Security is always important and the first thing before doing something in the cloud. I’m using the IP restriction policy for more than 5 years and I want to share this trick with you. There are two different ways to do it. You should get a Static IP from your ISP and/or also you can…
Let’s Learn Kubernetes – Part 1
Hi, I’m starting to write a blog post series about Kubernetes basics and this is Part 1. You can follow the guide to understand “What is Kubernetes?” and “What you can do with it?”. What is Kubernetes? Kubernetes is an open-source container orchestration tool for automating software deployment, management, and scaling smoothly and fast. The…
Differences between AWS CLI v1 and v2
Sometimes, aws-cli doesn’t run your cli commands if you are using v1. If your aws cli is v1, I should recommend updating. In this article, you’ll learn in which conditions you should use an AWS CLI v2. AWS CLI v1 is written in Python language and for v1, you should install Python first but if…
SSL CA Problem on CentOS7 Docker and Solution
When I’m playing with CentOS7 docker image on MacBookPro M1, it looks like it doesn’t connect to the servers which require HTTPS connection. For example, when I run yum -y update the command it returns curl: (77) Problem with the SSL CA cert (path? access rights?). Hmm, it looks like an OS Bug because my…
What do I have?
First of all, hello from sunny Izmir. Today is Tuesday but I feel like off-day. I know, I need to write technical articles for the community that is working with passionate people. It’s on the way, I promise… The title is “Cloud: Using NAT on Private Subnets”. The article is comparing serverless NAT service and…
Deploy HA nginx to AWS ECS with Geolocation Routing via Terraform
Today, I want to refactor the Deploy nginx docker to AWS ECS with Terraform Automation project from a single region to multi-region support. This time, I pushed all of Terraform source code to my GitLab account. Now, the updated project is creating all infrastructure in Ireland and N.Virginia region.Now, we have a geo-location-based route policy…