Operations

How to Monitor MariaDB Performance with mytop on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Monitor MariaDB Performance with mytop on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying monitor mariadb performance with mytop both straightforward and auditable. This tutorial covers the complete procedure for how to Monitor MariaDB Performance with mytop on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Configure PostgreSQL Connection Pooling with PgBouncer on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure PostgreSQL Connection Pooling with PgBouncer on RHEL 10

Introduction Setting up configure postgresql connection pooling with pgbouncer on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure PostgreSQL Connection Pooling with PgBouncer on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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How to Set Up a Certificate Authority with OpenSSL on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on RHEL 9

A private Certificate Authority (CA) lets you issue and manage TLS certificates for internal services without paying a public CA for every certificate. On RHEL 9, OpenSSL provides all the tools needed to build a two-tier CA hierarchy: a root CA (kept offline and highly protected) and an intermediate CA (used for day-to-day signing). This […]

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How to Install ClickHouse on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install ClickHouse on RHEL 10

Introduction How to Install ClickHouse on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible and production-safe. […]

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How to Configure Mandatory Access Control with SELinux Policies on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Mandatory Access Control with SELinux Policies on RHEL 9

SELinux (Security-Enhanced Linux) enforces Mandatory Access Control (MAC) on RHEL 9, confining processes to only the resources they are explicitly permitted to access regardless of traditional Unix file permissions. While RHEL ships with comprehensive base policies, custom applications often generate AVC (Access Vector Cache) denials because their access patterns are not covered by existing policy […]

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How to Install TimescaleDB on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install TimescaleDB on RHEL 10

Introduction Setting up install timescaledb on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install TimescaleDB on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the result on […]

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How to Install InfluxDB 2 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install InfluxDB 2 on RHEL 10

Introduction This tutorial demonstrates how to Install InfluxDB 2 on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. […]

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How to Install HashiCorp Vault for Secrets Management on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install HashiCorp Vault for Secrets Management on RHEL 9

HashiCorp Vault is an open-source secrets management platform that provides secure storage, access control, and auditing for sensitive data such as API keys, passwords, certificates, and encryption keys. Instead of hardcoding secrets in application configs or environment variables, applications request them from Vault at runtime using short-lived tokens or AppRole credentials. This tutorial covers installing […]

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How to Install CouchDB on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install CouchDB on RHEL 10

Introduction How to Install CouchDB on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible and production-safe. […]

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How to Configure Suricata IDS/IPS on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Suricata IDS/IPS on RHEL 9

Suricata is a high-performance, open-source network intrusion detection and prevention system (IDS/IPS) that inspects traffic in real time against a rule set to identify threats, policy violations, and malicious activity. On RHEL 9, Suricata integrates cleanly with systemd and can run in passive IDS mode (logging alerts without blocking) or active IPS mode (dropping malicious […]

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