Capacity Planning

How to Install .NET SDK and Runtime on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install .NET SDK and Runtime on RHEL 8

.NET is Microsoft’s open-source, cross-platform framework for building web APIs, console applications, microservices, and more. RHEL 8 is a fully supported platform for .NET 8, and Microsoft provides a dedicated package repository that integrates cleanly with dnf. This tutorial shows you how to add the Microsoft repository, install the .NET 8 SDK and ASP.NET Core […]

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How to Install Ruby with rbenv on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Ruby with rbenv on RHEL 8

Ruby is a dynamic, expressive language used widely for web development, scripting, and automation. On RHEL 8, the system repositories may offer an older Ruby version that does not suit modern projects. rbenv solves this by letting you install and switch between multiple Ruby versions per user without touching system files. This tutorial walks you […]

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How to Install Go on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Go on RHEL 8

Go (also called Golang) is a statically typed, compiled language designed for simplicity and performance, making it an excellent choice for building web services, CLI tools, and DevOps utilities on Linux servers. Unlike interpreted runtimes, Go compiles to a single self-contained binary with no external dependencies, which simplifies deployment significantly. In this tutorial you will […]

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How to Install Apache Kafka on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Apache Kafka on RHEL 8

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 […]

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How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 8

Prometheus is a popular open-source monitoring system that collects metrics by scraping HTTP endpoints called exporters. The mysqld_exporter binary exposes MySQL server metrics in Prometheus format so you can build dashboards, set alerts, and track database health over time. In this tutorial you will create a dedicated MySQL monitoring user with least-privilege grants, deploy mysqld_exporter […]

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How to Use Percona XtraBackup for MySQL Hot Backups on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Percona XtraBackup for MySQL Hot Backups on RHEL 8

Percona XtraBackup is an open-source hot backup utility for MySQL and Percona Server that performs physical backups without locking tables or interrupting active queries on InnoDB tables. Unlike mysqldump, which produces logical SQL dumps, XtraBackup copies InnoDB data files directly and replays the transaction log to bring the backup to a consistent state, making it […]

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How to Install ClickHouse Columnar Database on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install ClickHouse Columnar Database on RHEL 8

ClickHouse is an open-source columnar database management system designed for real-time analytical queries over large datasets. Unlike row-oriented databases such as MySQL or PostgreSQL, ClickHouse stores data by column, allowing it to scan only the columns needed for a query and apply aggressive compression, resulting in query performance orders of magnitude faster for analytical workloads. […]

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How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 8

PostgreSQL provides two complementary tools for database backups: pg_dump and pg_basebackup. pg_dump takes logical backups of individual databases or selected objects and can restore to a different PostgreSQL version or host. pg_basebackup takes a physical, byte-for-byte copy of the entire data directory, which is the foundation of streaming replication and point-in-time recovery. This tutorial covers […]

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How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8

Regular database backups are one of the most important operational habits for any MySQL deployment, and RHEL 8 provides all the tools you need to implement a solid backup strategy. mysqldump produces portable SQL dumps that are easy to restore and inspect, while mysqlpump adds parallelism for faster exports on larger datasets. This tutorial covers […]

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How to Manage System Packages with dnf on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Manage System Packages with dnf on RHEL 8

DNF (Dandified YUM) is the default package manager on RHEL 8, replacing the older yum command with improved dependency resolution, transaction history, and modular package support through AppStream. Whether you are installing software, managing module streams, or adding third-party repositories like EPEL, dnf is the single tool for the job. This tutorial covers daily package […]

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