Mastering Grep command in Linux/Unix: A Beginner’s Tutorial
Discover the power of grep in Linux for searching text patterns efficiently. Learn essential grep commands and practical use cases to enhance your file management skills
Debian 10 — vlc — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 30 June 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-13602 CVE-2020-6071 CVE-2020-13428 CVE-2020-26664 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
Cómo instalar MySQL en Ubuntu 18.04
Hazel Virdó escribió una versión anterior de este tutorial. MySQL es un sistema de gestión de bases de datos de código abierto, que generalmente está instalado como parte de la popular…
Arch Linux — nsd — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202012-18 Related CVEs: CVE-2020-28935 Upstream summary: Type: denial of service. Status: Fixed. Affected: 4.3.3-1. Fixed in: 4.3.4-1. Group: AVG-1327. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
How to Set Up DHCP Audit Logging on Windows Server 2019
Introduction to DHCP Audit Logging on Windows Server 2019 DHCP Audit Logging records every IP address assignment, renewal, release, and denial made by the DHCP server. This log is invaluable for network troubleshooting (tracking which machine had a given IP at a specific time), security investigation (identifying rogue devices or tracking when an infected machine […]
Ubuntu 20.04 — storebackup — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 29 June 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4508-1 Related CVEs: CVE-2020-7040 Upstream summary: It was discovered that StoreBackup did not properly manage lock files. A local attacker could use this issue to cause a denial of service […]
Debian 10 Cron Job Not Running at Scheduled Time
🟡 Medium ⏱ 5–30 min Last verified: 29 June 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 & […]
No space left on device in /var
🟡 Medium ⏱ 5–30 min Last verified: 29 June 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 […]
Windows Server 2016 — CBS Manifest Corruption Causes 0x80073701 Update Failure — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 29 June 2020 Affected versions: Windows Server 2016 📖 ~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 […]
Break/Fix vs. Managed IT: Why Proactive Services Outperform Reactive Support
A practical comparison of break/fix versus managed IT and why proactive services consistently outperform reactive tech support for growing businesses.
