Logging Monitoring

Common Problems 119110

Ubuntu 14.04 LTS Java Service Crashes Due to Outdated CA Bundle

🟡 Medium   ⏱ 5–30 min  Last verified: 18 November 2022 Affected versions: 14.04 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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Common Problems 117978

Ubuntu 18.04 LTS – NTP drift causes authentication and cluster timing faults – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 November 2022 Affected versions: Ubuntu 18.04 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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Debian 11 — xtrlock — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xtrlock — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0079 CVE-2016-10894 Upstream summary: Buffer overflow in xtrlock 2.0 allows local users to cause a denial of service (application crash) and hijack the desktop session. Table of contents […]

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Debian 11 — qutebrowser — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — qutebrowser — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000559 CVE-2018-10895 CVE-2020-11054 Upstream summary: qutebrowser version introduced in v0.11.0 (1179ee7a937fb31414d77d9970bac21095358449) contains a Cross Site Scripting (XSS) vulnerability in history command, qute://history page that can result in Via […]

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How to Use AIX System Backup with mksysb on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use AIX System Backup with mksysb 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 aix system backup with mksysb on IBM AIX […]

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Debian 11 — jackd2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — jackd2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13351 Upstream summary: posix/JackSocket.cpp in libjack in JACK2 1.9.1 through 1.9.12 (as distributed with alsa-plugins 1.1.7 and later) has a "double file descriptor close" issue during a failed […]

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

Debian 11 — lsyncd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-8990 Upstream summary: default-rsyncssh.lua in Lsyncd 2.1.5 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a filename. Table of contents Symptom & Impact […]

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How to Configure MAC Framework on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure MAC Framework on FreeBSD 12

Introduction This guide explains how to Configure MAC Framework 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 privilege […]

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Ubuntu 20.04 — node-minimatch — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-minimatch — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6086-1 Related CVEs: CVE-2022-3517 Upstream summary: It was discovered that minimatch incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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