Firewall

How to Configure Shared Ethernet Adapter on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Shared Ethernet Adapter on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure shared ethernet adapter on ibm aix 7.2 on […]

Read more
How to Deploy Applications with Helm on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy Applications with Helm on Oracle Linux 8

Introduction This tutorial demonstrates how to Deploy Applications with Helm on Oracle Linux 8 on Oracle Linux 8. 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 Oracle Linux 8 system with the […]

Read more
Common Problems 115615

RHEL 7 NFS Access Denied By firewalld Missing Ports

🟠 High   ⏱ 5–30 min  Last verified: 6 January 2021 Affected versions: RHEL 7 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

Read more
How to Set Up Datadog Agent on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Datadog Agent on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up datadog agent on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Datadog Agent on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

Read more
How to Set Up a VPN with SSTP on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up a VPN with SSTP on Windows Server 2012 R2

How to Set Up a VPN with SSTP on Windows Server 2012 R2 Secure Socket Tunneling Protocol (SSTP) is a Microsoft VPN protocol that encapsulates Point-to-Point Protocol (PPP) traffic over an HTTPS connection using SSL/TLS on port 443. SSTP VPNs are highly firewall-friendly because they use the same port as HTTPS web traffic, making them […]

Read more
How to Set Up MySQL with SSL on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up MySQL with SSL on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up mysql with ssl on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up MySQL with SSL on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the […]

Read more
How to Configure BGP Route Reflector on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure BGP Route Reflector on Windows Server 2016

How to Configure Windows Server 2016 BGP Route Reflector Border Gateway Protocol (BGP) is the routing protocol that underpins the modern internet and is increasingly used within enterprise and cloud environments to enable dynamic routing between networks. In Windows Server 2016, the Remote Access Server role includes a fully functional BGP router implementation. A BGP […]

Read more
How to Set Up Windows Deployment Services (WDS) on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Deployment Services (WDS) on Windows Server 2019

Introduction to Windows Deployment Services Windows Deployment Services (WDS) is a server role in Windows Server 2019 that enables network-based operating system deployment using PXE (Preboot Execution Environment) boot. WDS allows administrators to deploy Windows operating systems to bare-metal machines or to re-image existing machines over the network without physical media. It stores boot images […]

Read more
Common Problems 113112

Windows Server 2016 — TLS cipher suite hardening breaks legacy API integrations on internal services — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 4 January 2021 Affected versions: Windows Server 2016 📖 ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

Read more
How to Enable the EPEL Repository on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Enable the EPEL Repository on Oracle Linux 8

Introduction How to Enable the EPEL Repository on Oracle Linux 8 on Oracle Linux 8 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 […]

Read more
CHAT