October 2021 - Page 37 of 69

Common Problems 117434

Ubuntu 20.04 LTS cloud-init Overwrites Netplan Configuration

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 — 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: 25 May 2026 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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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: 25 May 2026 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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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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How to Install Netdata Monitoring on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Netdata Monitoring on Debian 9

Introduction This guide explains how to Install Netdata Monitoring on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard […]

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Ubuntu 14.04 — tomcat7 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — tomcat7 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6908-1 Related CVEs: CVE-2019-0221 CVE-2020-9484 CVE-2021-25329 CVE-2018-11784 CVE-2018-1336 CVE-2018-8034 CVE-2017-12616 CVE-2017-12617  +12 more Upstream summary: It was discovered that the Tomcat SSI printenv command echoed user provided data without escaping […]

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Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide (ELSA-2021-2569)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2569 Related CVEs: CVE-2021-3518 CVE-2021-3517 CVE-2021-3537 CVE-2021-3516 CVE-2021-3541 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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