Cloud, Kubernetes, and platform engineering.

Senior-engineer field notes on cloud, Kubernetes, AWS, Terraform, and platform engineering by Ercan Ermis.

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111 posts

Learn how to set for your aws S3 Bucket CORS settings on CloudFront in Amazon Web Services. CORS settings is taking security for your bucket.

Learn how to automate your Docker GitLab backup. You should make a backup for your repository security. Let's automate the process...

Sometimes, it's really hard to find the big files path Linux. In this tutorial, you will learn how you can find it easily.

If you having rpmdb issues with your yum, you can easily follow the same steps and fix your package manager in a minute.

Learn how to fix "No space left on the device" error when starting and/or stopping services only on Amazon Linux 2

Set a VDSL2 connection for Juniper SRX-110 easily. I've already created a main configration and you can use if you need. Just edit few lines..

Docker on your system, the container running in the docker can generate a large number of logs while you are not aware of the background.

Sometimes, there may be files with more than one extension in a directory or folder. For example, .jpg, .png, .gif, .mp3, .mp4 etc.

You may be wondering about the size of these files or just want to see the size of the files with the corresponding extension for a ...

This tutorial shows you how you can disable SELinux on your CentOS server. The CentOS version should be CentOS 7 or CentOS 8.