Optimizing Linux Filesystems for Databases and Virtualization

A practical guide to optimizing Linux filesystems for databases and virtualization, covering ext4, XFS, mount options, performance tuning, and real-world CLI examples. Table of Contents đIntroduction Modern databases and virtualized workloads place intense, often competing demands on storage. Low latency, high throughput, predictable performance, and strong data integrity are all non-negotiableâyet theyâre influenced heavily by […]
Securing MongoDB with TLS | SSL on RHELâŻ9

Learn how to secure MongoDB on RHELâŻ9 using TLS / SSLâstep-by-step instructions for certificate setup, configuring mongod, enforcing client authentication, and troubleshooting. Table of Contents đIntroduction Transport Layer Security (TLS) / SSL is essential to protect MongoDB traffic from eavesdropping and man-in-the-middle attacks. In this guide, youâll learn how to enable TLS for mongod or […]
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 đIntroduction MongoDBÂ is renowned for its flexibility and scalability as a NoSQL database, but when it comes to performance, indexing is everything. A well-designed index can make queries blazingly fast, while […]
Install MongoDB on RHEL 10 | CentOS 10

Learn how to install MongoDB (Community or Enterprise) on RHELâŻ10 / CentOSâŻ10 with stepâbyâstep repository setup, CLI commands, SELinux tips, and troubleshooting.â Table of Contents đIntroduction MongoDB is a leading NoSQL document database often used in production and development environments. If your organization is running RHEL 10 or CentOS 10, you may want to deploy […]
How to Safely Migrate from MySQL to PostgreSQL (Step-by-Step)

Learn how to safely migrate your MySQL database to PostgreSQL with this step-by-step guide. Get tips on tools, data migration, schema conversion, and performance optimization. Table of Contents đIntroduction Migrating from MySQL to PostgreSQL is an important yet sometimes tricky process. Whether you’re moving to PostgreSQL for better performance, richer features, or scalability, understanding the […]
PostgreSQL Containerization Best Practices

Learn PostgreSQL containerization best practicesâincluding secure images, persistent volumes, resource tuning, backups, monitoring & seamless upgradesâfor reliable cloud-native deployments. Table of Contents đIntroduction Containerizing PostgreSQL has revolutionized how developers, DevOps engineers, and sysadmins deploy and manage relational databases. With Docker and Kubernetes driving cloud-native infrastructure, following best practices in PostgreSQL containerization ensures scalability, maintainability, and […]
Deploy PostgreSQL Database on Podman: A Step-by-Step Guide

Learn how to deploy PostgreSQL database on Podman with this step-by-step guide. From installation to database setup, find out everything you need to know to run PostgreSQL containers efficiently. Table of Contents đIntroduction In the world of modern application development and containerization, Podman has gained significant traction as a container management tool. Itâs known for being a […]
Implement Full Disk Encryption on RHEL 9 | CentOS 9 for Zabbix and PostgreSQL

Learn how to implement full disk encryption on RHEL 9 or CentOS 9 for Zabbix running PostgreSQL database. This step-by-step guide helps secure your monitoring server with encryption. Table of Contents Introduction Data security is crucial, especially when handling sensitive information such as monitoring data and configuration files. For businesses using Zabbix and PostgreSQL on RHEL […]
Automate mysql_secure_installation via Ansible Roles for MySQL 8.4

Learn how to automate mysql_secure_installation via Ansible roles for MySQL 8.4. Secure your MySQL installation at scale with this step-by-step guide. Table of Contents Introduction MySQL 8.4 is one of the most popular open-source relational database management systems (RDBMS) used globally for its scalability, reliability, and performance. After installing MySQL, securing the installation is essential […]
Install MariaDB on RHEL 9 | CentOS 9: A Comprehensive Guide

Learn how to install MariaDB on RHEL 9 and CentOS 9 with this comprehensive step-by-step guide. Discover essential commands, configurations, and tips for setting up a robust database environment on your system. Perfect for beginners and seasoned users alike! Table of Contents đIntroduction Installing MariaDB on RHEL 9 or CentOS 9 can be a straightforward process […]
