Denis Hierholzer
This website runs on a cluster. Right now you are on node 01 (IP 5.45.100.46)

My IT Infrastructure

Rough Infrastructure Layout

As my IT lab is under continuous development this picture just shows a snapshot and could already be totally out-of-date while you are reading this.

IT Infrastructure Layout

IT Infrastructure Layout

Services, Tools and Technologies in use

Microsoft Windows

  • Windows 7
  • Windows 8
  • Windows Server 2008 R2
  • Windows Server 2012

Virtualization

  • Hyper-V
  • VMware Cluster (ESXi + vCenter Server)
  • VM migration from Hyper-V to VMware
  • vMotion, DRS, HA
  • Shared Storage (iSCSI)

Domain Controller

  • Active Directory
  • DNS
  • DHCP
  • Group Policies
  • Integration of Windows Server 2012 DC

Exchange Server

  • Edge Server (Antispam)
  • Migration from 2010 to 2013
  • Clean removal of Exchange 2010 server
  • DAG

Firewall/Router (pfSense)

  • NAT
  • Port Forwarding
  • Firewall Rules

VPN

  • PPTP
  • OpenVPN
  • Site to site
  • Routing

DirectAccess (with WinServer 2008 and 2012)

  • Microsoft DirectAccess (Unified Remote Access, is a VPN-like technology)
  • IPv6
  • PKI

File Server

  • Folder Permissions
  • Shared Folders
  • DFS Namespaces
  • DFS Replication

Database Server

  • 2x MS SQL Server 2008
  • Microsoft Failover Cluster

Monitoring Server

  • Nagios (about 30 hosts with more than 250 services)
  • SNMP

Linux

  • Debian, CentOS
  • Web Server Cluster
  • Apache, PHP
  • MySQL Replication
  • unison File Replication
  • FTP, SFTP, chroot
  • squid + proxy pac

Website Apps

  • Redaxo CMS
  • Joomla CMS
  • Wordpress
  • DokuWiki

Website Technologies

  • HTML
  • PHP
  • JavaScript
  • CSS
  • MySQL

Other Tools and Services

  • Redmine
  • ISPconfig
  • owncloud
  • AjaXplorer