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

FreeBSD 12 — wireshark-qt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wireshark — multiple security issues Related CVEs: CVE-2015-6241 CVE-2015-6242 CVE-2015-6243 CVE-2015-6244 CVE-2015-6245 CVE-2015-6246 CVE-2015-6247 CVE-2015-6248  +12 more Upstream summary: wireshark developers reports: wnpa-sec-2018-05. IEEE 802.11 dissector crash. (CVE-2018-7335) wnpa-sec-2018-06. Large […]

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Como Instalar o Nginx no Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Como Instalar o Nginx no Ubuntu 18.04

Uma versão anterior desse tutorial foi escrita por Justin Ellingwood O Nginx é um dos servidores web mais populares no mundo e é responsável por hospedar alguns dos maiores e mais acessados sites na internet. Ele…

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Common Problems 118082

Ubuntu 18.04 LTS UFW rules block application despite allow entry

🟡 Medium   ⏱ 5–30 min  Last verified: 11 December 2019 📖 ~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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How to Configure iSCSI Storage on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure iSCSI Storage on SLES 12

Introduction This tutorial covers How to Configure iSCSI Storage on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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How to Use AIX CDE Desktop on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use AIX CDE Desktop 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 use aix cde desktop on ibm aix 7.1 on […]

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FreeBSD 12 — ap24-mod_fcgid — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ap24-mod_fcgid — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_fcgid — possible heap buffer overwrite Related CVEs: CVE-2013-4365 Upstream summary: Apache Project reports: Fix possible heap buffer overwrite. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure collectd on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure collectd on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure collectd on ibm aix 7.2 on IBM AIX […]

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Arch Linux — openfire — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — openfire — multiple vulnerabilities (3 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-201612-21 Related CVEs: CVE-2015-7707 CVE-2015-6973 CVE-2015-6972 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 4.0.4-1. Fixed in: 4.1.0-1. Group: AVG-15. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure NTP Time Synchronization on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure NTP Time Synchronization on Debian 9

Introduction This guide explains how to Configure NTP Time Synchronization on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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