Troubleshooting

How to Configure PMR Data Collection on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure PMR Data Collection 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 pmr data collection on ibm aix 7.2 on […]

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Debian 10 — mariadb-10.3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — mariadb-10.3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 May 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15180 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 Install and Configure iptables on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Configure iptables on Debian 10

Introduction This guide explains how to Install and Configure iptables 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 the […]

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Oracle Linux 8 — edk2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — edk2 — vulnerability — patch and remediation guide (ELSA-2019-0968)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-0968 Related CVEs: CVE-2018-12180 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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FreeBSD 12 — qemu-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — qemu-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qemu — denial of service vulnerability Related CVEs: CVE-2007-1320 CVE-2007-1321 CVE-2007-1322 CVE-2007-1323 CVE-2007-1366 CVE-2007-6227 CVE-2008-0928 CVE-2008-2004  +12 more Upstream summary: Daniel P. Berrange reports: The VNC server websockets decoder will […]

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

Debian 10 — ansible — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 May 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10156 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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Common Problems 120971

Debian 10 – NO_PUBKEY and Repository Signature Failures – apt Trust Repair

🟠 High   ⏱ 5–30 min  Last verified: 15 May 2020 Affected versions: Debian 10 📖 ~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 & […]

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How to Install Git on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Install Git on Windows Server 2012 R2

How to Install Git on Windows Server 2012 R2 Git is the industry-standard distributed version control system, and having it installed on Windows Server 2012 R2 is essential for any development, deployment, or DevOps workflow. Whether you are cloning repositories for automated builds, committing configuration files to version control, or scripting deployments that pull from […]

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Gentoo Linux — net-p2p/transmission — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-p2p/transmission — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-07 Related CVEs: CVE-2018-10756 Upstream summary: Transmission mishandles some memory management which may allow manipulation of the heap. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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How to Configure libvirt on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure libvirt on SLES 12

Introduction This tutorial covers How to Configure libvirt 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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