Database

How to Set Up a Complete DevSecOps Pipeline on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Complete DevSecOps Pipeline on RHEL 7

How to Set Up a Complete DevSecOps Pipeline on RHEL 7 DevSecOps integrates security testing directly into every phase of the software delivery lifecycle rather than treating it as a final gate before production. The goal is to detect vulnerabilities, exposed secrets, and misconfigurations early — when they are cheap to fix — and to […]

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How to Configure Chrony as a Time Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Chrony as a Time Server on RHEL 7

How to Configure Chrony as a Time Server on RHEL 7 Accurate system time is foundational to almost every enterprise workload. Kerberos authentication, TLS certificate validation, log correlation, and database replication all depend on clocks that stay in sync. While ntpd has served Linux administrators for decades, Red Hat Enterprise Linux 7 ships Chrony as […]

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How to Deploy a .NET Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a .NET Application on RHEL 7

How to Deploy a .NET Application on RHEL 7 Microsoft’s .NET (formerly .NET Core) is a cross-platform, open-source runtime that runs on Linux, including Red Hat Enterprise Linux 7. With Microsoft publishing an official yum repository for RHEL, installing .NET SDK and deploying web applications is straightforward and fully supported. In this tutorial, you will […]

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How to Monitor MySQL with Prometheus on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Monitor MySQL with Prometheus on FreeBSD 14

Introduction This guide explains how to Monitor MySQL with Prometheus on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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How to Configure MariaDB Galera Cluster on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure MariaDB Galera Cluster on FreeBSD 14

Introduction Deploying configure mariadb galera cluster on freebsd 14 on a FreeBSD 14 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 7

How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 7 Running a single PostgreSQL instance is a liability in any production environment — it is a single point of failure that, when it goes down, takes your entire application with it. Patroni is an open-source, Python-based high-availability solution for PostgreSQL that uses […]

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How to Install and Use Podman Pods on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Use Podman Pods on RHEL 7

How to Install and Use Podman Pods on RHEL 7 Podman is a daemonless, rootless-capable container engine that ships with modern versions of RHEL and is available via EPEL on RHEL 7. One of Podman’s most powerful features is pods — a concept borrowed directly from Kubernetes. A pod is a group of one or […]

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How to Secure MySQL on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Secure MySQL on FreeBSD 14

Introduction This guide explains how to Secure MySQL on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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How to Configure Kerberos Authentication on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Kerberos Authentication on RHEL 7

How to Configure Kerberos Authentication on RHEL 7 Kerberos is a network authentication protocol that uses symmetric-key cryptography to allow clients and servers to prove their identity to each other securely without transmitting passwords over the network. It is the backbone of authentication in Active Directory environments and is natively supported across Linux through MIT […]

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How to Set Up LDAP with OpenLDAP on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up LDAP with OpenLDAP on RHEL 7

How to Set Up LDAP with OpenLDAP on RHEL 7 OpenLDAP is the most widely deployed open-source implementation of the Lightweight Directory Access Protocol and serves as the foundation for centralized authentication, authorization, and user directory services across Linux environments. On RHEL 7, OpenLDAP is available directly from the base repositories and integrates tightly with […]

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