Arch Linux — exim — multiple vulnerabilities (9 CVEs) — patch and remediation guide

August 1, 2025
Linux
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🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201910-1 Related CVEs: CVE-2019-16928 CVE-2019-15846 CVE-2019-13917 CVE-2017-16944 CVE-2017-16943 CVE-2017-10140 CVE-2017-1000369 CVE-2025-30232 +1 more Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 4.92.2-1. Fixed in: 4.92.3-1. Group: AVG-1038. Table of […]

How to Install Jupyter Notebook on Oracle Linux 10

August 1, 2025
Oracle Linux
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Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying install jupyter notebook on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Jupyter Notebook on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

Gentoo Linux — www-client/microsoft-edge — multiple vulnerabilities (20 CVEs) — patch and remediation guide

August 1, 2025
Linux
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🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202511-04 Related CVEs: CVE-2025-8879 CVE-2025-8880 CVE-2025-8881 CVE-2025-8882 CVE-2025-8901 CVE-2025-9132 CVE-2025-9478 CVE-2025-10500 +12 more Upstream summary: Multiple vulnerabilities have been discovered in Chromium and its derivatives. Please review the CVE identifiers referenced below […]

How to Install and Configure Xdebug 3 for PHP 8.3 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure PHP-FPM with Nginx on Ubuntu 24.04

August 1, 2025
Linux
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PHP-FPM (FastCGI Process Manager) provides a fast interface between PHP and web servers like Nginx. This guide explains how to install, configure, and tune PHP 8.3-FPM for production use with Nginx on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx installed A user with sudo privileges Step […]

Top Programming Languages for Blockchain App Development in 2025

July 31, 2025
App Development
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As blockchain technology evolves, choosing the right programming language for blockchain app development has become increasingly strategic. Whether you’re building Layer‑1 blockchains, smart contracts, decentralized applications (dApps), or backend services, the choice of language influences performance, safety, ecosystem support, and developer productivity.

NetBSD 10.0 — ruby1-activesupport — vulnerability — patch and remediation guide

July 31, 2025
BSD
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🟡 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 ruby1{8,9}-activesupport>=3.0<3.0.8 for vulnerability class 'cross-site-scripting'. Reference: http://secunia.com/advisories/44789/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

How Is Web 3.0 Changing the World?

July 31, 2025
Web Development
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Web 3.0—the next evolution of the internet—is redefining digital ownership, data sovereignty, and online governance. Built on decentralized technologies such as blockchain, smart contracts, and decentralized identity, Web 3.0 is enabling fundamentally new paradigms across finance, governance, identity, social media, supply chains, healthcare, and more. Rather than a brand‑new platform, Web 3.0 represents a shift in who holds power: from centralized platforms to individual users and communities.

Oracle Linux 10 – HAProxy fails to start after package upgrade due to config deprecations

July 31, 2025
Linux
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🟠 High ⏱ 5–30 min Last verified: 31 July 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 […]

How to Install Icinga2 on CentOS Stream 10

July 31, 2025
CentOS
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Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying install icinga2 on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Icinga2 on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

What Is Infrastructure as Code (IaC)? How It Works and Tools to Use

July 31, 2025
Infrastructure as Code
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Infrastructure as Code, or IaC, has fundamentally changed how infrastructure is managed and deployed. Rather than configuring servers, networks, and storage manually, teams now define infrastructure using code. That shift offers dramatic gains in speed, reliability, collaboration, and scale. In this article, we’ll explain what IaC is, how it works, the core principles that make it powerful, and the tools commonly used in modern DevOps practices.

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Arch Linux — exim — multiple vulnerabilities (9 CVEs) — patch and remediation guide

How to Install Jupyter Notebook on Oracle Linux 10

Gentoo Linux — www-client/microsoft-edge — multiple vulnerabilities (20 CVEs) — patch and remediation guide

How to Configure PHP-FPM with Nginx on Ubuntu 24.04

Top Programming Languages for Blockchain App Development in 2025

NetBSD 10.0 — ruby1-activesupport — vulnerability — patch and remediation guide

How Is Web 3.0 Changing the World?

Oracle Linux 10 – HAProxy fails to start after package upgrade due to config deprecations

How to Install Icinga2 on CentOS Stream 10

What Is Infrastructure as Code (IaC)? How It Works and Tools to Use

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