IT, Cloud & DevOps Blog

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: 26 December 2019 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: 26 December 2019 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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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: 26 December 2019 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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Arch Linux — libreoffice-still — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libreoffice-still — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201908-9 Related CVEs: CVE-2019-9849 CVE-2019-9848 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 6.1.6-2. Fixed in: 6.2.6-1. Group: AVG-1010. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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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: 26 December 2019 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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How To Configure an OrientDB Cluster on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Configure an OrientDB Cluster on Ubuntu 16.04

OrientDB is a multi-model NoSQL database with support for graph and document databases. It is a Java application and can run on any operating system. It’s also fully ACID-complaint with support for multi-master clustering and replication, allowing easy horizontal scaling. In this tutorial, you will set up a three-node cluster with two master nodes and one replica node using the community edition of OrientDB.

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