Backup Recovery

How to Configure Netplan on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Netplan on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up configure netplan on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and the resulting […]

Read more
Common Problems 111888

Windows Server 2022 — MSMQ dead-letter queue growth causes disk pressure and app lag — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 7 August 2023 Affected versions: Windows Server 2022 📖 ~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 114434

DNF Update Hangs or Is Extremely Slow

🟡 Medium   ⏱ 5–30 min  Last verified: 6 August 2023 📖 ~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 Install Elasticsearch on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Elasticsearch on Oracle Linux 9

Introduction Setting up install elasticsearch on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Elasticsearch on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

Read more
Alpine Linux edge — borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — borgbackup — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.2.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — borgbackup 1.2.6-r0 Related CVEs: CVE-2023-36811 Upstream summary: Alpine community repository for vedge ships borgbackup 1.2.6-r0 which addresses CVE-2023-36811. Table of contents Symptom & Impact Environment […]

Read more
How to Configure Alertmanager on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Alertmanager on Debian 12

Introduction How to Configure Alertmanager on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This tutorial […]

Read more
How to Enable HTTP/2 in Nginx on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Enable HTTP/2 in Nginx on Oracle Linux 9

Introduction Setting up enable http/2 in nginx on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Enable HTTP/2 in Nginx on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

Read more
How to Tune Kernel Parameters with sysctl on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Tune Kernel Parameters with sysctl on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up tune kernel parameters with sysctl on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully […]

Read more
How to Implement Mandatory Access Control on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Implement Mandatory Access Control on Oracle Linux 9

Introduction How to Implement Mandatory Access Control on Oracle Linux 9 on Oracle Linux 9 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 […]

Read more
Common Problems 120071

Debian 12 – LVM Thin Pool Metadata Full – Service Outage Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 4 August 2023 Affected versions: Debian 12 📖 ~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
CHAT