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MetalLB: LoadBalancer para Kubernetes bare metal com Layer 2 e BGP

MetalLB: LoadBalancer for bare metal Kubernetes with Layer 2 and BGP

September 23, 2026 by nilton

Complete guide to MetalLB 0.16: why the LoadBalancer stays in pending on bare metal, how Layer 2 and BGP modes work, installation, IPAddressPool, annotations, traffic policy and troubleshooting, all tested in a lab with kind and FRR.

Categories DevOps, Infrastructure, Linux, Open source, Servers Tags bare metal, bgp, frr, k8s, kind, kubernetes, load balancer, metallb
A história do Kubernetes: o leme do Borg

The history of Kubernetes: Borg’s helm

September 8, 2026September 6, 2026 by

On June 6, 2014, Joe Beda made the first public commit of what would become Kubernetes: 250 files and 47,501 lines of Go, Bash, and Markdown. Four days later, Eric Brewer announced the project at DockerCon. A year later, on July 21, 2015, version 1.0 arrived — and Google announced that … Read more

Categories Cloud, DevOps, Linux, Open source, Servers Tags borg, cncf, containers, Docker, go, k8s, kubernetes
DevOps: o que é CI/CD?

DevOps: what is CI/CD?

October 5, 2026December 5, 2019 by

CI/CD is not a product. It's the habit of integrating, testing, and releasing software in short cycles, with as many automated steps as possible. The “merge day” of 2019 is still the antipattern. What has changed is where the YAML lives, … Read more

Categories CI/CD, Cloud, DevOps Tags CI/CD, cloud, dev, DevOps, Docker, git, github, github-actions, gitlab, gitops, kubernetes, supply-chain

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