Capacity Planning

Common Problems 121000

Disk Full on Root or /var Breaks Services

🔴 Critical   ⏱ 5–30 min  Last verified: 18 November 2020 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 115602

auditd stops because /var/log/audit is full

🟡 Medium   ⏱ 5–30 min  Last verified: 17 November 2020 📖 ~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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How to Set Up ClamAV Antivirus on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up ClamAV Antivirus on Oracle Linux 8

Introduction Setting up set up clamav antivirus 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 Set Up ClamAV Antivirus on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

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Common Problems 121624

Debian 9 – root filesystem fills rapidly from logs and cache growth

🟠 High   ⏱ 5–30 min  Last verified: 14 November 2020 Affected versions: Debian 9 📖 ~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 System Center Data Protection Manager Agent on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure System Center Data Protection Manager Agent on Windows Server 2012 R2

How to Configure System Center Data Protection Manager Agent on Windows Server 2012 R2 System Center Data Protection Manager (DPM) is Microsoft’s enterprise backup and recovery solution that provides continuous data protection for Windows servers, Hyper-V VMs, SQL Server, Exchange, SharePoint, and file servers. The DPM protection agent installed on each protected server enables near-real-time […]

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How to Configure Storage Tiering with Storage Spaces on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Storage Tiering with Storage Spaces on Windows Server 2019

Introduction to Storage Tiering with Storage Spaces on Windows Server 2019 Storage Tiering in Windows Server 2019 allows a single Storage Space virtual disk to span multiple classes of physical drives — such as NVMe or SSD drives for a “Performance” tier and HDD drives for a “Capacity” tier. Windows automatically moves frequently accessed (hot) […]

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Common Problems 113019

Windows Server 2016 – Hyper-V checkpoint merge stuck with AVHDX growth – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 November 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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Common Problems 118464

Ubuntu 16.04 LTS swap thrashing after memory pressure spike

🟠 High   ⏱ 5–30 min  Last verified: 10 November 2020 Affected versions: 16.04 📖 ~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 118583

Ubuntu 16.04 LTS – journald grows rapidly and fills /var – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 7 November 2020 Affected versions: Ubuntu 16.04 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 Configure libvirt on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure libvirt on Oracle Linux 8

Introduction Setting up configure libvirt 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 Configure libvirt on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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