Docker Support is Removed from Kubernetes 1.23 version
The Kubernetes 1.24 release. The release will deprecate several (beta) APIs in favor of stable versions of the same APIs. The major change coming in the Kubernetes…
Kubernetes 1.22.9 Cluster Setup Master and Worker in Ubuntu 20.04
Sample Code – https://github.com/certifications-tutorials/cks-course-environment/tree/master/cluster-setup/previous Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School,…
Kubernetes Tutorials: What is Network Policy & Example Code
If you want to control traffic flow at the IP address or port level (OSI layer 3 or 4), then you might consider using Kubernetes NetworkPolicies for…
Kubernetes Assignment for Administrator
Write a Summary post on following Questions – Top 10 k8 API Resources which is being by Kubernetes Admin – Top 10 kubectl commands to troubleshoot Kubernetes…
Install & Configure Prometheus in Kubernetes Cluster
Step 1- Create 2 PV for Prometheus server & Alert Manager Step 2 – Install using Helm Step 3 – How to access? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud…
Service Mesh Dummies Ebooks Tutorial
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Kubernetes Clusters Troubleshooting Guide
Source Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/Clusters-Troubleshooting Troubleshooting Kubernetes Nodes Troubleshooting Kubernetes Control Plane Troubleshooting Kubernetes Workloads Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have…
Logging and Monitoring in kubernetes clusters
Source Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/logging-monitoring Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School,…
Kubernetes Cluster Upgrade Tutorials
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Kubernetes Backup and Restore Complete Reference
Kubernetes cluster backup and restore using “etcdctl” tool Kubernetes cluster backup and restore using Velero Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I…
Kubernetes Tutorials & Lab: Ingress with NodePort
Sample Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/Ingress Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School,…
Kubernetes Tutorials & Lab: Ingress with Loadbalancer
Sample Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/Ingress Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School,…
Kubernetes Lab: Services & Service Discovery
Sample Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/Services-ServiceDiscovery Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School,…
Kubernetes Tutorial – Create AKS Cluster
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Kubernetes Tutorial – Create GKE Cluster
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Kubernetes Lab – Investigating Networking & DNS
Sample Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/networking-dns Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School,…
Terraform Project – Assignment – Exercise – Lab#4: Datasource
How to submit Assignment? Please submit assignment @https://www.debug.school/ and POST url share in the comments of this post. Using Datasource, list out following info List of Images…
Terraform Project – Assignment – Exercise – Lab#1: Variables
How to submit Assignment? Please submit assignment @https://www.debug.school/ and POST url share in the comments of this post. Assignment – 1 Write a terraform script using aws…
Github Actions: Workflow Example Build and push Docker images to Container Registry
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
How To Create Linux Virtual Machine Using VirtualBox
Step by Step with Screenshot – https://www.devopsschool.com/blog/how-to-install-linux-on-windows-or-virtual-machine/ Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog…
Puppet: Jenkins Installation using Puppet Program
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
How DevOps Impact’s IT Business in Real-
Time
IT business is changing at a very fast pace, and that’s why it becomes tough for IT organizations to serve the business if it doesn’t adapt to…
GitHub Actions: Workflow Example with Maven
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Github Actions: Workflow Example Build and push Docker images to Docker Hub
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Get and Post Datadog Events using Datadog API
The events service allows you to programmatically post events to the event stream and fetch events from the event stream. Events are limited to 4000 characters. If…
Working with Hadoop Command line
Step 1 – Install & configure hadoop hdfc command line https://www.starkandwayne.com/blog/working-with-hdfs/ Step 1 – Upload Files to Hadoop HDFS using put Command https://data-flair.training/blogs/top-hadoop-hdfs-commands-tutorial/ Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud…
Top 5 AWS EC2 Performance Problems
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Splunk FAQ
How do I create source types for data originating from Forwarders? The Splunk platform does not support data preview through universal forwarders. Use a full Splunk platform…
Splunk Tutorial: Install & Configure Heavy Forwarders
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Splunk Tutorial: Install & Configure Universal Forwarders
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…