chris

How To Create Custom Components in React — step-by-step Javascript tutorial on Progressive Robot

How To Create Custom Components in React

Custom components are independent pieces of functionality that you can reuse in your code, and are the building blocks of all applications built on the React framework. Often, they can be simple JavaScript functions and classes, but you use them as if they were customized HTML elements. Buttons, menus, and any other front-end page content can all be created as components. In this tutorial, you’ll build your own custom component, and use this distinction to organize your project’s file structure.

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eclipse.ini vm arguments - eclipse.ini File Location Mac, Windows — step-by-step Programming tutorial on Progressive Robot

eclipse.ini vm arguments – eclipse.ini File Location Mac, Windows

eclipse.ini is the configuration file used to control the Eclipse startup. We can configure Eclipse VM arguments such as JDK to be used (eclipse.ini vm), permgen space, maximum and minimum heap size using Xms, Xmx parameters. eclipe.ini File Location For windows, it's in the same directory as eclipse.exe file, as shown in below image. ![eclipse.ini […]

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How to Set Up Data Deduplication on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Data Deduplication on Windows Server 2019

Introduction to Data Deduplication on Windows Server 2019 Data Deduplication (Dedup) is a Windows Server 2019 feature that reduces storage consumption by identifying and eliminating duplicate data blocks across files on a volume. Instead of storing multiple copies of identical data, Dedup replaces duplicates with references to a single shared copy stored in a special […]

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Common Problems 118531

Ubuntu 16.04 LTS – cloud-init stalls and delays first boot provisioning – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 August 2020 Affected versions: Ubuntu 16.04 LTS 📖 ~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 […]

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Common Problems 117982

Netplan YAML Parse Error After Network Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 16 August 2020 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 115026

RHEL 8 Cockpit Web Console Unreachable On Port 9090

🟡 Medium   ⏱ 5–30 min  Last verified: 16 August 2020 📖 ~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 & Cross-Refs References & Further […]

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openSUSE Tumbleweed — python36-Flask-Cors — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-Flask-Cors — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1393-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25032 Upstream summary: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access private resources […]

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Ubuntu 20.04 — spice — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — spice — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 August 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4572-1 Related CVEs: CVE-2020-14355 Upstream summary: Frediano Ziglio discovered that Spice incorrectly handled QUIC image decoding. A remote attacker could use this to cause Spice to crash, resulting in a […]

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