Troubleshooting

Arch Linux — pam-krb5 — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pam-krb5 — 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-202004-5 Related CVEs: CVE-2020-10595 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 4.8-1. Fixed in: 4.9-1. Group: AVG-1119. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Debian 10 — minidlna — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-12695 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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Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide (ELSA-2019-1519)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 April 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1519 Related CVEs: CVE-2019-9741 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 a Bash Profile, .bashrc and Environment Variables on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Bash Profile, .bashrc and Environment Variables on RHEL 7

How to Set Up a Bash Profile, .bashrc and Environment Variables on RHEL 7 A well-configured shell environment can dramatically improve your productivity as a Linux administrator. On Red Hat Enterprise Linux 7, Bash is the default login shell and it reads several configuration files at startup, each serving a distinct purpose. Understanding the difference […]

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How to Configure Hot-Plug PCI Devices on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Hot-Plug PCI Devices 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 configure hot-plug pci devices on ibm aix 7.1 on […]

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FreeBSD 12 — bash-static — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bash-static — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bash — remote code execution Related CVEs: CVE-2014-6271 CVE-2014-6277 CVE-2014-6278 CVE-2014-7169 CVE-2014-7186 CVE-2014-7187 Upstream summary: Note that this is different than the public "Shellshock" issue. Specially crafted environment variables could […]

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How to Configure Network Bonding with LACP on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Network Bonding with LACP on Debian 10

Introduction This guide explains how to Configure Network Bonding with LACP on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with […]

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FreeBSD 12 — pkcs11-helper — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pkcs11-helper — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pkcs11-helper — deserialize buffer overflow Upstream summary: Alon Bar-Lev reports: util: fix deserialize buffer overflow. thanks to Aarnav Bos. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 12 — iodine — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — iodine — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: iodined — authentication bypass Upstream summary: Erik Ekman of the iodine project reports: The client could bypass the password check by continuing after getting error from the server and guessing […]

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How to Set Up Windows Server 2019 Group Policy Preferences — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Group Policy Preferences

How to Set Up Windows Server 2019 Group Policy Preferences Group Policy Preferences (GPP) extend Group Policy beyond traditional settings by allowing administrators to configure and distribute settings that users can change — unlike enforced policy settings. GPP supports drive mappings, printer connections, scheduled tasks, registry settings, environment variables, shortcut creation, file and folder management, […]

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