August 2020 - Page 4 of 69

How to Monitor Power System Hardware Faults on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Monitor Power System Hardware Faults 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 monitor power system hardware faults on ibm aix 7.1 […]

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

Oracle Linux 8 — memcached — vulnerability — patch and remediation guide (ELSA-2020-1576)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1576 Related CVEs: CVE-2019-11596 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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Java Convert String to XML Document and XML Document to String — step-by-step Programming tutorial on Progressive Robot

Java Convert String to XML Document and XML Document to String

URL: https://www.progressiverobot.com/java-convert-string-to-xml-document-and-xml-document-to-string/ Sometimes while programming in java, we get String which is actually an XML and to process it, we need to convert it to XML Document (org.w3c.dom.Document). Also for debugging purpose or to send to some other function, we might need to convert Document object to String. Here I am providing two utility functions. […]

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Initial Server Setup with CentOS — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with CentOS

When you first create a new CentOS server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you a solid foundation for subsequent actions. This guide will cover setting up a non-root user with sudo, and setting up a basic firewall.

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How to Set Up a Local Kubernetes Dev Cluster with Minikube on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up a Local Kubernetes Dev Cluster with Minikube on Debian 10

Introduction How to Set Up a Local Kubernetes Dev Cluster with Minikube 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 […]

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How To Use Git to Manage Your Writing Project — step-by-step DevOps tutorial on Progressive Robot

How To Use Git to Manage Your Writing Project

Version control isn’t just for code. It’s for anything you want to track, including content. In this tutorial you’ll use Git to manage a small writing project in Markdown. You’ll store an initial version, commit it, make changes, view the difference between those changes, and review the previous version. When you’re done, you’ll have a workflow you can apply to your own writing projects.

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Como configurar um servidor OpenVPN no Debian 9 — step-by-step Linux tutorial on Progressive Robot

Como configurar um servidor OpenVPN no Debian 9

Quer acessar a Internet com segurança do seu smartphone ou notebook, enquanto estiver conectado a uma rede não confiável como o Wi-Fi de um hotel ou café? Uma Virtual Private Network (VPN) permite que você atravesse redes…

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

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2019-3419)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3419 Related CVEs: CVE-2018-12900 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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How To Install Cockpit on Debian 10 — step-by-step Linux tutorial on Progressive Robot

How To Install Cockpit on Debian 10

Cockpit is a server administration dashboard that allows you to view the status of your server in real time. It provides information on CPU load, filesystem statistics, processes, and further information. In this tutorial, you will deploy a secured Cockpit server administration dashboard on a Debian 10 server.

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