How To Deploy a React Application with Nginx on Ubuntu
Learn how to deploy a React app with Nginx on Ubuntu. Step-by-step guide covering build, server config, reverse proxy, SSL, and production optimization.
Debian 10: dpkg interrupted and requires manual configure
🟠 High ⏱ 5–30 min Last verified: 20 August 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 & […]
Ubuntu 18.04 — evolution-data-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 20 August 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4429-1 Related CVEs: CVE-2020-14928 CVE-2018-15587 Upstream summary: It was discovered that Evolution Data Server incorrectly handled STARTTLS when using SMTP and POP3. A remote attacker could possibly use this issue […]
Inode Exhaustion Causes No Space Left on Device Errors on Ubuntu 14.04
🟡 Medium ⏱ 5–30 min Last verified: 20 August 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 […]
When AI Acts Alone: Managing the Legal and Security Risks of Autonomous Agentic Workflows
A practical guide to governing autonomous agentic workflows with legal accountability, security controls, audit trails, approval gates, and incident response.
Ubuntu 20.04 LTS – Nginx fails to start due to configuration syntax errors – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 20 August 2020 Affected versions: Ubuntu 20.04 LTS 📖 ~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 Implement Network Segmentation on SLES 12
Introduction This tutorial covers How to Implement Network Segmentation on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]
How to Configure Virtual Ethernet on IBM AIX 7.1
Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure virtual ethernet on ibm aix 7.1 on IBM […]
How to Use Global vs System WPARs 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 global vs system wpars on ibm aix 7.2 […]
How to Configure Edge Transport Server for Email on Windows Server 2016
Introduction Windows Server 2016 includes an optional Edge Transport server role as part of the Exchange Server infrastructure. An Edge Transport server sits in the perimeter network (DMZ), handling all inbound and outbound Internet email to shield internal Exchange servers from direct Internet exposure. It performs anti-spam filtering, recipient validation, connection filtering, and policy enforcement […]
