I’m working on containerizing web/was servers to my company’s k8s environment. In order to do that, I have to configure docker files ,make docker images, save them in .tar format, scp-ing to the k8s server and import docker image to containerd. But everytime I find the modification, I need to reconfigure the docker image and…

In Linux there is a feature “logrotate” and cronjob. These two features are designed for different purpose but when you use them both, you can automate managing your server efficiently. To see if the logrotate function is working, you can use this command. You can get the result of the scheduled task. Before taking a…

Configuring kubernetes cluster is not easy. If you proceed with original method – installing all services manually and configuring all TLS certs with old methods. That’s why we use kubeadm to create kubernetes cluster. I’m going to configure them with oracle virtual box and ubuntu 22.04 The basic concept for test lab is like this.…

From today, I’m going to start a side project for creating full stack web app. I’m going to make a web page with html, nginx and GO with CRUD function. And I will containerize the completed webapp and deploy them on the AWS EC2 instance by using Terraform IaC tool. I’m going to start configure…

I’m an enthusiastic devops engineer with VDI and sysAdmin experience. I’m going to post tech posts related with AWS, NCP(naver cloud platform in korea), CI / CD gitlab and go lang for study purpose. There can be mistakes in my posts. I would be happy if you find an error and let me know!