In MySQL a trigger is a user-defined SQL command that is invoked automatically during an INSERT, DELETE, or UPDATE operation. The trigger code is associated with a table and is destroyed once a table is dropped. You can specify a trigger action time and set whether it will be activated before or after the defined database event. In this tutorial, you’ll create, use, and delete different types of triggers on your MySQL database.
🟠 High ⏱ 15–60 min Last verified: 15 November 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-5869 CVE-2019-5805 CVE-2019-13723 CVE-2019-13725 CVE-2019-19880 CVE-2019-20503 CVE-2020-6510 CVE-2020-15995 +8 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]
This tutorial describes how to install MediaWiki on Ubuntu 12.04, including the steps needed to set up a MySQL database and user. MediaWiki is a free open source wiki program that allows users to create their own personal wiki sites. Originally built for Wikpedia, MediaWiki is written in PHP and uses a backend database, like MySQL, to store its data.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read • Source: OpenBSD 7.4 errata 007_perl Errata topic: Security: perl (All architectures) Issued: November 29, 2023 Related CVEs: CVE-2023-47038 Upstream summary: A crafted regular expression when compiled by perl can cause a one-byte attacker controlled buffer […]
Yii is a highly performant PHP Object Oriented framework that helps you build web applications quickly. Here we help you install and setup Yii on your Ubuntu 12.04 VPS.
How to Configure Windows Server 2016 Audit Policy A well-configured audit policy is essential for security monitoring, compliance, and forensic investigation. Windows Server 2016 provides granular audit policies through Advanced Audit Policy Configuration, which offers far more control than the basic audit policy settings. This guide explains how to configure audit policies to capture logon […]
A task is the smaller unit of action you can automate using an Ansible playbook. Playbooks typically contain a series of tasks that serve a goal, such as to set up a web server, or to deploy an application to remote environments. Learn more about Ansible tasks in this short guide.
🟡 Medium ⏱ 10–30 min Last verified: 14 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-3335 Related CVEs: CVE-2019-6446 CVE-2019-9948 CVE-2019-11324 CVE-2019-9947 CVE-2019-9740 CVE-2019-11236 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟠 High ⏱ 5–30 min Last verified: 14 November 2020 Affected versions: Debian 9 📖 ~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 & […]
🟡 Medium ⏱ 5–30 min Last verified: 14 November 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 […]
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