How to Install and Configure VNC on Ubuntu 18.04
In this guide, you’ll set up a VNC server on an Ubuntu 18.04 server and connect to it securely through an SSH tunnel.
Oracle Linux 8 — nodejs:10 — vulnerability — patch and remediation guide (ELSA-2020-0579)
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-0579 Related CVEs: CVE-2019-15604 CVE-2019-15605 CVE-2019-15606 CVE-2019-16776 CVE-2019-16775 CVE-2019-16777 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
IT Security Compliance Frameworks: 7 Best Law Firm Picks
Small law firms handle confidential client files, payment records, litigation material, discovery data, tax information, contracts, and sensitive communications. These seven IT security compliance frameworks help firms build a practical security roadmap without copying an enterprise program that is too heavy to maintain.
How to Implement Network Segmentation on Oracle Linux 8
Introduction How to Implement Network Segmentation on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]
IT Case Studies: Real Problems, Smart Solutions, and Measurable ROI
A practical guide to writing IT case studies that feature a specific problem, the IT solution applied, and the measurable ROI, so your business builds credibility and wins trust.
Oracle Linux 8 — systemd — security and stability fixes — required update (ELSA-2019-0990)
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-0990 Related CVEs: CVE-2019-6454 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Debian 10 — json-c — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-12762 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Cron jobs not running under expected user context
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 📖 ~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 2019 — Delivery Optimization peer cache disabled causing WAN saturation during patch — Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 05 June 2027 Affected versions: Windows Server 2019 📖 ~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 […]
How to Use nim to Manage AIX Installations 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 use nim to manage aix installations on ibm aix […]
