Using the CSS line-height Property to Improve Readability
Quickly learn all about the CSS line-height property, the values it can take and some best practices that result in text that’s easy to read.
Introduction to Clipping Using clip-path in CSS
Learn how to transform the shape of images, SVGs and just about anything using the clip-path property.
How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 8
Jenkins Pipelines allow you to define your entire build, test, and deployment workflow as code stored alongside your application. On RHEL 8 with Jenkins already installed, the Declarative Pipeline syntax offers a structured, human-readable format that is easy to maintain and review. This tutorial covers creating a Pipeline job in the Jenkins UI, writing a […]
Oracle Linux 8 — device-mapper-multipath — security and stability fixes — required update (ELSA-2023-2948)
🟡 Medium ⏱ 10–30 min Last verified: 2 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-2948 Related CVEs: CVE-2022-41973 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Ubuntu 20.04 LTS – apt update shows NO_PUBKEY for repository signatures
🟠 High ⏱ 5–30 min Last verified: 2 December 2020 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]
What is LAMP?
LAMP refers to a collection of open-source software that is commonly used together to serve web applications. The term LAMP is an acronym that represents the configuration of a Linux operating system with an Apache web server, with site data stored in a MySQL database and dynamic content processed by PHP.
How To Implement an Infinite Scroll with Vue.js
Learn how to implement a simple infinite scroll for your Vue apps using vanilla JavaScript and fetching data from an API.
FreeBSD 12 — py38-bleach — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 2 December 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-bleach — regular expression denial-of-service Related CVEs: CVE-2020-6817 Upstream summary: Bleach developers reports: bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to […]
Understanding RxJS Operators: forkJoin, zip, combineLatest, and withLatestFrom
RxJS operators: forkJoin, zip, combineLatest, withLatestFrom
How to Configure Oracle Linux 8 with FCoE Storage
Introduction This tutorial demonstrates how to Configure Oracle Linux 8 with FCoE Storage on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default […]
