Iostat command came from the same sysstat family package # rpm -qf `which iostat` sysstat-11.7.3-6.el8.x86_64 It mainly read data from /proc/diskstats # cat /proc/diskstats 259 0 nvme1n1 147 0 6536 …
What is SAR? SAR is a utility used to collect and report system activity. It collects data relating to most core system functions and writes those metrics to binary data …
Why do Kubernetes Pods fail? The two most common reasons for Kubernetes pod failure is The container inside the pod doesn’t start, which we also call a startup failure. The …
Chaos Engineering is one field that always draws my attention. I came to know about it after I heard about the Netflix Simian Army toolkit https://github.com/Netflix/SimianArmy . At an initial glance, it’s …
WARNING: Before reading this doc 🙂 🙂 1: As everyone needs to sign NDA with CNCF, I can’t tell you the exact question asked during the exam neither I have GB of …
This is one of the ask I came across in Dev env in terms of saving cost where I need to shut down all the EC2 instance at 6 pm …
What is Boto3? Boto3 is the Amazon Web Services (AWS) SDK for Python. It enables Python developers to create, configure, and manage AWS services, such as EC2 and S3. Boto3 …
As per the official Github link Krew is a tool that makes it easy to use kubectl plugins. Krew helps you discover plugins, install and manage them on your machine. It …
As per the official github link kubewatch is a Kubernetes watcher that publishes notifications to Slack/hipchat/mattermost/flock channels. It watches the cluster for resource changes and notifies them through webhooks. Basically kubewatch …
Helm is a package manager for Kubernetes. Similar to yum but for Kubernetes. It bundles all related manifests(such as deployment, service, etc.) into a chart. When installing chart, helm creates …