Nagios Core is an open-source infrastructure monitoring system that tracks servers, switches, applications, and services. It alerts you…
AIDE (Advanced Intrusion Detection Environment) is a file integrity monitoring tool that creates a database of file attributes…
ClickHouse is an open-source columnar database management system built for online analytical processing (OLAP). It handles billions of…
Kubernetes secrets are namespace-scoped, meaning a secret created in one namespace is not accessible from another. This becomes…
Running services as root is a security risk. If a process gets compromised, the attacker gains full control…
PowerShell is Microsoft’s cross-platform task automation tool that combines a command-line shell with a scripting language. Originally built…
Every Linux system with user accounts needs a password policy. Without one, users keep the same password forever,…
HashiCorp Vault is a secrets management tool that provides a centralized way to store, access, and distribute secrets…
GitHub CLI (gh) is the official command-line tool from GitHub that brings pull requests, issues, repositories, gists, and…
OpenStack private networks enable instances to be reached safely without being exposed to the public internet. Private networks…
Terraform automates infrastructure provisioning on OpenStack through declarative configuration files. Instead of manually creating instances, networks, and volumes…
Kolla-Ansible deploys OpenStack services as Docker containers, making installation and upgrades far simpler than traditional package-based methods. Each…
