Troubleshooting

FreeBSD 12 — mariadb105-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• August 8, 2020
• BSD
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🟠 High   ⏱ 15–60 min  Last verified: 8 August 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — DoS vulnerability in InnoDB Related CVEs: CVE-2018-25032 CVE-2019-17543 CVE-2020-14672 CVE-2020-14760 CVE-2020-14765 CVE-2020-14769 CVE-2020-14771 CVE-2020-14773  +12 more Upstream summary: MariaDB reports: Easily exploitable vulnerability allows high privileged attacker with […]

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Gentoo Linux — net-p2p/bitcoin-qt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

• August 8, 2020
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202009-18 Related CVEs: CVE-2019-15947 CVE-2020-14198 Upstream summary: Multiple vulnerabilities have been discovered in Bitcoin. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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How to Configure Remote Desktop Session Host on Windows Server 2019

• August 8, 2020
• Tutorials
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How to Configure Remote Desktop Session Host on Windows Server 2019 Remote Desktop Session Host (RDSH) is the core component of a Windows Server 2019 Remote Desktop Services deployment that allows multiple users to connect simultaneously and run shared applications or full desktops in isolated sessions. Each user gets a private session with their own […]

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Debian 9 – initramfs BusyBox Drop on Boot – Root Filesystem Recovery

• August 7, 2020
• Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 7 August 2020 Affected versions: Debian 9 📖 ~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 10 – Severe Clock Drift Breaks TLS and Kerberos – Chrony Stabilization

• August 7, 2020
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 7 August 2020 Affected versions: Debian 10 📖 ~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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Ubuntu 18.04 Drops to Initramfs with Unable to Find Root Filesystem

• August 7, 2020
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 7 August 2020 📖 ~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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Alpine Linux edge — weechat — multiple vulnerabilities (3 CVEs) — patch and remediation guide

• August 7, 2020
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.7.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — weechat 2.7.1-r0 Related CVEs: CVE-2020-8955 CVE-2017-14727 CVE-2017-8073 Upstream summary: Alpine community repository for vedge ships weechat 2.7.1-r0 which addresses CVE-2020-8955. Table of contents Symptom & […]

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Ubuntu 20.04 LTS – system boots to grub rescue after package update – Fix & Prevention

• August 7, 2020
• Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 7 August 2020 Affected versions: Ubuntu 20.04 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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How to Configure Traffic Shaping with tc on SLES 15

• August 7, 2020
• SUSE Linux Enterprise
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Introduction This tutorial covers How to Configure Traffic Shaping with tc on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: […]

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Oracle Linux 8 — bluez — vulnerability — patch and remediation guide (ELSA-2021-4432)

• August 7, 2020
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4432 Related CVEs: CVE-2020-26558 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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