Logging Monitoring

Gentoo Linux — dev-ruby/rails — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-ruby/rails — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-24 Related CVEs: CVE-2022-32224 Upstream summary: Multiple vulnerabilities have been discovered in Ruby on Rails. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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How to Set Up Open-iSCSI on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Open-iSCSI on Debian 9

Introduction How to Set Up Open-iSCSI 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. This […]

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Debian 11 — didiwiki — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — didiwiki — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7448 Upstream summary: Directory traversal vulnerability in wiki.c in didiwiki allows remote attackers to read arbitrary files via the page parameter to api/page/get. Table of contents Symptom & […]

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Ubuntu 16.04 — audiofile — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — audiofile — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6558-1 Related CVEs: CVE-2018-13440 CVE-2018-17095 CVE-2019-13147 CVE-2022-24599 Upstream summary: It was discovered that audiofile could be made to dereference invalid memory. If a user or an automated system were tricked […]

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SLES 12 — libpcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libpcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 December 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1680-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-1587 CVE-2022-41409 Upstream summary: An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects […]

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How to Configure Active Directory Audit Policy on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Active Directory Audit Policy on Windows Server 2022

Introduction to Group Policy on Windows Server 2022 Group Policy is the primary mechanism for applying configuration settings, security baselines, and software deployments across computers and users in an Active Directory domain. A Group Policy Object (GPO) is a collection of settings that are applied to computer accounts (via the Computer Configuration node) or user […]

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Common Problems 117004

Ubuntu 22.04 LTS Nginx Fails Because Port 80 Is Already in Use

🟡 Medium   ⏱ 5–30 min  Last verified: 30 December 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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IBM AIX 7.3 — CVE-2002-0790 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2002-0790 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 10–30 min  Last verified: 30 December 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2002-0790, IBM Support Bulletin CVE: CVE-2002-0790 NVD summary: clchkspuser and clpasswdremote in AIX expose an encrypted password in the cspoc.log file, which could allow local users to gain privileges. References: techsupport.services.ibm.com/server/aix.uhuic_ge   […]

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Debian 11 — mcollective — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mcollective — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0164 CVE-2014-0175 CVE-2014-3248 CVE-2014-3251 CVE-2016-2788 CVE-2017-2292 Upstream summary: openshift-origin-broker-util, as used in Red Hat OpenShift Enterprise 1.2.7 and 2.0.5, uses world-readable permissions for the mcollective client.cfg configuration file, […]

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