HashiCorp Packer is an open-source tool for creating identical machine images for multiple platforms from a single configuration source. Rather than manually configuring servers after deployment, Packer bakes your configuration — packages, users, services, certificates — directly into the image at build time, embodying the immutable infrastructure pattern. The resulting AMIs, OVA files, or container […]
Introduction Setting up register rhel 10 with red hat subscription manager on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Register RHEL 10 with Red Hat Subscription Manager, with all the commands you need, the SELinux and firewalld considerations to keep […]
Introduction Setting up perform a minimal installation of rhel 10 on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Perform a Minimal Installation of RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, […]
How to Configure Windows Server 2012 R2 as a VPN Server with SSTP Secure Socket Tunneling Protocol (SSTP) is a VPN protocol that encapsulates PPP traffic inside HTTPS, using port 443 for all VPN data. This makes SSTP the most firewall-friendly VPN protocol available — it works through virtually any firewall, NAT device, or web […]
How to Set Up IIS 8.5 Reverse Proxy on Windows Server 2012 R2 IIS 8.5 on Windows Server 2012 R2, combined with the Application Request Routing (ARR) extension and URL Rewrite module, creates a powerful reverse proxy platform that can load-balance web applications, forward requests to backend servers, terminate SSL, and provide WAF-like URL filtering. […]
How to Install SQL Server 2014 on Windows Server 2012 R2 SQL Server 2014 is a natural pairing with Windows Server 2012 R2, offering AlwaysOn Availability Groups, in-memory OLTP (Hekaton), buffer pool extensions, and enhanced cloud integration with Microsoft Azure. Installing SQL Server 2014 correctly on Windows Server 2012 R2 requires attention to prerequisites, service […]
How to Configure NPS for 802.1X Authentication on Windows Server 2012 R2 Network Policy Server (NPS) is the Microsoft implementation of RADIUS (Remote Authentication Dial-In User Service) on Windows Server 2012 R2. When combined with 802.1X-capable network switches and wireless access points, NPS enables port-based network access control: devices can only connect to the network […]
How to Configure Certificate Auto-Enrollment via Group Policy on Windows Server 2012 R2 Certificate auto-enrollment allows domain computers and users to automatically request, receive, and renew digital certificates from an Enterprise CA without any manual intervention. This eliminates the administrative burden of manually issuing certificates to hundreds or thousands of devices and users, ensures certificates […]
How to Set Up a PKI Infrastructure with AD CS on Windows Server 2012 R2 Public Key Infrastructure (PKI) built on Active Directory Certificate Services (AD CS) provides the digital certificate foundation for enterprise security: SSL/TLS certificates for web servers and internal services, S/MIME for email encryption, smart card authentication, code signing, and IPsec encryption. […]
How to Migrate Active Directory from Windows Server 2008 R2 to 2012 R2 Migrating an Active Directory environment from Windows Server 2008 R2 to Windows Server 2012 R2 is a multi-phase process that involves introducing new Domain Controllers, transferring FSMO roles, raising functional levels, and decommissioning old servers. Done correctly, the migration is non-disruptive — […]
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