Operations

Common Problems 113474

Windows Server 2016 – Storage Replica log volume runs out of space during peak writes – Fix & Prevention (FIX-PREVENTION-2)

🟠 High   ⏱ 5–30 min  Last verified: 1 July 2021 Affected versions: Windows Server 2016 📖 ~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 […]

Read more
How to Configure Tekton CI/CD on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Tekton CI/CD on FreeBSD 13

Introduction This guide explains how to Configure Tekton CI/CD on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

Read more
Common Problems 113096

Windows Server 2016 DFS Namespace Referrals Slow Due to Overloaded File Targets – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 1 July 2021 Affected versions: Windows Server 2016 📖 ~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 […]

Read more
Common Problems 117535

SSH Connection Refused After Enabling UFW

🟠 High   ⏱ 5–30 min  Last verified: 1 July 2021 Affected versions: 20.04 📖 ~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 & Cross-Refs […]

Read more
Common Problems 112456

Windows Server 2019 — WinRM listener fails to bind on Windows Server 2019 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 1 July 2021 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 […]

Read more
FreeBSD 13 — py27-ecdsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py27-ecdsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: security/py-ecdsa — multiple issues Related CVEs: CVE-2019-14853 CVE-2019-14859 Upstream summary: py-ecdsa developers report: Fix CVE-2019-14853 – possible DoS caused by malformed signature decoding. Fix CVE-2019-14859 – signature malleability caused by […]

Read more
FreeBSD 13 — v8-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — v8-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: node, iojs, and v8 — denial of service Related CVEs: CVE-2015-5380 Upstream summary: node reports: This release of Node.js fixes a bug that triggers an out-of-band write in V8's utf-8 […]

Read more
AlmaLinux 8 — pmdk — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — pmdk — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2022:1943 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 […]

Read more
FreeBSD 12 — py27-bleach — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py27-bleach — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2021 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 […]

Read more
CHAT