Jira Assignment & Lab
Write down a details 5 posts on BestDevOps.com and share a Post’s url in the comment section with following answer. What are top 10 use cases of…
Confluence Assignment & Lab
Write down a details single post on BestDevOps.com and share a Post’s url in the comment section with following answer. What are top 5 use cases of…
A Fundamental Tutorial of PSScriptAnalyzer
PSScriptAnalyzer is a static code checker for PowerShell modules and scripts. PSScriptAnalyzer checks the quality of PowerShell code by running a set of rules. PSScriptAnalyzer is a…
How to Analyze Powershell code using Sonarqube?
SonarQube do not support Powershell language at present to analyze a Powershell code. There is no SonarQube PowerShell Plugin available as of now. Please refer – https://www.sonarqube.org/features/multi-languages/…
PowerShellGet Commands Reference
Managing Resources with PowerShellGet v3 The cmdlet names have changed in PowerShellGet v3. Instead of Install-Module, you will use Install-PSResource. It’s actually the same cmdlet for all resources such…
What is PowerShellGet and How to Install PowerShellGet 3.0
PowerShellGet is a PowerShell module with commands for discovering, installing, updating and publishing the PowerShell artifacts like Modules, Scripts, and DSC Resources. PowerShellGet require PowerShell 5.0 or…
What is Observability?
Observability is a term that originates from control theory, but in the context of software engineering and operations, it refers to the ability to understand the internal…
Common & Popular Ports Number used in OS
The most 50 significant ports are listed here: The following are some of the most common service names, transport protocol names, and port numbers used to differentiate…
What is DNS records? Most Common DNS records?
DNS Record Description A Maps domain names to IPv4 addresses AAAA Maps domain names to IPv6 addresses CNAME Redirects a domain to a different domain PTR Resolves…
Kubernetes CKS: Understanding Kubernetes PKI certificates & Security Best Practices
Kubernetes requires PKI certificates for authentication over TLS. If you install Kubernetes with kubeadm, the certificates that your cluster requires are automatically generated. You can also generate your…
What is Container Runtime Interface (CRI)?
Container Runtime Interface (CRI) Container runtime interface (CRI) is a plugin interface that lets the kubelet—an agent that runs on every node in a Kubernetes cluster—use more…
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
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?
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
Logging and Monitoring in kubernetes clusters
Source Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/logging-monitoring
Kubernetes Backup and Restore Complete Reference
Kubernetes cluster backup and restore using “etcdctl” tool Kubernetes cluster backup and restore using Velero
Kubernetes Tutorials & Lab: Ingress with NodePort
Sample Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/Ingress
Kubernetes Tutorials & Lab: Ingress with Loadbalancer
Sample Code – https://github.com/devopsschool-demo-labs-projects/kubernetes-lab-demo/tree/main/Ingress