Welcome to Hepapi Knowledge Hub

Hello there! 👋

This repository was created with the singular goal of fostering collaboration, knowledge exchange, and continuous learning among our team members at Hepapi.

We recognize that knowledge is power, and in our constantly evolving field, it's crucial to keep up with the latest technologies, methodologies, and best practices.

This repository is a live document, and we encourage everyone to contribute. If you have something valuable to share, don't hesitate to make a contribution. Remember, what may be obvious to you could be new to someone else.

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We are always looking for ways to improve our documentation. If you have any suggestions, please feel free to open an issue or a pull request.

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Compendium

azure

• Azure Self-Hosted Agent Installation

k8s-engine

• Restoring RKE2 Clusters
• Deploy RKE2 Highly Available Cluster
• System Upgrade Controller
• RKE2 Cluster Installation With Ansible
• RKE2 Setup
• K3S Setup

opentelemetry

• OpenTelemetry Instrumentation: Manual vs. Automatic

vagrant

• Vagrant

devsecops

• Vault Installation - Using Helm and running on Kubernetes Clsuter
• Deep Dive into Security Monitoring in Kubernetes Environments: An Introduction to Falco
• DevSecOps End to End Pipeline with SonarQube,OWASP Dependency-Check,Conftest and Trivy
• External Secret Operator

sealed-secrets

• Understanding Sealed Secrets: Solving the Challenge of Securely Managing Kubernetes Secrets

service-mesh

• What is Istio?

postgres

• PoC
• psql CLI
• Backup
• Postgres Configuration

docker

• Docker Management with Portainer

terragrunt

• What is Terragrunt?

jenkins

• Jenkins
• Jenkins Install
• Jenkins Shared Library

kubernetes

• Simplify Cluster Backups with Velero
• Velero Cheat Sheet
• Upgrading an EKS Hybrid Cluster Using nodeadm
• KEDA (Kubernetes Event-driven Autoscaling) WITH CRON
• KEDA (Kubernetes Event-driven Autoscaling)

linux

• Linux Tooling
• SCP Command
• cht.sh Command Tool
• NSLOOKUP
• script command
• Netstat & SS Command
• nohup and &
• cat
• jobs, bg, and fg
• NMap Command
• Linux Tips

k8s-storage

• Ceph Installation Guide
• k8s-storage/longhorn.md
• Prerequisites & Key Considerations
• NFS Setup Requirements

networking

• Export Required Environment Variables

aws

• AWS CLI
• AWS IAM Identity Center (successor to AWS Single Sign-On), What is SSO?

sre

• k8sgpt

gitlab

• GitLab Self-Hosted on Kubernetes - Installation Guide
• GitLab Runner Installation Guide

ansible

• Inventory and Variables
• Install Ansible with pipx
• What is Ansible ?
• Install Ansible with pipx
• Ansible Playbooks
• Ansible Roles
• Ansible Configuration File

nexus

• Docker Hosted Repository
• Docker Proxy Repository
• Nexus Installation - Docker Private Registry
• RKE2 Registry Configuration
• Principle of least privilege
• Copy Nexus Credentials into Kubernetes

git

• Version Control System (VCS)
• git/Commands.md
• Downloading Git

rancher

• Rancher Installation

falcon-logscale

• Kafka Installation (kafka.sh)
• Falcon LogScale Setup With Docker
• Falcon LogScale Agent(Log Collector) Setup
• Installation
• falcon-logscale/javainstallation.md
• Apt package update ####
• Humio Single Node Installation Guide
• Installation
• Installation
• Apt package update ####

logging

• ELK Stack with FileBeat
• Grafana Loki: Distributed Log Management and Collection
• Elasticsearch-Exporter
• Elasticsearch-Snapshot
• elastalert2
• Install Loki,Promtail,Grafana
• Elasticsearch + Kibana Upgrade (Rolling, 3 Master Nodes)
• Elasticsearch Index Lifecycle Management
• EFK Stack (Elasticsearch, Fluentbit, Kibana) via Minikube

sonarqube

• How to Set Up SonarQube with PostgreSQL, Nginx and LDAP Using Docker Compose: A Comprehensive Guide

monitoring

• 🔐 Monitoring TLS Certificate Expiration in Kubernetes with Alerting

sumo

• Install a Sumo Logic Collector on Linux
• Local Configuration File Management
• Install a Sumo Logic Collector on Windows