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MongoDB Indexing Mistakes

Five Common MongoDB Indexing Mistakes That Kill Performance

Avoid MongoDB performance pitfalls by learning five common indexing mistakes that slow down your database. Includes CLI examples, charts, and actionable fixes. Table of Contents 🔈Introduction MongoDB is...
Install Splunk on RHEL 9 or CentOS 9

Install Splunk on RHEL 9 or CentOS 9: A Beginner's Guide

Learn how to install Splunk on RHEL9 or CentOS 9 with this beginner-friendly guide. Step-by-step instructions, CLI examples, and troubleshooting tips included. Table of Contents 🔈Introduction Splunk is...
Monitor SSH logins using Auditd and Logwatch

How to Monitor SSH Logins Using Auditd and Logwatch

Learn how to monitor SSH logins using Auditd and Logwatch on Linux. This step-by-step guide covers setup, configuration, log analysis, and reporting to enhance server security. Table of Contents 🔈Introduction...
Configure a firewall using UFW and Firewalld

Configure a Firewall using UFW (Ubuntu) and Firewalld (RHEL)

Learn how to configure a Linux firewall using UFW on Ubuntu and Firewalld on RHEL. Step-by-step CLI examples, best practices, and comparison tables included. Table of Contents 🔈Introduction Securing your...