March 2021 - Page 19 of 69

Amazon Linux 2 — kernel-livepatch-4.14.203-156.332 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.203-156.332 — 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 ALAS2LIVEPATCH-2021-035 Related CVEs: CVE-2020-28374 Upstream summary: A flaw was found in the Linux kernel's implementation of the Linux SCSI target host, where an authenticated attacker could write to any block […]

Read more
Common Problems 112435

Windows Server 2019 — MSU update package fails to install with hash mismatch corrupt error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 04 June 2027 Affected versions: Windows Server 2019 📖 ~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 […]

Read more
How to Set Up a Kubernetes Dashboard on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up a Kubernetes Dashboard on Oracle Linux 8

Introduction This tutorial demonstrates how to Set Up a Kubernetes Dashboard on Oracle Linux 8 on Oracle Linux 8. 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 Oracle Linux 8 system with […]

Read more
How to Install MySQL via AIX Toolbox on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Install MySQL via AIX Toolbox 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 mysql via aix toolbox on ibm aix 7.1 […]

Read more
A Fetch API Primer — step-by-step Javascript tutorial on Progressive Robot

A Fetch API Primer

In this quick post we’ll go over using the Fetch API to GET or POST some JSON data to an external resource. We’ll also go over proper error handling.

Read more
How To Optimize MySQL with Query Cache on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Optimize MySQL with Query Cache on Ubuntu 18.04

Query cache is a prominent MySQL feature that speeds up data retrieval from a database. In this tutorial, you will first configure MySQL without query cache and run queries to see the duration results. Then you’ll set up query cache and test your MySQL server with it enabled to show the difference in performance.

Read more
How to Configure Windows Server 2019 Software Load Balancer — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 Software Load Balancer

How to Configure Windows Server 2019 Software Load Balancer Software Load Balancer (SLB) is a component of the Windows Server 2019 Software Defined Networking (SDN) stack that provides inbound and outbound network traffic load balancing and Network Address Translation (NAT). SLB operates at Layer 4 (TCP/UDP) and distributes connections across backend server pools using ECMP […]

Read more
CHAT