Logging Monitoring

Debian 10 — sphinxsearch — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — sphinxsearch — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 March 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-29050 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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How to Set Up RADIUS Authentication with NPS on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up RADIUS Authentication with NPS on Windows Server 2012 R2

How to Set Up RADIUS Authentication with NPS on Windows Server 2012 R2 Network Policy Server (NPS) is Microsoft’s implementation of a RADIUS (Remote Authentication Dial-In User Service) server and proxy, included with Windows Server 2012 R2. NPS centralizes authentication, authorization, and accounting for network access—including VPN connections, 802.1X wired and wireless connections, dial-up connections, […]

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Ubuntu 18.04 — python-reportlab — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-reportlab — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 March 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4273-1 Related CVEs: CVE-2019-17626 Upstream summary: It was discovered that ReportLab incorrectly handled certain XML documents. If a user or automated system were tricked into processing a specially crafted document, […]

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Arch Linux — geckodriver — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — geckodriver — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-71 Related CVEs: CVE-2020-15660 Upstream summary: Type: cross-site request forgery. Status: Fixed. Affected: 0.26.0-1. Fixed in: 0.29.1-1. Group: AVG-2180. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 12 — mariadb102-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mariadb102-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Server — Multiple vulerabilities Related CVEs: CVE-2016-9843 CVE-2017-10155 CVE-2017-10165 CVE-2017-10167 CVE-2017-10203 CVE-2017-10227 CVE-2017-10268 CVE-2017-10276  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches […]

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How to Audit Linux Security with Lynis on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Audit Linux Security with Lynis on RHEL 8

Lynis is a battle-tested open-source security auditing tool that scans your Linux system, identifies misconfigurations, and produces a prioritised list of hardening suggestions. On RHEL 8, it is available through the EPEL 8 repository and runs entirely from the command line without requiring a daemon or persistent service. After each scan, Lynis assigns a hardening […]

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Common Problems 118600

Ubuntu 16.04 external monitor not detected

🟡 Medium   ⏱ 5–30 min  Last verified: 11 March 2020 📖 ~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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openSUSE Tumbleweed — libwinpr2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libwinpr2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:2506-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-0250 CVE-2014-0791 Upstream summary: Multiple integer overflows in client/X11/xf_graphics.c in FreeRDP allow remote attackers to have an unspecified impact via the width and height to […]

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How to Set Up rsync Backup Jobs on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up rsync Backup Jobs on Debian 10

Introduction How to Set Up rsync Backup Jobs on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 […]

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

FreeBSD 12 — imlib — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: imlib2 — denial of service vulnerabilities Related CVEs: CVE-2004-0802 CVE-2004-0817 CVE-2004-1025 CVE-2004-1026 CVE-2006-4806 CVE-2006-4807 CVE-2006-4808 CVE-2006-4809  +4 more Upstream summary: Enlightenment reports: GIF loader: Fix segv on images without colormap […]

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