Logging Monitoring

How to Configure Grafana Loki on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Grafana Loki on Oracle Linux 9

Introduction Setting up configure grafana loki 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 Configure Grafana Loki on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Common Problems 120011

Debian 12 – resolv.conf Keeps Reverting and DNS Fails – Resolver Control

🟠 High   ⏱ 5–30 min  Last verified: 19 June 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 & […]

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Debian 12 — lxdm — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lxdm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8308 Upstream summary: LXDM before 0.5.2 did not start X server with -auth, which allows local users to bypass authentication with X connections. Table of contents Symptom & […]

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Common Problems 117437

Ubuntu 20.04 /boot Partition Full

🟡 Medium   ⏱ 5–30 min  Last verified: 19 June 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 […]

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How to Set Up HAProxy Load Balancer on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up HAProxy Load Balancer on Debian 12

Introduction How to Set Up HAProxy Load Balancer 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 […]

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openSUSE Tumbleweed — python39-asyncssh — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python39-asyncssh — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-46445 Upstream summary: An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a […]

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FreeBSD 12 — py39-slixmpp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-slixmpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Slixmpp — Lack of SSL Certificate hostname validation in XMLStream Related CVEs: CVE-2022-45197 Upstream summary: NIST reports: Slixmpp before 1.8.3 lacks SSL Certificate hostname validation in XMLStream, allowing an attacker […]

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Common Problems 111717

Windows Server 2022 — DHCP failover communication interrupted between partners — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 June 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 […]

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Debian 12 — kodi — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — kodi — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-3885 CVE-2017-5982 CVE-2017-8314 CVE-2021-42917 CVE-2023-23082 CVE-2023-30207 Upstream summary: Integer overflow in the ljpeg_start function in dcraw 7.00 and earlier allows remote attackers to cause a denial of service […]

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Alpine Linux edge — blender — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — blender — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.3.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — blender 3.3.0-r0 Related CVEs: CVE-2022-2831 CVE-2022-2832 CVE-2022-2833 Upstream summary: Alpine community repository for vedge ships blender 3.3.0-r0 which addresses CVE-2022-2831. Table of contents Symptom & […]

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