February 2021 - Page 58 of 62

How to Configure Desired State Configuration (DSC) Pull Server on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Desired State Configuration (DSC) Pull Server on Windows Server 2019

What Is PowerShell Desired State Configuration? Desired State Configuration (DSC) is a PowerShell management platform that allows administrators to declaratively define the desired state of servers and continuously enforce that state. Rather than running imperative scripts that might leave servers in inconsistent states, DSC configurations describe what a server should look like—which features are installed, […]

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Oracle Linux 8 — .NET Core on Red Hat Enterprise Linux — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET Core on Red Hat Enterprise Linux — security and stability fixes — required update (ELSA-2019-2731)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-2731 Related CVEs: CVE-2019-1301 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 117497

Ubuntu 20.04 LTS – journal logs fill root filesystem unexpectedly – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 20.04 LTS 📖 ~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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Alpine Linux edge — tcpreplay — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — tcpreplay — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.4.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — tcpreplay 4.4.1-r0 Related CVEs: CVE-2021-45386 CVE-2021-45387 CVE-2020-24265 CVE-2020-24266 CVE-2019-8381 CVE-2019-8376 CVE-2019-8377 Upstream summary: Alpine community repository for vedge ships tcpreplay 4.4.1-r0 which addresses CVE-2021-45386. Table […]

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openSUSE Tumbleweed — hylafax+ — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — hylafax+ — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:2797-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-17141 CVE-2020-15396 CVE-2020-15397 CVE-2020-8024 Upstream summary: HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides a […]

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Common Problems 115570

NFS Mount Fails During Boot Sequence

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 References & Further […]

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Common Problems 115415

RHEL 7 service network Restart Drops SSH Sessions

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~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 Configure Node Exporter on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Node Exporter on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure node exporter on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Node Exporter on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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IBM AIX 7.2 — CVE-2021-29814 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-29814 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-29814, IBM Support Bulletin CVE: CVE-2021-29814 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript […]

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