How To Install Apache Kafka on Ubuntu 18.04
Apache Kafka is a popular distributed message broker designed to efficiently handle large volumes of real-time data. In this tutorial, you will install and use Apache Kafka 1.1.0 on Ubuntu 18.04.
openSUSE Tumbleweed — perl-XML-Twig — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:1177-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-9180 Upstream summary: perl-XML-Twig: The option to `expand_external_ents`, documented as controlling external entity expansion in XML::Twig does not work. External entities are always expanded, regardless […]
How To Create Queries in MongoDB
MongoDB provides a robust query mechanism that makes it straightforward to define filtering criteria when retrieving documents. In this tutorial, you’ll learn how to query MongoDB collections using a different range of filters and conditions. You will also learn what cursors are and how to use them within the MongoDB shell.
Data Augmentation for Bounding Boxes: Rotation and Shearing
This article will cover how to implement rotation and shear images and bounding boxes using OpenCV’s affine transformation features.
An Introduction to Mesosphere
Mesosphere is a software solution that expands upon the cluster management capabilities of Apache Mesos with additional components to provide a new and novel way to manage server infrastructures. In this tutorial, we will briefly explain what each key component of Mesosphere does, starting with Apache Mesos, and show how each is used in the context of Mesosphere.
Windows Server 2016 — RRAS NAT translation table saturation causes outbound traffic drops during peak usage — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 23 June 2020 Affected versions: Windows Server 2016 📖 ~2 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 […]
Windows Server 2019 — DNSSEC validation failures after trust anchor rollover on Windows Server 2019 resolvers — Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 23 June 2020 Affected versions: Windows Server 2019 📖 ~2 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 […]
What is CSS?
CSS (Cascading Style Sheets) is a stylesheet language used to control the presentation of websites. Alongside HTML and JavaScript, CSS is one of the core technologies of the World Wide Web.
Alpine Linux edge — json-c — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.14-r1 📖 ~4 min read • Source: Alpine secdb entry — json-c 0.14-r1 Related CVEs: CVE-2020-12762 Upstream summary: Alpine main repository for vedge ships json-c 0.14-r1 which addresses CVE-2020-12762. Table of contents Symptom & Impact Environment […]
Vectors in Python – A Quick Introduction!
URL: https://www.progressiverobot.com/vectors-in-python/ Hello, folks! Today, we will be having a look at one of the most unaddressed topics in Python that is, Vectors in Python. So, let us begin! First, what is a Vector? A vector in a simple term can be considered as a single-dimensional array. With respect to Python, a vector is a […]
