November 2019 - Page 60 of 66

How To Build a Password Strength Meter in React — step-by-step Javascript tutorial on Progressive Robot

How To Build a Password Strength Meter in React

Many web applications today insist on users’ having strong passwords, either by ensuring a minimum password length or some combination of alphanumeric characters and symbols in the password. In this tutorial, we will create a form with fields for full name, email, and password using the React JavaScript framework. We will perform some lightweight form validation and also use the zxcvbn library to estimate the strength of the password in the form while providing visual feedback.

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How To Add Swap Space on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Add Swap Space on Debian 9

One of the easiest way of guarding against out-of-memory errors in applications is to add some swap space to your server. In this guide, we will cover how to add a swap file to a Debian 9 server. <$>[warning] Warning: Although swap is generally recommended for systems…

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Como Utilizar APIs Web no Python 3 — step-by-step Python tutorial on Progressive Robot

Como Utilizar APIs Web no Python 3

Uma API, ou Interface de Programação de Aplicações, torna fácil para os desenvolvedores integrar um app com outro. Elas expõem alguns dos funcionamentos internos de um programa de maneira limitada. Você pode utilizar APIs para obter informações de outros programas ou para…

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Common Problems 118555

High Swap Usage and OOM Killer Events

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 115981

Ubuntu 26.04 LTS – Wi-Fi adapter not detected after reboot – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 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 113965

RHEL 10 – NetworkManager drops static route after reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]

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Arch Linux — zsh — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — zsh — multiple vulnerabilities (5 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-201804-5 Related CVEs: CVE-2018-1100 CVE-2018-7549 CVE-2018-7548 CVE-2018-13259 CVE-2018-0502 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 5.4.2-2. Fixed in: 5.5-1. Group: AVG-669. Table of contents Symptom & Impact Environment […]

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How to Install SonarQube on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install SonarQube on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install sonarqube on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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How to Use Lynis Security Auditing on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use Lynis Security Auditing on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use lynis security auditing on ibm aix 7.1 on […]

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