Logging Monitoring

Debian 11 — python-future — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-future — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40899 Upstream summary: An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie header from malicious […]

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How to Set Up Device Guard on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Device Guard on Windows Server 2022

Introduction to DNS Forwarders on Windows Server 2022 When a DNS server receives a query for a domain it is not authoritative for, it has two options: recurse using root hints, or forward the query to another DNS server. DNS forwarders let you specify exactly which upstream DNS servers your Windows Server 2022 DNS resolver […]

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Debian 11 — feedparser — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — feedparser — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-5065 CVE-2011-1156 CVE-2011-1157 CVE-2011-1158 CVE-2012-2921 Upstream summary: Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) before 5.0 allows remote attackers to inject […]

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CentOS Stream 9 — xdg-utils — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — xdg-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:7672 Related CVEs: CVE-2022-4055 Upstream summary: The xdg-utils package is a set of simple scripts that provide basic desktop integration functions for any Free Desktop. Security Fix(es): * xdg-utils: improper parse […]

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Common Problems 117923

Ubuntu 18.04 LTS SSH login denied after hardening changes

🟡 Medium   ⏱ 5–30 min  Last verified: 26 November 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 & Cross-Refs References & Further […]

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Common Problems 117090

Ubuntu 22.04 LTS Logrotate Fails and /var Grows Unbounded

🟡 Medium   ⏱ 5–30 min  Last verified: 26 November 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 & Cross-Refs References & Further […]

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Common Problems 115450

Port Already in Use Blocks Service Bind

🟡 Medium   ⏱ 5–30 min  Last verified: 26 November 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 & Cross-Refs References & Further […]

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How to Use instfix to Check Installed Fixes on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use instfix to Check Installed Fixes 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 use instfix to check installed fixes on IBM AIX […]

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Common Problems 111647

Windows Server 2022 — AD DS replication fails with error 1722 (RPC Server Unavailable) — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 November 2022 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 […]

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