Troubleshooting

How to Set Up Windows Server 2019 SMB over QUIC — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 SMB over QUIC

How to Set Up Windows Server 2019 SMB over QUIC SMB over QUIC is a feature introduced in Windows Server 2022 that allows SMB 3 file sharing over the QUIC transport protocol (UDP port 443) instead of TCP port 445. While Windows Server 2019 itself does not support the SMB over QUIC server role, Windows […]

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Common Problems 115501

journalctl Missing Historical Logs Due to Non-Persistent Journald

🟡 Medium   ⏱ 5–30 min  Last verified: 9 January 2020 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 114924

RHEL 8 firewalld Blocking Application Port Access

🟡 Medium   ⏱ 5–30 min  Last verified: 9 January 2020 📖 ~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 & Cross-Refs References & Further […]

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How to Set Up SUSE Security Module on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up SUSE Security Module on SLES 12

Introduction This tutorial covers How to Set Up SUSE Security Module on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]

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Common Problems 112955

Windows Server 2016 Storage Deduplication Jobs Saturating CPU and Starving Workloads – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 9 January 2020 Affected versions: Windows Server 2016 📖 ~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 […]

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How to Use NIS+ on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use NIS+ 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 use nis+ on ibm aix 7.2 on IBM AIX […]

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FreeBSD 12 — zh-mutt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-mutt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mutt — denial of service via crafted mail message Related CVEs: CVE-2007-2683 CVE-2014-9116 Upstream summary: NVD reports: The write_one_header function in mutt 1.5.23 does not properly handle newline characters at […]

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Gentoo Linux — sci-libs/cfitsio — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sci-libs/cfitsio — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202101-24 Related CVEs: CVE-2018-3846 CVE-2018-3847 CVE-2018-3848 CVE-2018-3849 Upstream summary: Multiple vulnerabilities have been discovered in cfitsio. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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How to Configure Prometheus Node Exporter on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Prometheus Node Exporter on FreeBSD 12

Introduction This guide explains how to Configure Prometheus Node Exporter on FreeBSD 12 on FreeBSD 12. 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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Ubuntu 16.04 — libonig — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libonig — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 January 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5662-1 Related CVEs: CVE-2019-16163 CVE-2019-19012 CVE-2019-19203 CVE-2019-19204 CVE-2019-19246 Upstream summary: It was discovered that Oniguruma incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a […]

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