Systemd Services

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-0348)

🟠 High   ⏱ 15–60 min  Last verified: 10 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0348 Related CVEs: CVE-2020-7039 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 113043

Windows Server 2016 — MSMQ service startup fails with storage errors — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 October 2020 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 […]

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How to Configure Corosync on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Corosync on Oracle Linux 8

Introduction How to Configure Corosync on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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Alpine Linux edge — libvncserver — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libvncserver — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.9.13-r5 📖 ~4 min read  •  Source: Alpine secdb entry — libvncserver 0.9.13-r5 Related CVEs: CVE-2020-29260 CVE-2019-20839 CVE-2019-20840 CVE-2020-14397 CVE-2020-14399 CVE-2020-14400 CVE-2020-14401 CVE-2020-14402  +8 more Upstream summary: Alpine community repository for vedge ships libvncserver 0.9.13-r5 which […]

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Ubuntu 18.04 — spice — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — spice — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 October 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4572-1 Related CVEs: CVE-2020-14355 CVE-2019-3813 CVE-2018-10873 CVE-2017-12194 Upstream summary: Frediano Ziglio discovered that Spice incorrectly handled QUIC image decoding. A remote attacker could use this to cause Spice to crash, […]

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How to Install and Configure AIDE on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure AIDE on RHEL 7

How to Install and Configure AIDE on RHEL 7 AIDE (Advanced Intrusion Detection Environment) is a host-based intrusion detection system (HIDS) that works by taking a cryptographic snapshot of your filesystem at a known-good point in time and then comparing the current state of the filesystem against that baseline to identify any files that have […]

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Oracle Linux 8 — dotnet security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dotnet security and bugfix update (ELSA-2021-0474)

🟠 High   ⏱ 15–60 min  Last verified: 9 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0474 Related CVEs: CVE-2021-1721 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 119030

Ubuntu 14.04 LTS MySQL Fails to Start After Unclean Shutdown

🟠 High   ⏱ 5–30 min  Last verified: 9 October 2020 Affected versions: 14.04 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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How to Set Up Oracle Linux 8 Cluster with Oracle Grid Infrastructure — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Oracle Linux 8 Cluster with Oracle Grid Infrastructure

Introduction This tutorial demonstrates how to Set Up Oracle Linux 8 Cluster with Oracle Grid Infrastructure on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system […]

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

Oracle Linux 8 — bluez — vulnerability — patch and remediation guide (ELSA-2020-4481)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4481 Related CVEs: CVE-2020-0556 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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