Logging Monitoring

How to Configure journald Log Persistence on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure journald Log Persistence on Debian 11

  • July 29, 2022
  • Linux
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Introduction Deploying configure journald log persistence on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]

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IBM AIX 7.1 — CVE-2022-43872 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2022-43872 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 28 July 2022 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2022-43872, IBM Support Bulletin CVE: CVE-2022-43872 NVD summary: IBM Financial Transaction Manager 3.2.4 authorization checks are done incorrectly for some HTTP requests which allows getting unauthorized technical information (e.g. event log entries) […]

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Oracle Linux 8 — ext4 : Frequent or repeated system shutdowns can cause file system corruption — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ext4 : Frequent or repeated system shutdowns can cause file system corruption

  • July 28, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 28 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 27547113 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 […]

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Common Problems 120494

Debian 11 Unmet Dependencies During full-upgrade

  • July 28, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 28 July 2022 Affected versions: Debian 11 📖 ~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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FreeBSD 13 — py311-psutil — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py311-psutil — vulnerability — patch and remediation guide

  • July 28, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-psutil — double free vulnerability Related CVEs: CVE-2019-18874 Upstream summary: ret2libc reports: psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a […]

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FreeBSD 13 — libntlm — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libntlm — vulnerability — patch and remediation guide

  • July 28, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libntlm — buffer overflow vulnerability Related CVEs: CVE-2019-17455 Upstream summary: NVD reports: Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, […]

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Common Problems 116901

Ubuntu 22.04 LTS – apt update fails with Release file not valid yet – Fix & Prevention

  • July 28, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 28 July 2022 Affected versions: Ubuntu 22.04 LTS 📖 ~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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FreeBSD 13 — fspd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — fspd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • July 28, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fsp buffer overflow and directory traversal vulnerabilities Related CVEs: CVE-2003-1022 CVE-2004-0011 Upstream summary: The Debian security team reported a pair of vulnerabilities in fsp: A vulnerability was discovered in fsp, […]

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

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

  • July 28, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1215 CVE-2005-2231 CVE-2006-3121 CVE-2006-3815 CVE-2009-3736 Upstream summary: Multiple format string vulnerabilities in heartbeat 0.4.9 and earlier (claimed as buffer overflows in some sources) allow remote attackers to execute […]

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How to Configure Active Directory Rights Management Services on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Active Directory Rights Management Services on Windows Server 2012 R2

How to Configure Active Directory Rights Management Services on Windows Server 2012 R2 Active Directory Rights Management Services (AD RMS) on Windows Server 2012 R2 provides persistent data protection by embedding usage rights directly into documents, emails, and other content. Unlike traditional access control which only restricts who can access a file at the file […]

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