May 2020 - Page 46 of 69

Common Problems 112547

Windows Server 2019 – VSS snapshot failures from backup filter driver collisions – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2019 📖 ~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 Implement Zero Trust Architecture on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Implement Zero Trust Architecture on Windows Server 2016

Introduction Zero Trust Architecture on Windows Server 2016 applies the principle of “never trust, always verify” to every connection and access request. Using native Windows capabilities — Credential Guard, Windows Firewall, JIT access, and audit logging — administrators can implement strong Zero Trust controls without additional tooling. Enabling Credential Guard Protect NTLM hashes and Kerberos […]

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FreeBSD 12 — apache-xml-security-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — apache-xml-security-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xml-security-c — crashes on malformed KeyInfo content Related CVEs: CVE-2013-2156 CVE-2013-2210 Upstream summary: The shibboleth project reports: SAML messages, assertions, and metadata all commonly make use of the XML Signature […]

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How to Install Rust on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Rust on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install rust on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zinf — potential buffer overflow playlist support Upstream summary: The audio player Zinf is vulnerable to a buffer-overflow bug in the management of the playlist files. Table of contents Symptom […]

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How To Use Nested Queries in SQL — step-by-step Databases tutorial on Progressive Robot

How To Use Nested Queries in SQL

A useful function in SQL is creating a query within a query, also known as a subquery or nested query. A nested query is a SELECT statement that is typically enclosed in parentheses, and embedded within a primary SELECT, INSERT, or DELETE operation.

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Ubuntu 20.04 — pacemaker — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pacemaker — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4623-1 Related CVEs: CVE-2020-25654 Upstream summary: Ken Gaillot discovered that Pacemaker incorrectly handled IPC communications permissions. A local attacker could possibly use this issue to bypass ACL restrictions and execute […]

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SLES 15 — ed25519-java — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ed25519-java — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:1029-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36843 Upstream summary: The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability […]

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