Linux

How To Use Winston to Log Node.js Applications on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Use Winston to Log Node.js Applications on Ubuntu 20.04

Winston is a versatile logging library and a popular logging solution available for Node.js applications. Winston’s features include support for multiple storage options, log levels, log queries, and a built-in profiler. In this tutorial, you will use Winston to log a Node/Express application that you’ll create as part of this process. You’ll also see how to combine Winston with Morgan, another popular HTTP request middleware logger for Node.js.

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Como-instalar-e-configurar-o VNC no Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Como-instalar-e-configurar-o VNC no Ubuntu 18.04

O Virtual Network Computing, ou VNC, é um sistema de conexão que permite que você use seu teclado e mouse para interagir com um ambiente gráfico da área de trabalho em um servidor remoto. Isso facilita o gerenciamento de arquivos, software e configurações em um servidor remoto…

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Ubuntu 14.04 — ant — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ant — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 August 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4874-1 Related CVEs: CVE-2020-1945 CVE-2018-10886 Upstream summary: It was discovered that Apache Ant created temporary files with insecure permissions. An attacker could use this vulnerability to read sensitive information leaked […]

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How To Configure WebDAV Access with Apache on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Configure WebDAV Access with Apache on Ubuntu 12.04

WebDAV is a technology that allows you to share access and modify content directly through the regular HTTP protocol. This allows you easy file sharing capabilities built into your web server and the ability to collaboratively build a website. This guide will cover how to configure WebDAV on Ubuntu with the Apache web server.

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Common Problems 117439

Ubuntu 20.04 boot stuck in initramfs prompt

🟡 Medium   ⏱ 5–30 min  Last verified: 13 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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Amazon Linux 2 — librepo — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — librepo — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2020-1568 Related CVEs: CVE-2020-14352 Upstream summary: A flaw was found in librepo. A directory traversal vulnerability was found where it failed to sanitize paths in remote repository metadata. An attacker […]

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How To Install Apache Kafka on Debian 10 — step-by-step Linux tutorial on Progressive Robot

How To Install Apache Kafka on Debian 10

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 configure Apache Kafka 2.1.1 securely on a Debian 10 server, then test your setup by producing and consuming a Hello World message. You will then optionally install KafkaT to monitor Kafka and set up a Kafka multi-node cluster.

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Oracle Linux 8 — libvncserver — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libvncserver — vulnerability — patch and remediation guide (ELSA-2020-3385)

🟠 High   ⏱ 15–60 min  Last verified: 13 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3385 Related CVEs: CVE-2017-18922 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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