Linux

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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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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Debian 12 — node-url-parse — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-url-parse — multiple vulnerabilities (8 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-2018-3774 CVE-2020-8124 CVE-2021-27515 CVE-2021-3664 CVE-2022-0512 CVE-2022-0639 CVE-2022-0686 CVE-2022-0691 Upstream summary: Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open Redirect, […]

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Как настроить сервер IKEv2 VPN с StrongSwan в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Как настроить сервер IKEv2 VPN с StrongSwan в Ubuntu 18.04

Виртуальная частная сеть (VPN) позволяет выполнять защищенное шифрование трафика, передаваемого через незащищенные сети, например, в кафе, на конференции или в аэропорту. Протокол IKEv2 или Internet Key Exchange v2…

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How to Enable SSL/TLS with Let's Encrypt on Apache2 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Enable SSL/TLS with Let’s Encrypt on Apache2 on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up enable ssl/tls with let’s encrypt on apache2 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 […]

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