Operations

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

Debian 11 — ocp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-4046 Upstream summary: Multiple stack-based buffer overflows in Open Cubic Player 2.6.0pre6 and earlier for Windows, and 0.1.10_rc5 and earlier on Linux/BSD, allow remote attackers to execute arbitrary […]

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Debian 11 — libz-mingw-w64 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libz-mingw-w64 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25032 CVE-2022-37434 Upstream summary: zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches. Table of contents Symptom & Impact […]

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How to Set Up Docker Swarm Cluster on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Docker Swarm Cluster on Debian 11

Introduction Deploying set up docker swarm cluster 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 Before […]

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AlmaLinux 9 — flac — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — flac — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:5048 Related CVEs: CVE-2020-22219 CVE-2021-0561 Upstream summary: FLAC stands for Free Lossless Audio Codec. FLAC is similar to Ogg Vorbis, but lossless. The FLAC project consists of the stream format, reference encoders […]

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Debian 11 — ruby-yajl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-yajl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16516 CVE-2022-24795 Upstream summary: In the yajl-ruby gem 1.3.0 for Ruby, when a crafted JSON file is supplied to Yajl::Parser.new.parse, the whole ruby process crashes with a SIGABRT […]

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Debian 11 — dracut — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

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

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4453 CVE-2016-8637 Upstream summary: dracut.sh in dracut, as used in Red Hat Enterprise Linux 6, Fedora 16 and 17, and possibly other products, creates initramfs images with world-readable […]

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Ubuntu 20.04 — node-css-what — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-css-what — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6065-1 Related CVEs: CVE-2021-33587 CVE-2022-21222 Upstream summary: It was discovered that css-what incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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How to Use Group Policy Results on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Use Group Policy Results on Windows Server 2016

How to Configure Windows Server 2016 Group Policy Results Group Policy Results provides a real-world report of the policies that were actually processed during the last Group Policy refresh cycle on a live client machine. Unlike Group Policy Modelling, which simulates a hypothetical scenario on a domain controller, Group Policy Results queries the RSoP (Resultant […]

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IBM AIX 7.3 — CVE-2021-29815 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-29815 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 23 October 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-29815, IBM Support Bulletin CVE: CVE-2021-29815 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript […]

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Common Problems 119097

Ubuntu 14.04 LTS – MySQL service fails to start with InnoDB errors

🔴 Critical   ⏱ 5–30 min  Last verified: 23 October 2022 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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