Cpu Memory

How to Set Up a VPN Server on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up a VPN Server on Windows Server 2022

How to Install and Configure PHP in IIS on Windows Server 2022 Running PHP on IIS with Windows Server 2022 is a fully supported and production-ready configuration. IIS handles PHP through FastCGI, which provides better performance and isolation compared to older CGI methods. This guide walks through a complete PHP installation, IIS handler configuration, php.ini […]

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How to Monitor System Resources with htop, top and vmstat on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Monitor System Resources with htop, top and vmstat on RHEL 9

Every Linux administrator needs a reliable toolkit for answering the question “why is this server slow?” The answer is almost always in one of four resources: CPU, memory, disk I/O, or network. RHEL 9 includes several powerful tools for diagnosing resource contention: top is included in every base installation and provides a real-time process table; […]

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How to Integrate Windows Server with Azure Active Directory on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Integrate Windows Server with Azure Active Directory on Windows Server 2022

Introduction to Azure Active Directory and Hybrid Identity Azure Active Directory (Azure AD), now rebranded as Microsoft Entra ID, is Microsoft’s cloud-based identity and access management service. Unlike traditional on-premises Active Directory Domain Services (AD DS), which relies on Kerberos and LDAP within your network perimeter, Azure AD is built for the modern web — […]

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How to Configure Exploit Protection on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Exploit Protection on Windows Server 2019

Introduction to Exploit Protection Exploit Protection is a Windows Defender feature in Windows Server 2019 that applies exploit mitigation techniques to operating system processes and individual applications. It is the successor to Enhanced Mitigation Experience Toolkit (EMET) and provides a comprehensive set of memory protection, code execution prevention, and anti-exploit technologies. Exploit Protection mitigations make […]

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How to Install and Configure Samba File Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Configure Samba File Server on Debian 11

Introduction How to Install and Configure Samba File Server on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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Common Problems 117125

Ubuntu 22.04 LTS – Swap disabled causing OOM kills under load – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 31 October 2022 Affected versions: Ubuntu 22.04 LTS 📖 ~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 […]

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How to Install Docker Compose on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Docker Compose on Debian 11

Introduction Deploying install docker compose on debian 11 on a Debian 11 Bullseye 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 you begin, […]

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How to Configure PostgreSQL Remote Access on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access on Debian 11

Introduction How to Configure PostgreSQL Remote Access on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]

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How to Configure OpenVAS Vulnerability Scanner on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure OpenVAS Vulnerability Scanner on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up configure openvas vulnerability scanner on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and […]

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How to Install and Configure BIND9 DNS Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server on Debian 11

Introduction How to Install and Configure BIND9 DNS Server on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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