February 2021 - Page 30 of 57

Common Problems 115506

RHEL 7 yum GPG Key Mismatch on Repository Metadata

🟡 Medium   ⏱ 5–30 min  Last verified: 14 February 2021 Affected versions: RHEL 7 📖 ~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 113443

Windows Server 2012 R2 — System volume marked dirty causes prolonged boot checks — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 February 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Install and Configure Apache HTTP Server on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Install and Configure Apache HTTP Server 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 install and configure apache http server on ibm aix […]

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Using While Loops and Do...While Loops in JavaScript — step-by-step Javascript tutorial on Progressive Robot

Using While Loops and Do…While Loops in JavaScript

Automation is the technique of making a system operate automatically; in programming, we use loops to automate repetitious tasks. Loops are one of the most useful features of programming languages, and in this this article we will learn about the while and do…while…

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IBM AIX 7.1 — CVE-2020-4259 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4259 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 14 February 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4259, IBM Support Bulletin CVE: CVE-2020-4259 NVD summary: IBM Sterling File Gateway 2.2.0.0 through 6.0.3.1 could allow an authenticated user could manipulate cookie information and remove or add modules from the cookie […]

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How To Plot Data in Python 3 Using matplotlib — step-by-step Python tutorial on Progressive Robot

How To Plot Data in Python 3 Using matplotlib

Visualization is a quick and easy way to convey concepts in a universal manner, especially to those who aren’t familiar with your data. This tutorial will describe how to plot data in Python using the 2D plotting library matplotlib. We’ll go through generating a scatter plot using a small set of data, adding information such as titles and legends to plots, and customizing plots by changing how plot points look.

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Установка дистрибутива Anaconda Python в Ubuntu 20.04 — step-by-step AI And Machine Learning tutorial on Progressive Robot

Установка дистрибутива Anaconda Python в Ubuntu 20.04

Anaconda — диспетчер пакетов с открытым исходным кодом, диспетчер среды и дистрибутив языков программирования Python и R. Он широко используется для анализа данных, машинного обучения, крупномасштабной обработки данных, научных вычислений и предиктивной аналитики. Anaconda…

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Amazon Linux 2 — libjpeg-turbo — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libjpeg-turbo — multiple vulnerabilities (9 CVEs) — 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 ALAS2-2023-2254 Related CVEs: CVE-2020-17541 CVE-2021-29390 CVE-2021-46822 CVE-2016-3616 CVE-2018-11212 CVE-2018-11213 CVE-2018-11214 CVE-2018-11813  +1 more Upstream summary: Libjpeg-turbo all version have a stack-based buffer overflow in the "transform" component. A remote attacker […]

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