Operations

AlmaLinux 8 — gcc-toolset-9-binutils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-9-binutils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:1713 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. For instructions on usage, see […]

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How to Configure OpenVPN Server on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure OpenVPN Server on FreeBSD 13

Introduction How to Configure OpenVPN Server on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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FreeBSD 13 — trafficserver — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — trafficserver — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: trafficserver — resource consumption Related CVEs: CVE-2012-0256 CVE-2014-3525 CVE-2020-9494 Upstream summary: Bryan Call reports: ATS is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to […]

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Common Problems 117434

Ubuntu 20.04 LTS cloud-init Overwrites Netplan Configuration

🟡 Medium   ⏱ 5–30 min  Last verified: 15 October 2021 📖 ~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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Debian 11 — golang-github-tidwall-gjson — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-tidwall-gjson — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35380 CVE-2020-36066 CVE-2020-36067 CVE-2021-42836 Upstream summary: GJSON before 1.6.4 allows attackers to cause a denial of service via crafted JSON. Table of contents Symptom & Impact Environment & […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2372 CVE-2007-2893 CVE-2007-2894 Upstream summary: Buffer overflow in Bochs before 2.1.1, if installed setuid, allows local users to execute arbitrary code via a long HOME environment variable, which […]

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How to Use nim to Manage AIX Installations on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use nim to Manage AIX Installations on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use nim to manage aix installations on ibm aix […]

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AlmaLinux 8 — bolt — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — bolt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1707 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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