How To Use Sequelize with Node.js and MySQL
Learn how to use Sequelize ORM with Node.js and MySQL to define models, manage databases, and perform CRUD operations efficiently.
How to Configure Blacklistd on FreeBSD 13
Introduction This guide explains how to Configure Blacklistd on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]
Debian 11 — python-oslo.middleware — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-2592 Upstream summary: python-oslo-middleware before versions 3.8.1, 3.19.1, 3.23.1 is vulnerable to an information disclosure. Software using the CatchError class could include sensitive values in a traceback's error […]
How To Set Doctype in HTML5
Here’s a reference for the HTML5 doctype.
Debian 11 — php-doctrine-bundle — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2015-5723 Upstream summary: Doctrine Annotations before 1.2.7, Cache before 1.3.2 and 1.4.x before 1.4.2, Common before 2.4.3 and 2.5.x before 2.5.1, ORM before 2.4.8 or 2.5.x before 2.5.1, […]
Oracle Linux 8 — virt:kvm_utils — vulnerability — patch and remediation guide (ELSA-2021-9568)
đźź High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 đź“– ~4 min read • Source: ELSA advisory ELSA-2021-9568 Related CVEs: CVE-2021-3392 CVE-2020-27661 CVE-2021-20257 CVE-2021-3546 CVE-2021-3608 CVE-2021-3582 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
![Como instalar o MySQL no Ubuntu 20.04 [InĂcio rápido] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-mysql-on-ubuntu-20-04-quickstart-pt-81820-featured.png "Como instalar o MySQL no Ubuntu 20.04 [InĂcio rápido] 7")
Como instalar o MySQL no Ubuntu 20.04 [InĂcio rápido]
O MySQL é um sistema de gerenciamento de banco de dados de código aberto, que é geralmente instalado como parte da pilha popular LAMP…
Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9115)
đźź High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 đź“– ~4 min read • Source: ELSA advisory ELSA-2021-9115 Related CVEs: CVE-2021-27364 CVE-2021-27365 CVE-2021-27363 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
How to Install Podman as a Rootless Docker Alternative on RHEL 8
Podman is Red Hat’s daemonless container engine and has been the default container tool on RHEL 8 since its initial release. Unlike Docker, Podman does not rely on a long-running root daemon — each container runs as a direct child process of the user who started it. This means regular users can run containers without […]
FreeBSD 13 — w3m-img — multiple vulnerabilities (20 CVEs) — patch and remediation guide
đźź High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: FreeBSD 13 đź“– ~4 min read • Source: FreeBSD VuXML VuXML topic: w3m – multiple vulnerabilities Related CVEs: CVE-2006-6772 CVE-2016-9422 CVE-2016-9423 CVE-2016-9424 CVE-2016-9425 CVE-2016-9426 CVE-2016-9428 CVE-2016-9429 +12 more Upstream summary: Tatsuya Kinoshita reports: CVE-2018-6196 * table.c: Prevent negative indent value in feed_table_block_tag(). […]
