance in Portable Computing
    Mac

    Apple Silicon M3 and M4: The Silent Advance in Portable Computing

    M3 y M4 consolidaron la ventaja de Apple Silicon en eficiencia. Qué cambió y por qué importa para desarrolladores y cargas de IA.

    62 10 min December 25, 2024 4.3
    Vector: A Log Agent Worth Trying
    Herramientas

    Vector: A Log Agent Worth Trying

    Vector de Datadog es un agente de observabilidad escrito en Rust con transformaciones potentes. Cuándo elegirlo frente a Fluent Bit o Logstash.

    112 9 min December 22, 2024 4.1
    Terraform 1.6 Onward: Updates After the License Change
    Tecnología

    Terraform 1.6 Onward: Updates After the License Change

    Terraform 1.6, 1.7, 1.8 y 1.9 han traído import blocks, removed, ephemeral values, un framework de tests nativo y el preview de stacks. Mientras tanto, OpenTofu consolida su fork tras el cambio a BSL.

    67 10 min December 13, 2024 4.4
    IEC 62443: OT Cybersecurity Explained for IT Teams
    Industria 4.0

    IEC 62443: OT Cybersecurity Explained for IT Teams

    IEC 62443 es el marco de ciberseguridad industrial. Cómo los equipos IT pueden aplicarlo y coordinarse con OT sin colisiones.

    91 10 min December 4, 2024 4.6
    eBPF for Continuous Profiling: Parca and Beyla
    Tecnología

    eBPF for Continuous Profiling: Parca and Beyla

    Profiling 24/7 en todo el clúster sin instrumentar aplicaciones. Parca, Grafana Beyla y Pyroscope conforman el stack moderno de observabilidad de rendimiento.

    118 12 min November 19, 2024 4.3
    NIST PQC: The Post-Quantum Cryptography Standards
    Tecnología

    NIST PQC: The Post-Quantum Cryptography Standards

    NIST publicó los primeros estándares PQC en agosto de 2024: ML-KEM, ML-DSA y SLH-DSA. Qué significa para tu stack de seguridad y cómo prepararse para la transición.

    1.2K 12 min November 16, 2024 4.4
    Industrial Edge Computing: Low Latency Where Data Happens
    Industria 4.0

    Industrial Edge Computing: Low Latency Where Data Happens

    Edge computing en industria reduce latencia y dependencia de nube. Arquitecturas, casos de uso y tecnologías maduras para entornos de planta.

    100 13 min October 17, 2024
    Trivy and Grype a Year Later: Which Matured Better
    Tecnología

    Trivy and Grype a Year Later: Which Matured Better

    Trivy y Grype llevan tiempo compitiendo por ser el escáner de contenedores de referencia. Tras un año de uso intensivo en CI, toca contar qué hace bien cada uno.

    85 12 min October 11, 2024 4.2
    Kubernetes 1.30: The Improvements Operators Actually Appreciate
    Arquitectura

    Kubernetes 1.30: The Improvements Operators Actually Appreciate

    Kubernetes 1.30 trae ValidatingAdmissionPolicy en GA, pod scheduling readiness y job success policy. Una release discreta pero útil para quien opera clústeres de verdad.

    79 11 min October 8, 2024 4.4
    Alertmanager: Routing That Doesn’t Wake Your Team at 3am
    Metodologías

    Alertmanager: Routing That Doesn’t Wake Your Team at 3am

    Configurar Alertmanager mal es lo habitual. Patrones sensatos de routing, silencios, agrupación y rotaciones de guardia para evitar la fatiga de alertas.

    91 14 min August 30, 2024 4.3

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    Javier Cañete Arroyo — JACAR La marca JACAR toma las dos primeras letras de cada parte del nombre: JAvier, CAñete, ARroyo. CEO · FUNDADOR JAvierCAñeteARroyo JACAR JAvier · CAñete · ARroyo

    Production notes on technology, DevOps, and AI from Madrid.

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    • Inteligencia Artificial 173
    • Tecnología 147
    • Arquitectura 91
    • Metodologías 75
    • Herramientas 56
    • Desarrollo de Software 54

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