Backup Recovery

Common Problems 124130

Oracle Linux 10 – grub kernel parameter change not applied after update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Oracle Linux 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 […]

Read more
Common Problems 124051

Oracle Linux 10 – New kernel installed but old kernel still boots by default – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Oracle Linux 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 […]

Read more
How to Add a Sudo User on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Add a Sudo User on CentOS Stream 10

Introduction Setting up add a sudo user on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Add a Sudo User on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to […]

Read more
Common Problems 123999

Oracle Linux 10 – SELinux AVC denials break NGINX reverse proxy after policy update

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Oracle Linux 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 […]

Read more
Common Problems 117588

Ubuntu 20.04 LTS – disk usage spikes from oversized systemd journal logs

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

Read more
Common Problems 116930

Ubuntu 22.04 LTS systemd Service Fails with Start Request Repeated Too Quickly

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2025 📖 ~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 […]

Read more
How to Set Up Ceph on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up Ceph on Oracle Linux 10

Introduction Setting up set up ceph on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Ceph on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]

Read more
Common Problems 116618

Ubuntu 24.04 LTS OOM Kills Increase After Swap Disabled

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Ubuntu 24.04 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 […]

Read more
Common Problems 116530

Ubuntu 24.04 LTS – system clock drift breaks TLS and package updates – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Ubuntu 24.04 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 […]

Read more
Common Problems 116390

Ubuntu 24.04 LTS – apt update fails because dpkg lock is held

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]

Read more
CHAT