Logging Monitoring

How to Back Up Hyper-V Virtual Machines on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Back Up Hyper-V Virtual Machines on Windows Server 2012 R2

How to Back Up Hyper-V Virtual Machines on Windows Server 2012 R2 Backing up Hyper-V virtual machines is a critical operational responsibility. A comprehensive Hyper-V backup strategy must produce consistent, recoverable backups without disrupting running VMs. Windows Server 2012 R2 provides multiple backup mechanisms: host-level VSS-based backup (captures the entire VM state from the host), […]

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FreeBSD 12 — ampache — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ampache — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ampache — insecure temporary file usage Related CVEs: CVE-2008-3929 Upstream summary: Secunia reports: A security issue has been reported in Ampache, which can be exploited by malicious, local users to […]

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FreeBSD 12 — netscape-navigator — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — netscape-navigator — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libpng stack-based buffer overflow and other code concerns Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 Upstream summary: Chris Evans has discovered multiple vulnerabilities in libpng, which can be exploited by malicious people […]

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How to Set Up CouchDB on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up CouchDB on Debian 10

Introduction How to Set Up CouchDB 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 10. This […]

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FreeBSD 12 — py36-bleach — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py36-bleach — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-bleach — regular expression denial-of-service Related CVEs: CVE-2020-6817 Upstream summary: Bleach developers reports: bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to […]

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How to Integrate Windows Server 2012 R2 with Azure Active Directory — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Integrate Windows Server 2012 R2 with Azure Active Directory

How to Integrate Windows Server 2012 R2 with Azure Active Directory Integrating an on-premises Windows Server 2012 R2 Active Directory environment with Azure Active Directory (Azure AD) enables hybrid identity scenarios: users authenticate once with their on-premises credentials and gain access to cloud services including Office 365, Azure portal resources, and third-party SaaS applications. The […]

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IBM AIX 7.1 — CVE-2019-4193 — information disclosure — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2019-4193 — information disclosure — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 2 March 2020 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2019-4193, IBM Support Bulletin CVE: CVE-2019-4193 NVD summary: IBM Jazz for Service Management 1.1.3 and 1.1.3.2 stores sensitive information in URL parameters. This may lead to information disclosure if unauthorized parties have […]

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How to Set Up Active Directory Federation Services (AD FS) on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Active Directory Federation Services (AD FS) on Windows Server 2019

How to Set Up Active Directory Federation Services (AD FS) on Windows Server 2019 Active Directory Federation Services (AD FS) provides Single Sign-On (SSO) capabilities, enabling users to authenticate once with their corporate credentials and access applications hosted in cloud services (Microsoft 365, Salesforce, Workday) or partner organizations without re-entering credentials. AD FS implements the […]

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Common Problems 121573

Debian 9: Apache returns 503 because PHP-FPM socket is missing

🟠 High   ⏱ 5–30 min  Last verified: 1 March 2020 Affected versions: Debian 9 📖 ~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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