Open Source HOWTOs

In these articles we share information on how to make the most of open source software. Software that Netservers staff have extensive knowledge of include:

  • GNU Linux Operating systems (CentOS, Ubuntu, Fedora etc.)
  • Asterisk PBX
  • Linux Netfilter (iptables)
  • Apache + mod_perl
  • PHP
  • Sendmail
  • Cyrus IMAPD
  • OpenLDAP
  • Samba

HOWTOs

Enabling e1000 Gigabit device emulation in Citrix XenServer

The following howto describes modification to critical system software. If you choose to follow this guide, you do so at your own risk.

The problem

The commercial version of the Citrix XenServer does not allow you to choose the type of ethernet adapter to emulate within your VM. The standard device that is emulated is a Realtek 8139 (RTL8139), which is a 100Mbit/sec Fast Ethernet card.

GeoIP Filtering for Asterisk et al

This article is the first of a planned series of articles concerning open source security. In these articles we'll share information and Howtos concerning the installation and management of open source software.