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Kubernetes (Homelab)
K8s basics, helm charts, storage classes, and small‑cluster ops for homelabs.
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GitOps avançado - automação de deploy, rollback e boas práticas para produção
34+ min ago (212+ words) Um pipeline GitOps completo normalmente combina CI (que constrói e testa a aplicação) com CD via ArgoCD (que aplica o resultado ao cluster). O CI não aplica nada diretamente ao cluster — sua única responsabilidade é atualizar o repositório de manifests…...
Kubernetes no dia a dia - kubectl, Namespaces, ConfigMaps e Secrets
34+ min ago (367+ words) O artigo anterior já usou kubectl apply e kubectl get. No dia a dia, alguns outros comandos aparecem o tempo todo: kubectl describe costuma ser o primeiro comando rodado ao investigar um Pod que não sobe como esperado — a seção…...
Kubernetes - o que é, para que serve e conceitos iniciais
34+ min ago (219+ words) Comparado a rodar containers "soltos" (um docker run por servidor, gerenciado manualmente ou por scripts), o Kubernetes automatiza justamente o que se torna inviável de fazer à mão em escala: O Kubernetes organiza tudo em torno de objetos descritos declarativamente…...
Kubernetes - Day - 04 - Docker Commands
1+ hour, 39+ min ago (14+ words) IMAGES docker images Enter fullscreen mode Exit fullscreen mode... Tagged with devops, docker, kubernetes....
How I Turned an Old Broken Laptop Into a Silent $0 Home Server That Safely Backs Up Every Device in My House in 2026
1+ hour, 29+ min ago (469+ words) Transforming an idle piece of hardware into a high-utility node is one of the most satisfying engineering achievements a modern household can accomplish. In an era where data sprawl is a constant challenge, cloud storage costs accumulate, and privacy concerns…...
Kubernetes - Day - 03 - File Permissions, Bind Mount
2+ hour, 56+ min ago (24+ words) File Permission - chmod 600 <file_name> - chmod -R 6-- <folder_name> -... Tagged with devops, kubernetes, linux....
k3s statt Kubernetes: Warum die Rancher-Distribution unschlagbar ist
3+ hour, 45+ min ago (691+ words) Hier kommt k3s ins Spiel. Entwickelt von SUSE (bzw. Rancher), ist k3s keine abgespeckte Spielzeugversion, sondern eine hochkompakte, aber voll CVE-konforme Kubernetes-Distribution. Sie wurde speziell für IoT, Edge Computing und CI/CD-Pipelines konzipiert, hat sich aber längst auch als extrem robustes Fundament…...
1,551 Elasticsearch and 1,462 Memcached Endpoints: Two Cache Layers With Different Defaults
5+ hour, 26+ min ago (836+ words) Two ZoomEye host searches collected on 18 September 2026 returned 1,551 observable services on port 9200 and 1,462 on port 11211. Port 9200 is Elasticsearch's HTTP interface. Port 11211 is Memcached's default listener. The counts are similar; the security stories are not. Elasticsearch: authentication that became a default…...
Backups and other lies
5+ hour, 46+ min ago (177+ words) Every sysadmin I know has the same secret: we do not actually back up half the things we tell other people to back up. I have been doing this for a decade. My recovery codes live in a directory called…...
Port 6443 in the Wild: Measuring Public Kubernetes API Endpoint Exposure
7+ hour, 8+ min ago (526+ words) This article answers that question with a ZoomEye measurement and then separates what the number proves from what it does not. The measured result is an exposure count, not a vulnerability count. A host that answers on TCP port 6443 has…...