Cpu Memory

How to Configure Persistent Volumes in Kubernetes on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Persistent Volumes in Kubernetes on SLES 15

Introduction This tutorial covers How to Configure Persistent Volumes in Kubernetes 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. Step 1 — Disable Swap swapoff -a sed -i ‘/ […]

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How to Configure Postfix Mail Server on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Postfix Mail Server on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure postfix mail server on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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How to Install and Configure RabbitMQ on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure RabbitMQ on RHEL 8

RabbitMQ is a robust open-source message broker that implements the AMQP protocol, enabling asynchronous communication between application components. It is widely used for task queuing, event streaming, and decoupling microservices. On RHEL 8, RabbitMQ requires a compatible version of Erlang that is best installed from the official RabbitMQ Cloudsmith repository rather than the default RHEL […]

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How to Contribute to CentOS Stream 9 Development — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Contribute to CentOS Stream 9 Development

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying contribute to centos stream 9 development both straightforward and auditable. This tutorial covers the complete procedure for how to Contribute to CentOS Stream 9 Development, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Configure Disk Quotas on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Disk Quotas on FreeBSD 13 (ON-FREEBSD-13)

Introduction How to Configure Disk Quotas on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 packet filtering, […]

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How to Set Up a Firewall with firewalld on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Firewall with firewalld on CentOS Stream 9

Introduction Setting up set up a firewall with firewalld on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Firewall with firewalld on CentOS Stream 9, with all the commands you need, the SELinux […]

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How to Configure Nginx Rate Limiting on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting on FreeBSD 13

Introduction Deploying configure nginx rate limiting on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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How to Configure CentOS Stream 9 in Google Cloud — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure CentOS Stream 9 in Google Cloud

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure centos stream 9 in google cloud both straightforward and auditable. This tutorial covers the complete procedure for how to Configure CentOS Stream 9 in Google Cloud, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Install Netdata on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Netdata on RHEL 8

Netdata is a lightweight, real-time performance monitoring agent that collects thousands of system and application metrics with per-second granularity and displays them through a built-in, zero-configuration web dashboard. Unlike heavier stacks, Netdata starts delivering useful insights within minutes of installation and requires virtually no ongoing maintenance. It can also stream metrics to a central parent […]

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How to Configure Container Networking on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Container Networking on CentOS Stream 9

Introduction How to Configure Container Networking on CentOS Stream 9 on CentOS Stream 9 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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