Giovanni Silva
Giovanni Silva

Giovanni Silva

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Giovanni Silva

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Experienced programmer and software engineer in Java and Web Platform (JavaScript, HTML, CSS). I'm also interested in Kubernetes DevOps and infrastructure

Humio Log parser with containerd and kubernetes

Nov 16, 20212 min read

Using humio or other log aggregator like logstash with fluenbit as log shipper in kubernetes environment, I faced a problem with the log parser where the log messages where prepended by a date and stdout or stder information like in the line below: 2...

Lens uma IDE para Kubernetes

Nov 16, 20211 min read

Confira o meu overview da ferramenta Lens que oferece uma visão produtiva de clusters kubernetes, podendo interagir com todos os objetos de sua api de forma fácil e rápida. https://www.youtube.com/watch?v=e5VA9huSb3k

Fixing bind address of kube-proxy metrics for prometheus monitoring

Nov 5, 20211 min read

Using kubespray to install k8s the default bind address for kube-proxy metrics endpoint is localhost:10249. This makes prometheus community not scrap the metrics because it needs access at the host network level. To solve this follow this simple step...

Configuring prometheus to scrap SSL etcd cluster

Nov 2, 20212 min read

In this setup we will configure the prometheus community helm chart to scrap metrics from a SSL enabled etcd. The etcd was installed through kupespray kubernetes cluster, but you should be able to adapt to your case. Generating the SSL Client Keys We...

Configuring CloudFlare LoadBalancer

Oct 25, 20212 min read

In this post we will configure a external loadbalancer with cloudflare option. This can be in hand if your cloud provider do not offer you a loadbalancer. In its minimal configuration it can cost you as little as $5 per month, and gets the job done d...

Installing Cert Manager

Oct 25, 20213 min read

We want to issue free SSL certificates for ingress https resources. Treafik has a build in integration with Letsencrypt but unfourtunatelly its is not compatible with a HA setup where you have more than one instance of the ingress running (Deployment...