December 2019 - Page 53 of 69

How To Scrape a Website Using Node.js and Puppeteer — step-by-step Javascript tutorial on Progressive Robot

How To Scrape a Website Using Node.js and Puppeteer

In this tutorial, you will build a web scraping application using Node.js and Puppeteer. Your app will grow in complexity as you progress. First, you will code your app to open Chromium and load a special website designed as a web-scraping sandbox: [books.toscrape.com](books.toscrape.com). In the next two steps, you will scrape all the books on a single page of books.toscrape and then all the books across multiple pages. Then you will filter your scraping by category and save your data as JSON.

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How to Install k3s Lightweight Kubernetes on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install k3s Lightweight Kubernetes on RHEL 8

  • December 8, 2019
  • Linux
  • Comment off

k3s is a lightweight, CNCF-certified Kubernetes distribution built for resource-constrained environments, edge deployments, and developer laptops, yet it is fully production-capable. It ships as a single binary under 100 MB, bundles its own SQLite datastore, and eliminates the need for a separate etcd cluster on small installations. RHEL 8 is an excellent host for k3s […]

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SLES 15 — libXi6 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libXi6 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • December 8, 2019
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1984 CVE-2013-1995 CVE-2013-1998 Upstream summary: Multiple integer overflows in X.org libXi 1.7.1 and earlier allow X servers to trigger allocation of insufficient memory and a […]

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How To Install Sandstorm on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Sandstorm on Ubuntu 14.04

  • December 8, 2019
  • Linux
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Sandstorm is an open source platform for personal servers, which means that it can be used to install many different apps on one server with a very easy to use interface. A few examples of the apps that can be installed using Sandstorm are WordPress, GitLab, MediaWiki, Apache Wave, and RoundCube webmail.

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Oracle Linux 8 — virt:ol — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol — vulnerability — patch and remediation guide (ELSA-2020-0279)

  • December 8, 2019
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0279 Related CVEs: CVE-2019-11135 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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How to Install Redis on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Redis on RHEL 8

  • December 8, 2019
  • Linux
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Redis is an in-memory data structure store used as a database, cache, and message broker, capable of delivering sub-millisecond response times for millions of operations per second. On RHEL 8, Redis is available through the AppStream module system, giving you a straightforward installation path without third-party repositories. This guide covers installing Redis 6 via AppStream […]

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Common Problems 118440

Ubuntu 16.04 NVIDIA driver installation fails

  • December 7, 2019
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 19 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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How to Use HMC to Manage Power Systems on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use HMC to Manage Power Systems on IBM AIX 7.1

  • December 7, 2019
  • IBM AIX
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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 hmc to manage power systems on ibm aix […]

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