Firewall

How to Set Up System Center Operations Manager (SCOM) on Windows Server 2022

• August 8, 2023
• Tutorials
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SCOM Architecture and Components System Center Operations Manager (SCOM) is Microsoft’s enterprise monitoring platform, part of the System Center suite. It provides agent-based and agentless monitoring of Windows servers, network devices, Linux systems, and cloud workloads. Understanding the architecture before deployment is essential for sizing hardware correctly and planning for high availability. The core components […]

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How to Set Up Oracle Linux 9 in AWS

• August 7, 2023
• Oracle Linux
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Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up oracle linux 9 in aws both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Oracle Linux 9 in AWS, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Configure DNS Server on Windows Server 2022

• August 7, 2023
• Tutorials
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How to Configure Remote Desktop Services on Windows Server 2022 Remote Desktop Services (RDS) on Windows Server 2022 encompasses everything from simple single-server RDP access to full virtual desktop infrastructure with Remote Desktop Session Hosts, licensing servers, gateways, and RemoteApp programs. Whether you need to enable basic RDP for administrative access or deploy a multi-user […]

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How to Install Elasticsearch on Oracle Linux 9

• August 6, 2023
• Oracle Linux
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Introduction Setting up install elasticsearch on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Elasticsearch on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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How to Configure Alertmanager on Debian 12

• August 6, 2023
• Linux
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Introduction How to Configure Alertmanager on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 12. This tutorial […]

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How to Enable HTTP/2 in Nginx on Oracle Linux 9

• August 5, 2023
• Oracle Linux
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Introduction Setting up enable http/2 in nginx on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Enable HTTP/2 in Nginx on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

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How to Tune Kernel Parameters with sysctl on Debian 12

• August 5, 2023
• Linux
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Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up tune kernel parameters with sysctl on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully […]

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How to Implement Mandatory Access Control on Oracle Linux 9

• August 4, 2023
• Oracle Linux
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Introduction How to Implement Mandatory Access Control on Oracle Linux 9 on Oracle Linux 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 […]

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NFS Mount Fails with SELinux Context Issues

• August 3, 2023
• Tutorials
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🟡 Medium   ⏱ 5–30 min  Last verified: 3 August 2023 📖 ~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 Automate Oracle Linux 9 with Ansible

• August 3, 2023
• Oracle Linux
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Introduction This tutorial demonstrates how to Automate Oracle Linux 9 with Ansible on Oracle Linux 9. 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 9 system with the default AppStream […]

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