IT, Cloud & DevOps Blog

Arch Linux — ettercap — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

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 […]

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How To Use Git Branches — step-by-step DevOps tutorial on Progressive Robot

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.

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FreeBSD 12 — powerdns — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

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 […]

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Como instalar a pilha Linux, Apache, MySQL, PHP (LAMP) no Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

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.

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FreeBSD 12 — bind98-base — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

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 […]

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Common Problems 118466

Ubuntu 16.04 LTS – GRUB rescue prompt appears after update

🔴 Critical   ⏱ 5–30 min  Last verified: 17 August 2019 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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FreeBSD 12 — py33-graphite-web — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py33-graphite-web — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-graphite-web — Multiple vulnerabilities Related CVEs: CVE-2013-5093 Upstream summary: Graphite developers report: This release contains several security fixes for cross-site scripting (XSS) as well as a fix for a remote-execution […]

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How to Configure Swap Space on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Swap Space on Debian 9

Introduction How to Configure Swap Space on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This […]

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Common Problems 113548

Windows Server 2012 R2 — .NET Framework 4.8 install fails or repair leaves applications broken — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 17 August 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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