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How to Set Up NPIV Virtual Fibre Channel on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up NPIV Virtual Fibre Channel on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up npiv virtual fibre channel on ibm aix […]

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FreeBSD 12 — isc-dhcp42-server — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — isc-dhcp42-server — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcpd — Denial of Service Related CVEs: CVE-2011-2748 CVE-2011-2749 CVE-2011-4539 CVE-2011-4868 CVE-2012-3570 CVE-2012-3571 CVE-2012-3954 CVE-2015-8605 Upstream summary: ISC reports: A badly formed packet with an invalid IPv4 UDP length field […]

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What is Abstraction in OOPS? — step-by-step Programming tutorial on Progressive Robot

What is Abstraction in OOPS?

URL: https://www.progressiverobot.com/what-is-abstraction-in-oops/ Abstraction is one of the core [concepts of Object-Oriented Programming](/community/tutorials/oops-concepts-java-example). Abstraction defines a model to create an application component. The implementation of abstraction depends on the language-specific features and processes. 1. What is Abstraction? Abstraction is the process of hiding the internal details of an application from the outer world. Abstraction is used […]

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Debian 9 — gst-plugins-base1.0 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — gst-plugins-base1.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9928 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Create a Custom systemd Service Unit on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Create a Custom systemd Service Unit on RHEL 10

Introduction Setting up create a custom systemd service unit on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Create a Custom systemd Service Unit on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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FreeBSD 12 — phpMyAdmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — phpMyAdmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpMyAdmin — XSS vulnerability in drag-and-drop upload Related CVEs: CVE-2004-0129 CVE-2004-1147 CVE-2004-1148 CVE-2005-0543 CVE-2005-0544 CVE-2005-0567 CVE-2005-0653 CVE-2005-0992  +12 more Upstream summary: phpMyAdmin Team reports: PMASA-2023-1 XSS vulnerability in drag-and-drop upload […]

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How To Work With Zip Files in Node.js — step-by-step Javascript tutorial on Progressive Robot

How To Work With Zip Files in Node.js

Working with files is one of the common tasks among developers. As your files grow in size, they start taking significant space on your hard drive. To get around this, you can group the files into a single ZIP file. In Node.js, you can use the adm-zip module to create and read ZIP archives. This tutorial will walk you through how to use `adm-zip` module to compress, read, and decompress files.

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Debian 9 — redmine — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — redmine — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15568 CVE-2019-17427 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How To Use cd, pwd, and ls to Explore the File System on a Linux Server — step-by-step Linux tutorial on Progressive Robot

How To Use cd, pwd, and ls to Explore the File System on a Linux Server

Taking your first steps on the command line can be rather daunting. In this article, we seek to make your introduction easy and straight forward. We are going to start small by showing you how to move around on the command line, find out where you are and what is around you. You can use these skills in subsequent guides to complete more complex tasks.

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