Backup Recovery

Common Problems 112610

Windows Server 2019 PerfMon Shows High Split IO per Sec on Misaligned Virtual Disks – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 24 May 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 […]

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Common Problems 120962

APT Is Locked by Another Process

🟡 Medium   ⏱ 5–30 min  Last verified: 23 May 2021 Affected versions: Debian 10 📖 ~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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Common Problems 112432

Windows Server 2019 – Credential Guard incompatibilities breaking apps – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 May 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 […]

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How to Set Up Spinnaker on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Spinnaker on Oracle Linux 8

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

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Common Problems 113595

Windows Server 2012 R2 — Windows Firewall ruleset regression blocks east-west traffic after GPO refresh — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 May 2021 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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FreeBSD 13 — py34-borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py34-borgbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: borgbackup — remote users can override repository restrictions Related CVEs: CVE-2017-15914 Upstream summary: BorgBackup reports: Incorrect implementation of access controls allows remote users to override repository restrictions in Borg servers. […]

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Common Problems 113566

Windows Server 2012 R2 – NetAdapter advanced offload bug disrupts DHCP failover updates – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 22 May 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Deploy a Spring Boot Application on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy a Spring Boot Application on Oracle Linux 8

Introduction Setting up deploy a spring boot application on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Deploy a Spring Boot Application on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]

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Common Problems 119041

Ubuntu 14.04 LTS SSL handshake failures after certificate chain update

🟠 High   ⏱ 5–30 min  Last verified: 21 May 2021 Affected versions: 14.04 📖 ~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 […]

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Common Problems 117402

Ubuntu 20.04 LTS – apt update fails with Release file not valid yet – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 May 2021 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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