Linux

Common Problems 116625

Ubuntu 24.04 LTS – apt-daily causes high CPU and IO during business hours – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 September 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 […]

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Debian 11 — igmpproxy — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — igmpproxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 September 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-50681 Upstream summary: igmpproxy 0.4 before commit 2b30c36 allows remote attackers to cause a denial of service (application crash) via a crafted IGMPv3 membership report packet with a […]

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AlmaLinux 8 — perl-ExtUtils-Manifest — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-ExtUtils-Manifest — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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

How to Install Gitea on Debian 13

Introduction Deploying install gitea 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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Rocky Linux 10 — util-linux — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 10

Rocky Linux 10 — util-linux — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 10 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:1696 Related CVEs: CVE-2025-14104 Upstream summary: The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include […]

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Debian 13 — link-grammar — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — link-grammar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5395 Upstream summary: Stack-based buffer overflow in the separate_word function in tokenize.c in Link Grammar 4.1b and possibly other versions, as used in AbiWord Link Grammar 4.2.4, allows […]

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Common Problems 116624

Ubuntu 24.04 LTS – Time synchronization unstable due to timesyncd and chrony conflict – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 September 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 […]

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Alpine Linux 3.20 — optipng — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — optipng — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.7.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — optipng 0.7.8-r0 Related CVEs: CVE-2023-43907 Upstream summary: Alpine community repository for vv3.20 ships optipng 0.7.8-r0 which addresses CVE-2023-43907. Table of contents Symptom & Impact Environment […]

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Debian 13 — python-django-registration — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-django-registration — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 September 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-21416 Upstream summary: django-registration is a user registration package for Django. The django-registration package provides tools for implementing user-account registration flows in the Django web framework. In django-registration prior […]

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