Introduction to Windows Diagnostics and Memory Dumps on Windows Server 2022 When Windows Server 2022 crashes or becomes unresponsive, the operating system can write a memory dump to disk — a snapshot of RAM contents at the moment of failure. Analyzing these dumps is one of the most powerful ways to diagnose kernel bugs, driver […]
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 […]
Introduction How to Implement Network Segmentation 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 […]
Introduction to Scheduled Task-Based Backup Scripts on Windows Server 2022 Windows Server 2022 ships with powerful built-in tools for automating backup operations: PowerShell for scripting, the Task Scheduler for timed execution, robocopy for file-level data copies, and wbadmin for system image and system state backups. Combining these into well-structured backup scripts — complete with logging, […]
Introduction Setting up configure fips 140-2 mode 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 FIPS 140-2 Mode on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]
Introduction Setting up set up clamav antivirus 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 ClamAV Antivirus on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]
Introduction to System State Backup on Windows Server 2022 System state backup is one of the most critical recovery capabilities on Windows Server 2022. Unlike a full volume backup, a system state backup captures the essential components that define the server’s identity and role — Active Directory Domain Services, the registry, boot files, COM+ class […]
Introduction Setting up configure a firewall with nftables 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 a Firewall with nftables on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]
Introduction Setting up set up two-factor authentication with google authenticator 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 Two-Factor Authentication with Google Authenticator on Oracle Linux 8, with all the commands you need, […]
Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying implement mandatory access control on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Implement Mandatory Access Control on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]
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