July 2020 - Page 53 of 62

Alpine Linux edge — faac — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — faac — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.30-r0 📖 ~4 min read  •  Source: Alpine secdb entry — faac 1.30-r0 Related CVEs: CVE-2018-19886 Upstream summary: Alpine community repository for vedge ships faac 1.30-r0 which addresses CVE-2018-19886. Table of contents Symptom & Impact Environment […]

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Common Problems 121043

Debian 10 – systemd service remains in activating state after reboot

🟠 High   ⏱ 5–30 min  Last verified: 5 July 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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Common Problems 119057

sudo Access Broken by Incorrect sudoers Edit on Ubuntu 14.04

🟡 Medium   ⏱ 5–30 min  Last verified: 5 July 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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How to Harden Shared Memory on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Harden Shared Memory on Debian 10

Introduction This guide explains how to Harden Shared Memory on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with the standard […]

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How to Configure I/O Tuning with ioo on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure I/O Tuning with ioo on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure i/o tuning with ioo on ibm aix 7.2 […]

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How to Perform Flask-SQLAlchemy Migrations Using Flask-Migrate — step-by-step Python tutorial on Progressive Robot

How to Perform Flask-SQLAlchemy Migrations Using Flask-Migrate

*The author selected Apache Software Foundation to receive a donation as part of the Write for DOnations program.* Introduction Flask is a lightweight Python web framework that provides valuable tools and features for creating web applications in the Python Language. SQLAlchemy is an SQL toolkit offering efficient and high-performing relational database access. It provides ways […]

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openSUSE Tumbleweed — dumb — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — dumb — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2006-3668 Upstream summary: Heap-based buffer overflow in the it_read_envelope function in Dynamic Universal Music Bibliotheque (DUMB) 0.9.3 and earlier and current CVS as of 20060716, including libdumb, allows user-assisted […]

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