Linux

Common Problems 126982

CentOS Stream 10 – Common Problem 127 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 12 January 2025 Affected versions: CentOS Stream 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 Set Up SELinux MLS Policy on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up SELinux MLS Policy on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying set up selinux mls policy on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up SELinux MLS Policy on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the […]

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Common Problems 120162

Debian 12 – KVM Bridge Networking Stops Passing Traffic – Host Bridge Repair

🟠 High   ⏱ 5–30 min  Last verified: 12 January 2025 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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Common Problems 116893

Ubuntu 22.04 Wi-Fi disconnects or fails to reconnect

🟡 Medium   ⏱ 5–30 min  Last verified: 12 January 2025 📖 ~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 a Flask Application on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up a Flask Application on CentOS Stream 10

Introduction This tutorial demonstrates how to Set Up a Flask Application 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 […]

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Amazon Linux 2023 — libcurand-12-8 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libcurand-12-8 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2025-042 Related CVEs: CVE-2024-53870 CVE-2024-53871 CVE-2024-53875 Upstream summary: NVIDIA CUDA toolkit for all platforms contains a vulnerability in the cuobjdump binary, where a user could cause an out-of-bounds read by […]

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Debian 11 — org-mode — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — org-mode — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 January 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-28617 CVE-2024-30203 CVE-2024-30204 CVE-2024-30205 CVE-2024-39331 Upstream summary: org-babel-execute:latex in ob-latex.el in Org Mode through 9.6.1 for GNU Emacs allows attackers to execute arbitrary commands via a file name […]

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How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure iptables Firewall Rules on Ubuntu 24.04

iptables is the classic Linux firewall utility that provides fine-grained packet filtering and NAT. While Ubuntu uses UFW as a front-end by default, understanding iptables rules is essential for advanced network control on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Basic understanding […]

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Ubuntu 24.04 — aom — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — aom — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6815-1 Related CVEs: CVE-2024-5171 Upstream summary: Xiantong Hou discovered that AOM did not properly handle certain malformed media files. If an application using AOM opened a specially crafted file, a […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.0.16-r0 📖 ~4 min read  •  Source: Alpine secdb entry — uwsgi 2.0.16-r0 Related CVEs: CVE-2018-6758 Upstream summary: Alpine main repository for vv3.20 ships uwsgi 2.0.16-r0 which addresses CVE-2018-6758. Table of contents Symptom & Impact Environment […]

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