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Emir Özbir
Emir Özbir

206 Followers

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Mar 8, 2022

Configuration Drifts and Haydarctl

Hello everyone today we gonna talk about the configuration drifts on your infrastructure stack which developed with Terragrunt. In infra stack there could be more than one person.So according to the isolation level of your organization your infrastructure might be open to change by manual actions. Suppose that you have…

Iac

3 min read

Configuration Drifts and Ha
Configuration Drifts and Ha
Iac

3 min read


Published in kloia

·Apr 26, 2021

Rancher 2.5 Paves the Way to Kubernetes Adoption with New UI, Easier Backup and More

Introduction Rancher is an open-source, user-friendly, and lightweight Kubernetes management platform capable of managing your Kubernetes cluster on various infrastructures — from bare metal servers to public clouds, VMware, or even Raspberry Pi. With this wider scope, elasticity, and management capabilities, Rancher has a competitive advantage as one of the most…

DevOps

6 min read

Rancher 2.5 Paves the Way to Kubernetes Adoption with New UI, Easier Backup and MoreIntroduction
Rancher 2.5 Paves the Way to Kubernetes Adoption with New UI, Easier Backup and MoreIntroduction
DevOps

6 min read


Feb 27, 2021

Kubernetes - ServiceTopology

Merhaba, Kubernetes üzerinde iki ana objenin genel topoloji ve trafik yönetimimizi nasıl değiştireceğine bir göz atacağız.Kubernetes’in 1.17.x minor versionlarından birini incelerken karşıma EndpointSlice objesi çıktı. Normalde her bir pod icin Endpoint objeleri yaratılmakta ve servis objeleri tarafından takip(track) edilmektedir. …

Kubernetes

5 min read

Kubernetes - ServiceTopology
Kubernetes - ServiceTopology
Kubernetes

5 min read


Jan 17, 2021

Kubernetes Node Failover

Hello , Today I’m gonna tell a story about how to tune failover behaviour of Kubernetes clusters. In Kubernetes clusters, worker nodes can be down based on couple reasons like network outage, resource limits ...etc What is the Problem? In the configuration of Kubernetes Cluster, master nodes are fetch the state of the nodes…

Kubernetes

3 min read

Kubernetes Node Failover
Kubernetes Node Failover
Kubernetes

3 min read


Dec 20, 2020

K8S — AdmissionWebhook

Merhabalar, Bugün Kubernetes üzerinde api-server erişimleri nasıl özelleştirebileceğimizi ve Kubernetes’in nasıl genişletilebilir bir yapı sunduğunu (SOLID — OpenClosed) inceleceğiz. Birbiri arasinda konusan butun yapilar eger ki belirli bir contract tanimlamalarina uyarsa platform ekiplerine extend edilebilir yapilar sunabiliyor. Mesela Kubernetes uzerinde CRD’leri izleyip Kafka kurabileceginiz controllerdan tutunda giderek tum istekleri APISERVER…

Kubernetes

4 min read

K8S — AdmissionWebhook
K8S — AdmissionWebhook
Kubernetes

4 min read


Published in kloia

·Nov 3, 2020

Kubectl New Feature: debug

In this post, I will talk about the background of debugging, a new alpha feature in the kubectl. In Kubernetes, each pod runs as a docker container and these containers are isolated through the Linux namespace isolation feature. Each container has its own process filesystem, as shown below. $ docker…

Eng

2 min read

Kubectl New Feature: debug
Kubectl New Feature: debug
Eng

2 min read


Oct 11, 2020

Mutual TLS Nedir?

Merhabalar, Son dönemde özellikle istio’nun da yaygınlaşmasıyla sıkça karşımıza çıkan mTLS’i anladığım kadarıyla açıklamak isterim. Öncelikle günümüzdeki TLS kavramında bahsedelim; karşılıklı olarak her makinenin ortak bir sertifika authority’den imzalamış olduğu rootCA client üzerinde bulunur ve karşılıklı kurulan TLS connection üzerinde istemci, sunucuyu tanımlamış ve doğrulandığından emin olmuş şekilde aradaki connection…

Kubernetes

4 min read

Mutual TLS Nedir?
Mutual TLS Nedir?
Kubernetes

4 min read


Aug 29, 2020

ETCD Quorum and Consensus #k8s

Hello everyone, today I want to explain one of the essential dynamics in Kubernetes universe. Based on a true story. I have a cluster for the dev-test environment, for the development and playground purposes. This cluster is working with 1master and N number of workers, and Wehave update the master…

Etcd

3 min read

ETCD Quorum and Consensus #k8s
ETCD Quorum and Consensus #k8s
Etcd

3 min read


May 17, 2020

Kubernetes Networking Genel Bakis-1

Kubernetes yillar yili insanoglunun yazmis oldugu iptables, route tables, gibi bircok ana komponenti kendi icerisinde yasiyor ve tum network altyapisini bunun uzerine kurgulayabiliyor . Kubernetes uzerinde Linux kosan herhangi bir sunucuda, cloud provider (saglayici) farketmeksizin agnostic bir soyutlama katmani haline donusturuyor . Not: Bu yazida genel networking anlatiminda temel CNI…

Kubernetes

7 min read

Kubernetes Network Nasil Yuruyor
Kubernetes Network Nasil Yuruyor
Kubernetes

7 min read


Apr 16, 2020

Helm Chart Hooks

In the Kubernetes environment, you can use the hooks for event-based chart upgrade, downgrade and delete operation. Helm supports a lot of hooks that related to events, those are pre-install, post-install, pre-delete and etc. …

DevOps

2 min read

Helm Chart Hooks
Helm Chart Hooks
DevOps

2 min read

Emir Özbir

Emir Özbir

206 Followers

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