Cpu Memory

How to Install Docker Engine on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Docker Engine on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying install docker engine on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Docker Engine on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Install and Configure IIS on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Install and Configure IIS on Windows Server 2016

How to Configure Windows Server 2016 IIS Web Server Internet Information Services (IIS) 10.0 is the web server platform included with Windows Server 2016. It supports HTTP, HTTPS, FTP, and WebSockets, and is used to host websites, web applications, REST APIs, and web services. This guide covers installing IIS, creating websites, configuring bindings and SSL […]

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How to Configure RRAS on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure RRAS on Windows Server 2012 R2

How to Configure RRAS on Windows Server 2012 R2 Routing and Remote Access Service (RRAS) on Windows Server 2012 R2 is a multi-purpose networking role that provides routing, VPN connectivity, and dial-up access services. RRAS can function as a software router supporting static and dynamic routing protocols (RIP v2 and OSPF via add-ons), as a […]

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How to Install MariaDB on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install MariaDB on Oracle Linux 8

Introduction How to Install MariaDB on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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How to Manage Systemd Services on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Manage Systemd Services on Oracle Linux 8

Introduction Setting up manage systemd services on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Manage Systemd Services on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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How to Set Up WordPress with Apache2 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up WordPress with Apache2 on Debian 9

Introduction Deploying set up wordpress with apache2 on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]

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How to Configure Custom Metrics with Prometheus on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Custom Metrics with Prometheus on Oracle Linux 8

Introduction How to Configure Custom Metrics with Prometheus on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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How to Deploy Applications with Helm on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy Applications with Helm on Oracle Linux 8

Introduction This tutorial demonstrates how to Deploy Applications with Helm 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 the […]

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Common Problems 117943

Ubuntu 18.04 LTS high CPU from runaway systemd service

🟡 Medium   ⏱ 5–30 min  Last verified: 6 January 2021 📖 ~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 & Cross-Refs References & Further […]

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How to Deploy an Application to Kubernetes on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Deploy an Application to Kubernetes on RHEL 8

Once your Kubernetes cluster is running on RHEL 8, the next essential skill is deploying and managing application workloads using the two most fundamental resource types: Deployments and Services. A Deployment describes the desired state of your application pods and ensures that the specified number of replicas are always running, performing rolling updates and self-healing […]

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