How to Find the Length of an Array in C++
Learn how to get the length of arrays in C++ using simple methods. Explore examples with pointers, STL containers, and best practices for beginners.
FreeBSD 12 — mod_dav_svn-lts — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 3 January 2023 Affected versions: FreeBSD 12 đź“– ~4 min read • Source: FreeBSD VuXML VuXML topic: Subversion — Multiple vulnerabilities in server code Related CVEs: CVE-2021-28544 CVE-2022-24070 Upstream summary: Subversion project reports: Subversion servers reveal 'copyfrom' paths that should be hidden according to configured path-based authorization […]
Debian 11 — playmidi — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 3 January 2023 Affected versions: Debian 11 (bullseye) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2005-0020 Upstream summary: Buffer overflow in playmidi before 2.4 allows local users to execute arbitrary code. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
Ubuntu 16.04 LTS – failed to mount /boot during startup
đźź High ⏱ 5–30 min Last verified: 3 January 2023 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 đź“– ~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 […]
OpenBSD 7.5 — unbound — errata 011_unbound — security advisory — syspatch and remediation
đźź High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 đź“– ~4 min read • Source: OpenBSD 7.5 errata 011_unbound Errata topic: Security: unbound (All architectures) Issued: October 14, 2024 Related CVEs: CVE-2024-8508 Upstream summary: Querying a maliciously constructed DNS zone could result in degraded performance or denial of service. […]
Li-Fi in the Modern Office: Is Optical Wireless Communication Ready to Replace Traditional Corporate Wi-Fi?
A practical enterprise guide to Li-Fi, Wi-Fi 7, optical wireless communications, office deployment readiness, security, roaming, and hybrid network design.
Sudo Policy Error Blocks Privileged Commands
🟡 Medium ⏱ 5–30 min Last verified: 3 January 2023 đź“– ~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 […]
How to Tune AIX for Low-Latency Applications on IBM AIX 7.3
Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to tune aix for low-latency applications on IBM AIX 7.3 […]
Debian 11 — libevt — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 3 January 2023 Affected versions: Debian 11 (bullseye) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-8754 Upstream summary: The libevt_record_values_read_event() function in libevt_record_values.c in libevt before 2018-03-17 does not properly check for out-of-bounds values of user SID data size, strings size, or data […]
RHEL 9 Boot Is Slow Due to Failed Units
🟡 Medium ⏱ 5–30 min Last verified: 3 January 2023 đź“– ~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 […]