authentication

How to Set Up Attack Surface Reduction Rules on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Attack Surface Reduction Rules on Windows Server 2019

Introduction to Attack Surface Reduction Rules Attack Surface Reduction (ASR) rules are a set of targeted security policies in Windows Defender on Windows Server 2019 that block specific behaviors commonly used by malware and attackers—without requiring signature-based detection. ASR rules target abuse of Office macros, script execution techniques, credential theft from LSASS, exploitation of email […]

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How to Set Up Samba File Sharing on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Samba File Sharing on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up samba file sharing on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Samba File Sharing on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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How to Configure IIS Web Server on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure IIS Web Server on Windows Server 2022

How to Configure Event Viewer and Windows Event Logs on Windows Server 2022 Windows event logging is the primary diagnostic and audit mechanism in Windows Server 2022. Every significant system event — a service crash, a failed logon, a new process starting, a user account being created — generates an event record that is stored […]

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How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 9

Jenkins Pipeline (formerly Workflow) allows defining the entire CI/CD build, test, and deploy process as code in a Jenkinsfile committed to the source repository alongside the application code. This “Pipeline as Code” approach means the build process is version-controlled, reviewable via pull requests, and reproducible across environments. Jenkins supports two Pipeline syntaxes: Declarative Pipeline (structured, […]

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How to Configure HashiCorp Vault on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure HashiCorp Vault on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure HashiCorp Vault on Oracle Linux 9 on Oracle Linux 9. 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 9 system with the default […]

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How to Set Up BGP Routing on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up BGP Routing on Windows Server 2022

Introduction to BGP on Windows Server 2022 Border Gateway Protocol (BGP) is the routing protocol that underpins the global Internet. It is a path-vector protocol that operates between autonomous systems (AS) and is responsible for exchanging reachability information between network domains. Windows Server 2022 includes a full BGP implementation as part of the Remote Access […]

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How to Install Jenkins on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Jenkins on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying install jenkins on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Jenkins on Oracle Linux 9, 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 OpenVAS Vulnerability Scanner on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure OpenVAS Vulnerability Scanner on Debian 9

Introduction How to Configure OpenVAS Vulnerability Scanner on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. […]

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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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Common Problems 113631

Windows Server 2012 R2 — Netlogon service secure channel startup failures — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 May 2023 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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