Cpu Memory

How to Configure Oracle Linux 8 with Secure Boot — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Oracle Linux 8 with Secure Boot

Introduction How to Configure Oracle Linux 8 with Secure Boot 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 […]

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How to Profile Application Performance with perf on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Profile Application Performance with perf on RHEL 7

How to Profile Application Performance with perf on RHEL 7 Performance bottlenecks in production applications are notoriously difficult to diagnose using traditional monitoring tools alone. CPU usage metrics tell you that a system is busy but rarely tell you where the work is happening inside your application. The perf subsystem, built directly into the Linux […]

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How to Set Up K3s Lightweight Kubernetes on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up K3s Lightweight Kubernetes on Oracle Linux 8

Introduction How to Set Up K3s Lightweight Kubernetes 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 Set Up Varnish Cache on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Varnish Cache on Oracle Linux 8

Introduction Setting up set up varnish cache 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 Set Up Varnish Cache on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

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How to Configure SR-IOV on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure SR-IOV on Windows Server 2016

How to Set Up Windows Server 2016 SR-IOV Single Root I/O Virtualization (SR-IOV) is a PCI Express (PCIe) specification that allows a single physical network adapter to appear as multiple separate virtual network adapters in a virtualized environment. Each virtual function (VF) can be assigned directly to a virtual machine, bypassing the Hyper-V virtual switch […]

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How to Set Up Lynis Security Auditing on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Lynis Security Auditing on Oracle Linux 8

Introduction How to Set Up Lynis Security Auditing 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 Install cAdvisor for Container Monitoring on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install cAdvisor for Container Monitoring on FreeBSD 12

Introduction How to Install cAdvisor for Container Monitoring on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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How to Set Up a Certificate Authority with OpenSSL on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on FreeBSD 12

Introduction How to Set Up a Certificate Authority with OpenSSL on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, […]

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How to Set Up a Static IP Address on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up a Static IP Address on Oracle Linux 8

Introduction This tutorial demonstrates how to Set Up a Static IP Address 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 […]

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How to Configure SSL/TLS with OpenSSL on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on Oracle Linux 8

Introduction Setting up configure ssl/tls with openssl 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 Configure SSL/TLS with OpenSSL on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

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