A blog site on our Real life experiences with various phases of DevOps starting from VCS, Build & Release, CI/CD, Cloud, Monitoring, Containerization.
While working with one of our banking sector clients (hybrid cloud ), we encountered the error:
fatal error: SSL validation failed for https://bucket_name.s3.ap-south-1.amazonaws.com/file_name “[SSL: CERTIFICATE_ VERIFY_FAILED] certificate verify failed” (_ssl.c:727)
I was copying one file from s3 bucket to one of the newly launched servers x.x.x.x via AWS cli with below mentioned command.
No matter where organizations are in their cloud journey, cloud cost optimization remains an essential and top-priority concern. As organizations align increasing workloads to the cloud in terms of size there is a high possibility to lose sight of the overall cloud environment and the costs associated with it. Therefore, it’s essential to optimize cloud costs so as to maximise return over investment (ROI). With the same concern we were working towards reducing the cost of provisioned storage for one our clients. This post covers a particularly interesting issue around the same.
Continue reading “Enable Support to Provision GP3 Volumes in Storage Class”
The purpose of this blog is not to go deep into coreDNS rather explain how DNS works in kubernetes, what coreDNS contains and how the corefile uses plugins. So let’s get started.
Necessity is the mother of invention, the same happens here in case of docker. With the pressure of splitting monolithic applications for the purpose of ease, we arrived at docker and it made our life much simpler. We all access docker with docker-cli command but I wonder what it does behind the scene, to run a container. Let’s get deeper into it in this very blog. Continue reading “Docker Inside Out – A Journey to the Running Container”
