https://sagarpanda.com/blogs/ Technical notes and hands-on guides covering DevOps, AWS, Kubernetes, Terraform, CI/CD, observability, and security. en Sat, 15 Aug 2026 00:00:00 GMT https://sagarpanda.com/blogs/devsecops/ https://sagarpanda.com/blogs/devsecops/ Sat, 15 Aug 2026 00:00:00 GMT Hands-on DevSecOps on EKS with Gitleaks, Semgrep, Trivy, Kyverno, Falco, OWASP ZAP and DefectDojo https://sagarpanda.com/blogs/ldap-sso/ https://sagarpanda.com/blogs/ldap-sso/ Tue, 28 Jul 2026 05:15:10 GMT A complete, from-scratch identity and access management project — a directory service, an open-source identity provider, a commercial identity provider, and a real application wired into both. https://sagarpanda.com/blogs/monitoring/otel-on-eks/ https://sagarpanda.com/blogs/monitoring/otel-on-eks/ Sat, 20 Jun 2026 02:15:10 GMT Building a Cloud Native observability platform on Amazon EKS with OpenTelemetry, GitOps, Terraform, multi-backend telemetry, and Claude powered analysis https://sagarpanda.com/blogs/monitoring/opentelemetry/ https://sagarpanda.com/blogs/monitoring/opentelemetry/ Mon, 08 Jun 2026 03:40:10 GMT Part 2 - Explore Prometheus, Jaegar and Grafna in details for distributed metrics https://sagarpanda.com/blogs/monitoring/observability/ https://sagarpanda.com/blogs/monitoring/observability/ Tue, 02 Jun 2026 14:00:10 GMT Part 1 - Get to know the 3 pillars and 4 golden signals of distrubuted observability https://sagarpanda.com/blogs/github-automation/ https://sagarpanda.com/blogs/github-automation/ Sun, 24 May 2026 07:15:10 GMT Learn to manage github repo with automation. Create PR/Issue templates, label PRs automatically and more. https://sagarpanda.com/blogs/aws/s3files/ https://sagarpanda.com/blogs/aws/s3files/ Wed, 22 Apr 2026 07:00:10 GMT Learn how to mount S3 buckets natively on your EC2 instances using the new NFS v4.1+ interface. https://sagarpanda.com/blogs/aws/cloudfront/ https://sagarpanda.com/blogs/aws/cloudfront/ Sun, 19 Apr 2026 04:45:10 GMT CloudFront is a CDN service that speeds up web content delivery by caching it on servers around the world. https://sagarpanda.com/blogs/gitlab/gitlab-setup/ https://sagarpanda.com/blogs/gitlab/gitlab-setup/ Sun, 12 Apr 2026 05:15:10 GMT Launch Your Own GitLab Instance in Minutes https://sagarpanda.com/blogs/k8s/statefulset/ https://sagarpanda.com/blogs/k8s/statefulset/ Tue, 07 Apr 2026 05:00:10 GMT Part XV: Understanding Stable Pod Identity, Headless Services, and Persistent Storage in StatefulSets https://sagarpanda.com/blogs/kafka/ https://sagarpanda.com/blogs/kafka/ Wed, 18 Mar 2026 13:56:10 GMT Microservices are loud. Kafka makes them finally think together https://sagarpanda.com/blogs/terraform/tf-module/ https://sagarpanda.com/blogs/terraform/tf-module/ Sun, 22 Dec 2024 13:56:10 GMT Chapter VI - Learn what is Module in Terraform/OpenTofu and how it helps us in reusing the same config. https://sagarpanda.com/blogs/nginx/nginx-mtls/ https://sagarpanda.com/blogs/nginx/nginx-mtls/ Mon, 09 Dec 2024 13:56:10 GMT Discover how mTLS strengthens security and learn to set it up with NGINX. https://sagarpanda.com/blogs/k8s/k8s-probes/ https://sagarpanda.com/blogs/k8s/k8s-probes/ Mon, 11 Nov 2024 13:56:10 GMT Part XIV — Learn how Kubernetes Readiness, Liveness, and Startup probes keep your applications healthy and resilient https://sagarpanda.com/blogs/linux/crowdsec/ https://sagarpanda.com/blogs/linux/crowdsec/ Mon, 30 Sep 2024 13:56:10 GMT Install and configure CrowdSec for securing your infrastructure, a step by step guide for getting started. https://sagarpanda.com/blogs/terraform/terraform-aws-vpc/ https://sagarpanda.com/blogs/terraform/terraform-aws-vpc/ Fri, 20 Sep 2024 13:56:10 GMT Build Your Own AWS VPC - Simple Terraform Deployment Steps! https://sagarpanda.com/blogs/aws/aws-secretmanager/ https://sagarpanda.com/blogs/aws/aws-secretmanager/ Sat, 14 Sep 2024 13:56:10 GMT AWS Secrets Manager is a service designed to help us securely store and manage sensitive information such as passwords, API keys etc. https://sagarpanda.com/blogs/aws/aws-waf/ https://sagarpanda.com/blogs/aws/aws-waf/ Tue, 20 Aug 2024 13:56:10 GMT AWS Web Application Firewall is a security service that helps protect web apps from common web exploits and attacks https://sagarpanda.com/blogs/linux/shellscript4/ https://sagarpanda.com/blogs/linux/shellscript4/ Wed, 26 Jun 2024 13:56:10 GMT Part 4: Using exit codes with if condition, manipulation by forcing exit codes. https://sagarpanda.com/blogs/k8s/k8s-monitoring/ https://sagarpanda.com/blogs/k8s/k8s-monitoring/ Mon, 10 Jun 2024 13:56:10 GMT Part XIII — Helm setup to Monitor your k8s infra using Prometheus and Grafana. https://sagarpanda.com/blogs/linux/linux-tips2/ https://sagarpanda.com/blogs/linux/linux-tips2/ Tue, 28 May 2024 13:56:10 GMT Reverse cmd search, date and time in history and more. https://sagarpanda.com/blogs/k8s/rbac/ https://sagarpanda.com/blogs/k8s/rbac/ Mon, 20 May 2024 13:56:10 GMT Part XII — User Management in K8s with RBAC using Entra ID aka Azure Active Directory. https://sagarpanda.com/blogs/terraform/terraform5/ https://sagarpanda.com/blogs/terraform/terraform5/ Sun, 12 May 2024 04:56:10 GMT Chapter V - Dynamically fetch data from remote using data source in Terraform/OpenTofu. https://sagarpanda.com/blogs/linux/linux-tips1/ https://sagarpanda.com/blogs/linux/linux-tips1/ Sun, 05 May 2024 13:56:10 GMT Essential Linux Terminal Hacks for Efficiency https://sagarpanda.com/blogs/k8s/helm/ https://sagarpanda.com/blogs/k8s/helm/ Wed, 01 May 2024 13:56:10 GMT Part XI - Getting started with Helm, the package manager for Kubernetes for easy application management. https://sagarpanda.com/blogs/aws/aws-alb/ https://sagarpanda.com/blogs/aws/aws-alb/ Sat, 27 Apr 2024 13:56:10 GMT See how AWS ALB effortlessly manages traffic, and supports high availability to keep your app running smoothly. https://sagarpanda.com/blogs/aws/aws-lambda/ https://sagarpanda.com/blogs/aws/aws-lambda/ Sat, 27 Apr 2024 13:56:10 GMT Schedule auto turn on/off EC2 instances with Lambda Function based on a cron schedule https://sagarpanda.com/blogs/k8s/nginx-ingress-tls/ https://sagarpanda.com/blogs/k8s/nginx-ingress-tls/ Sun, 07 Apr 2024 13:56:10 GMT Part IX - Using Domain name with TLS Cert for Nginx Ingress Controller. https://sagarpanda.com/blogs/k8s/nginx-ingress/ https://sagarpanda.com/blogs/k8s/nginx-ingress/ Mon, 01 Apr 2024 13:56:10 GMT Nginx Ingress setup in kubernetes https://sagarpanda.com/blogs/linux/shellscrpt3/ https://sagarpanda.com/blogs/linux/shellscrpt3/ Fri, 22 Mar 2024 13:56:10 GMT Part 3: Usage of if, else and elif statements in shell scripting https://sagarpanda.com/blogs/linux/shellscript2/ https://sagarpanda.com/blogs/linux/shellscript2/ Sun, 10 Mar 2024 13:56:10 GMT Part 2: Usage of variables to set changeable data, and math functions for arithmetic operations https://sagarpanda.com/blogs/linux/shellscript1/ https://sagarpanda.com/blogs/linux/shellscript1/ Thu, 29 Feb 2024 13:56:10 GMT Part 1: Introduction to Bash, shell and scripting for task automation https://sagarpanda.com/blogs/k8s/argocd/ https://sagarpanda.com/blogs/k8s/argocd/ Sat, 10 Feb 2024 13:56:10 GMT Part VII - Continuous deployment of containerized applications into Kubernetes. https://sagarpanda.com/blogs/k8s/calico-cni/ https://sagarpanda.com/blogs/k8s/calico-cni/ Mon, 22 Jan 2024 13:56:10 GMT Part VI — In K8s, a network policy defines how pods are allowed to communicate with each other. https://sagarpanda.com/blogs/nginx/letsencrypt-ssl/ https://sagarpanda.com/blogs/nginx/letsencrypt-ssl/ Mon, 06 Nov 2023 13:56:10 GMT Setup SSL certificate for free. Secure your application with Let’s Encrypt - DIY Guide https://sagarpanda.com/blogs/github-actions/ https://sagarpanda.com/blogs/github-actions/ Sat, 21 Oct 2023 13:56:10 GMT GitHub Actions is a modern CI/CD alternative to Jenkins. https://sagarpanda.com/blogs/monitoring/blackbox/ https://sagarpanda.com/blogs/monitoring/blackbox/ Mon, 25 Sep 2023 14:00:10 GMT Configure Blackbox Exporter to View Site details in Grafana, get alerts for TLS expiration and other details. https://sagarpanda.com/blogs/monitoring/alertmanager/ https://sagarpanda.com/blogs/monitoring/alertmanager/ Fri, 08 Sep 2023 14:00:10 GMT Get mail alerts from Prometheus about server resource usage. https://sagarpanda.com/blogs/monitoring/prometheus/ https://sagarpanda.com/blogs/monitoring/prometheus/ Sat, 26 Aug 2023 14:00:10 GMT Monitoring Linux Server with Prometheus Node exporter. Setup using docker. https://sagarpanda.com/blogs/terraform/terraform2/ https://sagarpanda.com/blogs/terraform/terraform2/ Sun, 09 Jul 2023 04:56:10 GMT Chapter II —Generating Output, using Variables and Refactoring the Script into different files. https://sagarpanda.com/blogs/terraform/terraform-setup/ https://sagarpanda.com/blogs/terraform/terraform-setup/ Sun, 02 Jul 2023 04:56:10 GMT Chapter I — Getting Started, setup, terminologies and basic examples.. https://sagarpanda.com/blogs/k8s/deployments/ https://sagarpanda.com/blogs/k8s/deployments/ Sat, 24 Jun 2023 13:56:10 GMT Part IV— Deployment using YAML, Strategies and Rollback. https://sagarpanda.com/blogs/k8s/k8s-intro/ https://sagarpanda.com/blogs/k8s/k8s-intro/ Thu, 22 Jun 2023 13:56:10 GMT Part I — Intro, Components and Architecture https://sagarpanda.com/blogs/ansible/ansible3/ https://sagarpanda.com/blogs/ansible/ansible3/ Sun, 18 Jun 2023 13:56:10 GMT Part 3: Learn about Notify Handler, Error handling, Vault and Roles https://sagarpanda.com/blogs/ansible/ansible2/ https://sagarpanda.com/blogs/ansible/ansible2/ Mon, 29 May 2023 13:56:10 GMT Chapter 2 - Groups, Variables, Conditionals and Loops in Ansible https://sagarpanda.com/blogs/ansible/ansible1/ https://sagarpanda.com/blogs/ansible/ansible1/ Sun, 21 May 2023 13:56:10 GMT Chapter 1 - Installation, basics and playbook https://sagarpanda.com/blogs/sonarqube-jenkins/ https://sagarpanda.com/blogs/sonarqube-jenkins/ Mon, 01 May 2023 13:56:10 GMT Code Quality Analysis with SonrQube on Jenkins https://sagarpanda.com/blogs/nginx/nginx-lb/ https://sagarpanda.com/blogs/nginx/nginx-lb/ Sat, 22 Apr 2023 13:56:10 GMT Load Balance Multiple servers with Nginx. Run multiple servers (containers) using Docker Compose. https://sagarpanda.com/blogs/docker/docker-operations/ https://sagarpanda.com/blogs/docker/docker-operations/ Sun, 16 Apr 2023 13:56:10 GMT Docker Chapter 2 — How to Build and Push your first image. https://sagarpanda.com/blogs/docker/docker-setup/ https://sagarpanda.com/blogs/docker/docker-setup/ Sun, 16 Apr 2023 13:56:10 GMT Docker Chapter 1 — How to Install Docker on Linux and Windows. https://sagarpanda.com/blogs/apache/apache-config/ https://sagarpanda.com/blogs/apache/apache-config/ Mon, 27 Mar 2023 13:56:10 GMT Apache HTTP Server Setup: A Guide to Key Configurations https://sagarpanda.com/blogs/apache/apache-setup/ https://sagarpanda.com/blogs/apache/apache-setup/ Wed, 25 Jan 2023 13:56:10 GMT Learn How to setup Apache HTTP webserver