SQLite is a serverless, file-based relational database engine that requires no installation of a separate server process and no ongoing administration. It stores an entire database — tables, indexes, and data — in a single cross-platform file, making it ideal for development environments, embedded applications, configuration stores, and lightweight production workloads that do not need […]
How to Install ClamAV Antivirus on RHEL 7 ClamAV is the leading open-source antivirus engine used on Linux servers, primarily for scanning files shared with Windows clients, email attachments passing through mail gateways, and uploaded content on web servers. While RHEL 7 itself is rarely the target of self-propagating malware, compliance frameworks such as PCI-DSS, […]
How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 7 Prometheus is an open-source monitoring system that scrapes metrics from instrumented targets at regular intervals and stores them in a time-series database. For MySQL monitoring, the official mysqld_exporter binary exposes hundreds of MySQL performance schema metrics, InnoDB statistics, replication lag, and query throughput in the […]
With Terraform installed on RHEL 8, the next step is writing real-world HCL configurations that provision cloud infrastructure. HashiCorp Configuration Language 2 (HCL2) provides a clean, human-readable syntax for defining providers, resources, variables, and outputs that can be version-controlled alongside your application code. This tutorial walks through provisioning an AWS EC2 instance — covering input […]
How to Set Up a Bash Profile, .bashrc and Environment Variables on RHEL 7 A well-configured shell environment can dramatically improve your productivity as a Linux administrator. On Red Hat Enterprise Linux 7, Bash is the default login shell and it reads several configuration files at startup, each serving a distinct purpose. Understanding the difference […]
Running your own DNS server gives you full control over name resolution for internal infrastructure and reduces dependency on external resolvers. BIND9 (Berkeley Internet Name Domain) is the most widely deployed DNS server in the world and is available in the default RHEL 8 repositories. On RHEL 8, the package is split into bind (the […]
Apache Kafka is a distributed event streaming platform capable of handling millions of messages per second, making it a popular choice for real-time data pipelines, log aggregation, and event-driven microservices. Kafka is distributed as a self-contained binary archive and does not require a package manager installation, so the setup process involves downloading, configuring, and wrapping […]
Flask is a lightweight Python web framework well-suited for building APIs and web applications on RHEL 8. Gunicorn acts as the production-grade WSGI server that runs your Flask app, while Nginx sits in front as a reverse proxy handling incoming traffic. This guide walks through deploying a Flask application on RHEL 8 using a Python […]
How to Install Rust and Compile System Tools on RHEL 7 Rust is a systems programming language that offers memory safety without a garbage collector, making it an ideal choice for building high-performance command-line utilities, daemons, and system-level tools. On RHEL 7, the system compiler and C runtime are older, but Rust’s installer rustup sidesteps […]
How to Install Laravel on RHEL 7 Laravel is one of the most popular PHP frameworks, renowned for its expressive syntax, robust ORM (Eloquent), built-in authentication scaffolding, and an ecosystem of first-party packages for queuing, broadcasting, and caching. Installing Laravel on RHEL 7 requires assembling several components: a recent PHP version from the Remi repository, […]
