Установка и обеспечение безопасности Grafana в Ubuntu 20.04
Автор выбрал COVID-19 Relief Fund для получения пожертвования в рамках программы Write for DOnations. Grafana — это инструмент визуализации и…
Oracle Linux 10 – bonded interface fails over poorly because miimon is not configured – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 1 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 […]
Oracle Linux 10 SELinux AVC Denials After Custom Application Deployment
🟠 High ⏱ 5–30 min Last verified: 1 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 […]
How to Set Up VictoriaMetrics on CentOS Stream 10
Introduction This tutorial demonstrates how to Set Up VictoriaMetrics on CentOS Stream 10 on CentOS Stream 10. 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 CentOS Stream 10 system with the default […]
How to Install Grafana 11 on RHEL 10
Introduction Setting up install grafana 11 on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Grafana 11 on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]
Oracle Linux 10 – dnf install fails with modular dependency conflict – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 1 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 […]
Ubuntu 24.04 LTS UFW Rules Accidentally Block SSH Access
🔴 Critical ⏱ 5–30 min Last verified: 1 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 […]
Alpine Linux 3.20 — py3-saml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 6.5.0-r0 📖 ~4 min read • Source: Alpine secdb entry — py3-saml2 6.5.0-r0 Related CVEs: CVE-2021-21238 CVE-2021-21239 Upstream summary: Alpine community repository for vv3.20 ships py3-saml2 6.5.0-r0 which addresses CVE-2021-21238. Table of contents Symptom & Impact […]
How to Install Zabbix 7 on RHEL 10
Introduction How to Install Zabbix 7 on RHEL 10 on RHEL 10 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 and […]
Ubuntu 24.04 LTS – dpkg interrupted state blocks package operations – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 1 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 […]
