January 2021 - Page 8 of 69

Common Problems 117592

Ubuntu 20.04 LTS Swap Thrashing Under Memory Pressure

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 20.04 LTS 📖 ~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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How to Configure Shared Memory Segments on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Shared Memory Segments 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 shared memory segments on ibm aix 7.1 on […]

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IBM AIX 7.2 — CVE-2021-38933 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-38933 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-38933, IBM Support Bulletin CVE: CVE-2021-38933 NVD summary: IBM Sterling Connect:Direct for UNIX 1.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force […]

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What is Django? — step-by-step Python tutorial on Progressive Robot

What is Django?

Django is an open source Python web framework used for web development. Released in July 2005, Django is popular for its…

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Traffic Management in Istio - A detailed Guide — step-by-step DevOps tutorial on Progressive Robot

Traffic Management in Istio – A detailed Guide

URL: https://www.progressiverobot.com/traffic-management-in-istio/ Hello, readers! This article talks about Traffic Management in Istio with its resources as a detailed explanation. So, let us begin!! _Also read: [Installation of Istio in a Kubernetes Cluster](/community/tutorials/installation-of-istio-in-a-kubernetes-cluster)_ What is traffic management all about? Traffic management refers to the management of the traffic generated as a part of the data/browsing transfer […]

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Введение в OAuth 2 — step-by-step Security tutorial on Progressive Robot

Введение в OAuth 2

OAuth 2 представляет собой фреймворк для авторизации, позволяющий приложениям осуществлять ограниченный доступ к пользовательским аккаунтам на HTTP сервисах, например, на Facebook, GitHub и the cloud provider. Он работает по принципу делегирования аутентификации пользователя сервису, на…

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How to Set Up a LAMP Stack on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up a LAMP Stack on SLES 15

Introduction This tutorial covers How to Set Up a LAMP Stack on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: […]

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