Kernel Drivers

How to Configure Windows Server 2022 Routing and Remote Access — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Routing and Remote Access

How to Configure SSL/TLS in IIS on Windows Server 2022 Securing your IIS websites with SSL/TLS is essential for protecting data in transit and establishing trust with visitors. Windows Server 2022 ships with IIS 10, which supports modern TLS configurations including TLS 1.3. This guide covers obtaining and importing SSL certificates, binding them to IIS […]

Read more
Oracle Linux 9 — ELSA-2025-20518-0: kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — ELSA-2025-20518-0: kernel — vulnerability — patch and remediation guide (ELSA-2025-20518-0)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20518-0 Related CVEs: CVE-2022-48830 CVE-2022-49024 CVE-2022-49269 CVE-2022-49353 CVE-2022-49357 CVE-2022-49432 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
How to Configure PowerShell Just Enough Administration (JEA) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure PowerShell Just Enough Administration (JEA) on Windows Server 2022

What is Just Enough Administration (JEA)? Just Enough Administration (JEA) is a PowerShell security technology built into Windows Server 2022 that enables role-based access control for administrative tasks. Rather than granting users full administrator rights to perform specific jobs, JEA creates constrained PowerShell remoting endpoints where users can only run a pre-approved set of cmdlets […]

Read more
Common Problems 113555

Windows Server 2012 R2 — Direct Server Return mode misconfiguration breaks SSL health probes in NLB — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 January 2023 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
How to Set Up VLAN Support on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up VLAN Support on Windows Server 2022

How to Set Up VLAN Support on Windows Server 2022 Virtual Local Area Networks (VLANs) segment a physical network into multiple isolated logical networks using 802.1Q VLAN tagging. On Windows Server 2022, VLAN support is available at multiple layers: directly on a physical network adapter (access port configuration), on NIC team members, on NIC team […]

Read more
Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9999)

🟠 High   ⏱ 15–60 min  Last verified: 5 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9999 Related CVEs: CVE-2022-3028 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9689)

🟠 High   ⏱ 15–60 min  Last verified: 4 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9689 Related CVEs: CVE-2022-2588 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Common Problems 118486

Ubuntu 16.04 LTS – failed to mount /boot during startup

🟠 High   ⏱ 5–30 min  Last verified: 3 January 2023 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

Read more
How to Tune AIX for Low-Latency Applications on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Tune AIX for Low-Latency Applications on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to tune aix for low-latency applications on IBM AIX 7.3 […]

Read more
Common Problems 111876

Windows Server 2022 – NIC teaming flap causes intermittent packet loss – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 January 2023 Affected versions: Windows Server 2022 📖 ~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
CHAT