🟡 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 […]
🟡 Medium ⏱ 5–30 min Last verified: 19 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4451-1 Related CVEs: CVE-2020-15704 CVE-2020-8597 CVE-2018-11574 Upstream summary: Thomas Chauchefoin working with Trend Micro´s Zero Day Initiative, discovered that ppp incorrectly handled module loading. A local attacker could use this […]
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 install perl on ibm aix 7.2 on IBM AIX […]
Introduction How to Enable Brotli Compression in Nginx 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 […]
How to Set Up a File Server on Windows Server 2012 R2 A file server is one of the most ubiquitous roles in any Windows Server environment, providing centralised, managed storage for user data, departmental shares, and application data. Windows Server 2012 R2 delivers an upgraded File and Storage Services role with SMB 3.0, File […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4667-2 Related CVEs: CVE-2020-27350 CVE-2020-3810 CVE-2019-3462 CVE-2016-1252 CVE-2014-7206 CVE-2014-6273 CVE-2014-0487 CVE-2014-0488 +3 more Upstream summary: USN-4667-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 14.04 […]
This conceptual article outlines the history of the relational model, how relational databases organize data, and how they’re used today.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6048-1 Related CVEs: CVE-2020-36646 Upstream summary: It was discovered that ZenLib doesn't check the return value of a specific operation before using it. An attacker could use a specially crafted […]
URL: https://www.progressiverobot.com/spring-transaction-management-jdbc-example/ Spring Transaction Management is one of the most widely used and important feature of Spring framework. Transaction Management is a trivial task in any enterprise application. We have already learned how to use [JDBC API for Transaction Management](/community/tutorials/java-jdbc-transaction-management-savepoint "JDBC Transaction Management and Savepoint Example Tutorial"). Spring provides extensive support for transaction management and […]
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