June 2020 - Page 33 of 66

How To Use Python Raw String — step-by-step Python tutorial on Progressive Robot

How To Use Python Raw String

URL: https://www.progressiverobot.com/python-raw-string/ Introduction You can create a raw string in Python by prefixing a string literal with r or R. Python raw string treats the backslash character (\) as a literal character. Raw string is useful when a string needs to contain a backslash, such as for a regular expression or Windows directory path, and […]

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How to Install Docker CE on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Docker CE on Debian 10

Introduction How to Install Docker CE on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This […]

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Debian 9 — netty — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — netty — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16869 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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Интеграция MongoDB с вашим приложением Node — step-by-step Linux tutorial on Progressive Robot

Интеграция MongoDB с вашим приложением Node

При работе с Node.js вы можете столкнуться с ситуацией, когда вы разрабатываете проект, который будет сохранять и запрашивать данные. В данном случае вам нужно будет выбрать решение для базы данных, которое будет отвечать характеристикам данных приложения и…

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Ubuntu 16.04 — evince — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — evince — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4067-1 Related CVEs: CVE-2019-1010006 https://launchpad.net/bugs/1794848 https://launchpad.net/bugs/1788929 CVE-2019-11459 CVE-2017-1000159 CVE-2017-1000083 Upstream summary: It was discovered that Evince incorrectly handled certain PDF files. An attacker could possibly use this issue to cause […]

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Cómo instalar y utilizar Composer en Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cómo instalar y utilizar Composer en Ubuntu 20.04

Composer es una herramienta popular de administración de dependencias para PHP, creada principalmente para facilitar la instalación y actualización de dependencias de proyectos. Comprueba los demás paquetes de los que depende un proyecto específico y…

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Oracle Linux 8 — nodejs:12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:12 — vulnerability — patch and remediation guide (ELSA-2020-0598)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0598 Related CVEs: CVE-2019-15606 CVE-2019-15605 CVE-2019-15604 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How to Install and Secure the Mosquitto MQTT Messaging Broker on Debian 8 — step-by-step Linux tutorial on Progressive Robot

How to Install and Secure the Mosquitto MQTT Messaging Broker on Debian 8

MQTT is a machine-to-machine messaging protocol, designed to provide lightweight publish/subscribe communication to “Internet of Things” devices. Mosquitto is a popular MQTT server (or broker, in MQTT parlance) that has great community support and is easy to install and configure. In this tutorial, we’ll install Mosquitto, retrieve SSL certificates from Let’s Encrypt, and set up our broker to use SSL to secure our password-protected MQTT communications.

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How to Install Redis 7 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Redis 7 on RHEL 10

Introduction This tutorial demonstrates how to Install Redis 7 on RHEL 10 on RHEL 10. 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 RHEL 10 system with the default AppStream repositories enabled. […]

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