DNS

How to Set Up Alertmanager with Slack on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up Alertmanager with Slack on Oracle Linux 10

Introduction Setting up set up alertmanager with slack 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 Alertmanager with Slack on Oracle Linux 10, with all the commands you need, the SELinux and firewalld […]

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Common Problems 119615

Debian 13 systemd Service Fails With Start Request Repeated Too Quickly

🟠 High   ⏱ 5–30 min  Last verified: 23 August 2025 Affected versions: Debian 13 📖 ~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 Install ClamAV Antivirus on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install ClamAV Antivirus on Debian 13

Introduction Deploying install clamav antivirus on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure you have […]

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Debian 13 — libnet-dns-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libnet-dns-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-3377 CVE-2007-3409 CVE-2007-6341 CVE-2008-1447 Upstream summary: Header.pm in Net::DNS before 0.60, a Perl module, (1) generates predictable sequence IDs with a fixed increment and (2) can use the […]

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How to Install Kotlin on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Kotlin on Debian 13

Introduction Deploying install kotlin on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 13 Trixie is fully updated […]

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Common Problems 114068

RHEL 10 MariaDB Service Fails on Startup with Permission Errors

🔴 Critical   ⏱ 5–30 min  Last verified: 23 August 2025 Affected versions: RHEL 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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How to Enable WebSocket Proxying in Nginx on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Enable WebSocket Proxying in Nginx on Debian 13

Introduction Deploying enable websocket proxying in nginx on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure […]

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Common Problems 119515

Debian 13 IPv6 Route Selection Breaks Outbound Connectivity

🟠 High   ⏱ 5–30 min  Last verified: 23 August 2025 Affected versions: Debian 13 📖 ~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 124161

Oracle Linux 10 – auditd backlog overflow drops critical security events

🔴 Critical   ⏱ 5–30 min  Last verified: 22 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 […]

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Common Problems 124029

NIC Renaming Breaks Static Network Scripts After Clone

🟡 Medium   ⏱ 5–30 min  Last verified: 22 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 […]

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