February 2020 - Page 18 of 64

How to Configure IPv6 Networking on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure IPv6 Networking on RHEL 8

IPv6 adoption has accelerated significantly as IPv4 address exhaustion becomes more acute, and most modern Linux distributions including RHEL 8 ship with full IPv6 support enabled by default. Configuring IPv6 on RHEL 8 requires working with nmcli for network interface configuration, firewalld for controlling IPv6 traffic including ICMPv6, and optionally adjusting service configurations to bind […]

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Oracle Linux 8 — subversion:1.10 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — subversion:1.10 — vulnerability — patch and remediation guide (ELSA-2021-0507)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0507 Related CVEs: CVE-2020-17525 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Cómo crear un módulo Node.js — step-by-step Javascript tutorial on Progressive Robot

Cómo crear un módulo Node.js

El autor seleccionó a Open Internet/Free Speech Fund para recibir una donación como parte del programa Write for DOnations. En Node.js, un módulo es un conjunto de funciones y…

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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2019-3196)

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3196 Related CVEs: CVE-2019-11759 CVE-2019-11764 CVE-2019-11758 CVE-2019-11761 CVE-2019-11762 CVE-2019-11760 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Secure MySQL on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Secure MySQL on RHEL 8

MySQL ships with several default settings and accounts that must be hardened before the server handles production data. On RHEL 8, the combination of mysql_secure_installation, strict privilege grants, TLS enforcement, and the audit log plugin provides a strong baseline. This tutorial walks through each layer of MySQL security so that nothing is left at its […]

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Alpine Linux edge — libfastjson — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libfastjson — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.2304.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libfastjson 1.2304.0-r0 Related CVEs: CVE-2020-12762 Upstream summary: Alpine main repository for vedge ships libfastjson 1.2304.0-r0 which addresses CVE-2020-12762. Table of contents Symptom & Impact Environment […]

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How to Set Up NFS on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up NFS on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up nfs on ibm aix 7.1 on IBM […]

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openSUSE Tumbleweed — taglib — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — taglib — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-12678 CVE-2012-2396 CVE-2018-11439 Upstream summary: In TagLib 1.11.1, the rebuildAggregateFrames function in id3v2framefactory.cpp has a pointer to cast vulnerability, which allows remote attackers to cause […]

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