September 2025 - Page 52 of 110

How to Set Up UFW Firewall on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Set Up UFW Firewall on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up set up ufw firewall on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

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Amazon Linux 2 — lasso — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — lasso — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3077 Related CVEs: CVE-2025-46404 CVE-2025-46705 CVE-2025-46784 CVE-2025-47151 CVE-2021-28091 Upstream summary: A denial of service vulnerability exists in the lasso_provider_verify_saml_signature functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can […]

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Common Problems 127029

CentOS Stream 10 – Common Problem 157 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 16 September 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 Configure VLAN Tagging with 802.1Q on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure VLAN Tagging with 802.1Q on RHEL 9

VLAN tagging using the IEEE 802.1Q standard allows a single physical network interface to carry traffic for multiple isolated networks simultaneously. Each VLAN is identified by a numeric tag (1–4094) inserted into Ethernet frames, and the operating system presents each tagged VLAN as a separate logical interface with its own IP address and routing table. […]

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No-Code/Low-Code vs. Custom Software Development – Who Wins?

No-Code/Low-Code vs. Custom Software Development – Who Wins?

No-Code/Low-Code vs. Custom Software Development has become one of the most pressing debates in the software industry, as organizations look for ways to balance speed, flexibility, and scalability in their digital initiatives. Low-code and no-code platforms are growing in popularity, with Gartner predicting they will account for more than 65% of app development by 2024. Meanwhile, custom software development continues to be the benchmark for creating unique, secure, and scalable solutions. Understanding where each approach excels is critical for businesses deciding how to structure their next digital project.

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NetBSD 10.0 — py-openpyxl — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-openpyxl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-5992 Upstream summary: pkgsrc audit-packages flagged py{27,34,35,36}-openpyxl<2.4.2 for vulnerability class 'xml-external-entity'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-5992 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 124086

Oracle Linux 10 – nftables rules overwritten by legacy iptables service – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 September 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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How to Configure firewalld on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure firewalld on Oracle Linux 10

Introduction Setting up configure firewalld 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 Configure firewalld on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Common Problems 124009

Oracle Linux 10 – systemd service enters failed state after boot due to unit ordering – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 September 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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NetBSD 10.0 — ja-squirrelmail-1.4.3* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ja-squirrelmail — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ja-squirrelmail for vulnerability class 'cross-site-scripting'. Reference: http://www.squirrelmail.org/security/issue/2005-01-14 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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