Linux

Common Problems 118411

Ubuntu 16.04 Network Interface Missing After Kernel Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2023 📖 ~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 […]

Read more
Debian 12 — xerial-sqlite-jdbc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — xerial-sqlite-jdbc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-32697 Upstream summary: SQLite JDBC is a library for accessing and creating SQLite database files in Java. Sqlite-jdbc addresses a remote code execution vulnerability via JDBC URL. This […]

Read more
Common Problems 114482

RHEL 9 LVM Volume Not Expanding After Disk Growth

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2023 📖 ~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 […]

Read more
Debian 12 — kconfig — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — kconfig — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14744 Upstream summary: In KDE Frameworks KConfig before 5.61.0, malicious desktop files and configuration files lead to code execution with minimal user interaction. This relates to libKF5ConfigCore.so, and […]

Read more
Common Problems 117534

Ubuntu 20.04 LTS MySQL Access Denied for Root User

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2023 📖 ~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 […]

Read more
How to Configure Multipath I/O on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Multipath I/O on Debian 12

Introduction Deploying configure multipath i/o on debian 12 on a Debian 12 Bookworm 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 you begin, […]

Read more
Ubuntu 22.04 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7579-1 Related CVEs: CVE-2019-2126 CVE-2021-26826 CVE-2021-26825 Upstream summary: It was discovered that the Godot Engine did not properly handle certain malformed WebM media files. If the Godot Engine opened a […]

Read more
SLES 12 — gawk — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gawk — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2768-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-4156 Upstream summary: A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could […]

Read more
Oracle Linux 9 — gstreamer1-plugins-base — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gstreamer1-plugins-base — vulnerability — patch and remediation guide (ELSA-2024-2302)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2302 Related CVEs: CVE-2023-37328 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Oracle Linux 9 — java-17-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-17-openjdk — vulnerability — patch and remediation guide (ELSA-2022-1729)

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1729 Related CVEs: CVE-2022-21449 CVE-2022-21434 CVE-2022-21476 CVE-2022-21426 CVE-2022-21496 CVE-2022-21443 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
CHAT