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.

Follow the docs on: How to contribute

Compendium

docker

• Docker Management with Portainer

linux

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

git

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

kubernetes

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

sonarqube

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

rancher

• Rancher Installation

postgres

• Backup
• Postgres Configuration
• psql CLI
• PoC

azure

• Azure Self-Hosted Agent Installation

k8s-engine

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

nexus

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

gitlab

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

monitoring

• 🔐 Monitoring TLS Certificate Expiration in Kubernetes with Alerting

sre

• k8sgpt

service-mesh

• What is Istio?

opentelemetry

• OpenTelemetry Instrumentation: Manual vs. Automatic

aws

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

sumo

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

logging

• Elasticsearch http.p12 Certificate Renewal
• ELK Stack with FileBeat
• Elasticsearch + Kibana Upgrade (Rolling, 3 Master Nodes)
• EFK Stack (Elasticsearch, Fluentbit, Kibana) via Minikube
• Elasticsearch Index Lifecycle Management
• Elasticsearch-Exporter
• elastalert2
• Install Loki,Promtail,Grafana
• x509-cert-exporter — Elasticsearch Certificate Monitoring
• Elasticsearch-Snapshot
• Grafana Loki: Distributed Log Management and Collection

sealed-secrets

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

ansible

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

networking

• Export Required Environment Variables

devsecops

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

terragrunt

• What is Terragrunt?

jenkins

• Jenkins Install
• Jenkins Shared Library
• Jenkins

vagrant

• Vagrant

falcon-logscale

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

k8s-storage

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