Kernel Drivers

How to Enable WebSocket Proxying in Nginx on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Enable WebSocket Proxying in Nginx on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying enable websocket proxying in nginx both straightforward and auditable. This tutorial covers the complete procedure for how to Enable WebSocket Proxying in Nginx 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 mod_rewrite Rules in Apache on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure mod_rewrite Rules in Apache on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure mod_rewrite rules in apache both straightforward and auditable. This tutorial covers the complete procedure for how to Configure mod_rewrite Rules in Apache 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 CORS Headers in Nginx on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure CORS Headers in Nginx on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure cors headers in nginx both straightforward and auditable. This tutorial covers the complete procedure for how to Configure CORS Headers in Nginx 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 Set Up Basic Authentication in Nginx on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up Basic Authentication in Nginx on RHEL 10

Introduction How to Set Up Basic Authentication in Nginx 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 […]

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How to Configure Static File Serving with Nginx on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Static File Serving with Nginx on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure static file serving with nginx both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Static File Serving with Nginx on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Detect Rootkits with rkhunter and chkrootkit on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Detect Rootkits with rkhunter and chkrootkit on RHEL 9

Rootkits are among the most dangerous forms of malware — they conceal themselves and other malicious software deep within the operating system, often modifying system binaries and kernel modules to hide their presence from standard tools. Detecting rootkits requires specialised scanners that check for known signatures, hidden files, suspicious processes, and tampered system binaries. This […]

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How to Configure Nginx Load Balancing on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Nginx Load Balancing on RHEL 10

Introduction How to Configure Nginx Load Balancing 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 […]

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How to Configure nftables Firewall on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure nftables Firewall on RHEL 9

nftables is the modern successor to iptables and is the default firewall framework in RHEL 9. It replaces iptables, ip6tables, arptables, and ebtables with a single unified tool, offering better performance through an improved kernel path, atomic rule replacement, and a cleaner, more readable configuration syntax. This tutorial covers everything you need to know to […]

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How to Install HAProxy Load Balancer on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install HAProxy Load Balancer on RHEL 10

Introduction How to Install HAProxy Load Balancer 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 […]

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How to Configure iptables Firewall Rules on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure iptables Firewall Rules on RHEL 9

iptables has been the standard Linux packet-filtering firewall for over two decades, and while RHEL 9 ships with nftables and firewalld as the preferred tools, iptables remains available and is widely understood by seasoned administrators. Learning iptables gives you deep insight into how Linux netfilter works and is valuable for managing legacy systems or containers […]

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