June 2021 - Page 48 of 66

How to Configure Dynamic LPAR (DLPAR) on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Dynamic LPAR (DLPAR) 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 configure dynamic lpar (dlpar) on ibm aix 7.1 on […]

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Ubuntu 20.04 — json-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — json-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4360-4 Related CVEs: CVE-2020-12762 https://launchpad.net/bugs/1878723 Upstream summary: USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides […]

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Einrichten eines Node-Projekts mit TypeScript — step-by-step Javascript tutorial on Progressive Robot

Einrichten eines Node-Projekts mit TypeScript

Das Schreiben von serverseitigem JavaScript kann schwierig sein, wenn eine Codebase wächst. TypeScript ist eine typisierte (optionale) Obermenge von JavaScript, die bei der Erstellung und Verwaltung großer JavaScript-Projekte helfen kann. Man kann es sich als JavaScript mit zusätzlichen Funktionen wie starker statischer Typisierung, Kompilierung und objektorientierter Programmierung vorstellen. In diesem Tutorial werden wir erkunden, wie das [Express](https://expressjs.com/)-Framework mit TypeSc

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How to Use Python Virtual Environments on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Python Virtual Environments on RHEL 8

Python virtual environments solve the problem of conflicting package versions across projects by giving each application its own isolated Python installation and package tree. On RHEL 8, the venv module is included with every Python 3 installation, so no additional packages are required to get started. This tutorial covers creating and activating virtual environments, managing […]

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SLES 15 — pacemaker — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — pacemaker — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3054-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25654 CVE-2018-16877 CVE-2018-16878 CVE-2019-3885 Upstream summary: An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in […]

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Настройка код-серверной облачной IDE-платформы в Ubuntu 18.04 [Краткое руководство] — step-by-step Linux tutorial on Progressive Robot

Настройка код-серверной облачной IDE-платформы в Ubuntu 18.04 [Краткое руководство]

Код-серверная IDE — это код Microsoft Visual Studio Code, запущенный на удаленном сервере и доступный напрямую из браузера. Это означает, что вы можете использовать различные устройства, работающие под…

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How To Manage Packages on FreeBSD 10.1 with Pkg — step-by-step Linux tutorial on Progressive Robot

How To Manage Packages on FreeBSD 10.1 with Pkg

FreeBSD’s binary package manager, pkg, can be used to easily manage the installation of pre-compiled applications—the FreeBSD equivalent Debian and RPM packages. In this tutorial, we will show you how to manage packages on FreeBSD 10.1. This includes installing and deleting packages, among other tasks.

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

Oracle Linux 8 — libexif — vulnerability — patch and remediation guide (ELSA-2020-5393)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5393 Related CVEs: CVE-2020-0452 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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