UFW Essentials: Common Firewall Rules and Commands for Linux Security
Master the essentials of UFW with this guide to common firewall rules and commands. Learn how to configure, enable, and secure your Linux system using UFW.
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Our tutorials help people like you solve some of their trickiest problems. Whether they’re building out some infrastructure or writing a web application, readers trust our tutorials because they’re written for developers by developers.
A Complete Guide to Image Super-Resolution in Deep Learning and AI
Understand the latest techniques, models, and applications of image super-resolution in deep learning and computer vision. A comprehensive guide for researchers and developers.
SLES 15 — enigmail — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 18 August 2019 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2018:1329-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-17688 CVE-2017-17689 CVE-2018-12019 CVE-2014-5369 CVE-2019-12269 Upstream summary: The OpenPGP specification allows a Cipher Feedback Mode (CFB) malleability-gadget attack that can indirectly lead to plaintext exfiltration, […]
Arch Linux — ettercap — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201709-16 Related CVEs: CVE-2017-8366 CVE-2017-6430 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 0.8.2-4. Fixed in: 0.8.2-5. Group: AVG-212. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
How To Use Git Branches
A branch, at its core, is a unique series of code changes with a unique name. Each repository can have one or more branches. This tutorial will teach you how to create two branches (master and develop) and how to merge code from the development stage to production.
Como formatar um código com o Prettier no Visual Studio Code
Formatar código de maneira consistente é trabalhoso, mas ferramentas de desenvolvimento modernas como o Prettier tornam possível manter automaticamente uma consistência em toda a base de código da sua equipe.
FreeBSD 12 — powerdns — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 18 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: powerdns — denial of service Related CVEs: CVE-2005-2302 CVE-2012-0206 CVE-2015-1868 CVE-2015-5230 CVE-2015-5311 CVE-2015-5470 CVE-2016-2120 CVE-2016-6170 +12 more Upstream summary: PowerDNS Team reports: PowerDNS Security Advisory 2022-01: incomplete validation of incoming […]
Como instalar a pilha Linux, Apache, MySQL, PHP (LAMP) no Ubuntu 14.04
A pilha “LAMP” é um grupo de softwares open source que é tipicamente instalado em conjunto para permitir um servidor hospedar websites dinâmicos e aplicações web. Este termo é atualmente um acrônimo que representa o sistema operacional Linux, com o servidor web Apache. A informação do site é armazenada em uma base de dados MySQL, e o conteúdo dinâmico é processado pelo PHP.
FreeBSD 12 — bind98-base — multiple vulnerabilities (8 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 17 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: bind — denial of service vulnerability Related CVEs: CVE-2012-5166 CVE-2012-5688 CVE-2013-2266 CVE-2013-3919 CVE-2013-4854 CVE-2014-0591 CVE-2014-8500 CVE-2014-8680 Upstream summary: ISC reports: We have today posted updated versions of 9.9.6 and 9.10.1 […]