Operations

How to Configure System Center Virtual Machine Manager on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure System Center Virtual Machine Manager on Windows Server 2012 R2

How to Configure System Center Virtual Machine Manager on Windows Server 2012 R2 System Center Virtual Machine Manager (SCVMM or VMM) is Microsoft’s comprehensive virtualization management platform that provides centralized control over Hyper-V hosts, private cloud infrastructure, VM deployment, network virtualization, and storage management. VMM 2012 R2 is purpose-built to work with Windows Server 2012 […]

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

Oracle Linux 8 — rsyslog — vulnerability — patch and remediation guide (ELSA-2022-4799)

🟠 High   ⏱ 15–60 min  Last verified: 24 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4799 Related CVEs: CVE-2022-24903 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 — xz — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — xz — vulnerability — patch and remediation guide (ELSA-2022-4991)

🟠 High   ⏱ 15–60 min  Last verified: 24 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4991 Related CVEs: CVE-2022-1271 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 — libuv — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libuv — vulnerability — patch and remediation guide (ELSA-2021-3075)

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3075 Related CVEs: CVE-2021-22918 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 Configure Prometheus AlertManager on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Prometheus AlertManager on RHEL 8

Prometheus AlertManager handles alert routing, grouping, and silencing so that your monitoring stack delivers the right notifications to the right people at the right time. On RHEL 8, deploying AlertManager as a systemd service gives you a production-ready setup that starts automatically on boot and integrates cleanly with an existing Prometheus instance. This tutorial walks […]

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Amazon Linux 2 — python-paramiko — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-paramiko — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2ANSIBLE2-2023-002 Related CVEs: CVE-2022-24302 Upstream summary: In Paramiko before 2.10.1, a race condition (between creation and chmod) in the write_private_key_file function could allow unauthorized information disclosure. (CVE-2022-24302) Table of contents […]

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FreeBSD 13 — uwsgi — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — uwsgi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: uwsgi — a stack-based buffer overflow Related CVEs: CVE-2018-6758 Upstream summary: Uwsgi developers report: It was discovered that the uwsgi_expand_path function in utils.c in Unbit uWSGI, an application container server, […]

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AlmaLinux 8 — flatpak-xdg-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — flatpak-xdg-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1781 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — rubygem-smart_proxy_dynflow — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-smart_proxy_dynflow — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: smart_proxy_dynflow — authentication bypass vulnerability Related CVEs: CVE-2018-14643 Upstream summary: MITRE reports: An authentication bypass flaw was found in the smart_proxy_dynflow component used by Foreman. A malicious attacker can use […]

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FreeBSD 13 — py33-graphite-web — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py33-graphite-web — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-graphite-web — Multiple vulnerabilities Related CVEs: CVE-2013-5093 Upstream summary: Graphite developers report: This release contains several security fixes for cross-site scripting (XSS) as well as a fix for a remote-execution […]

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