Technology Errors

Windows XP Ruby Gem, ERROR: Error installing eventmachine:

Most gems are very easy to install however they have typically been created for a Linux environment such as CentOS, RedHat, or OS X. This can cause all sorts of issues with libraries, compilers, etc. because less time has been spent making sure that these gems install on all versions of Windows because of all the differences. It is much easier to make sure that the gems install across all UNIX/Linux versions instead of the Windows versions.

When attempting to install eventmachine on a Windows server or regular PC you will run across an error. The error will spit out a bunch of data including install switches along with some other error information such as the below.

Technology Insights

Add Static DNS Entries to DD-WRT Router Firmware

It is easy to add static DNS entries to the dd-wrt GUI interface. Follow the below simple steps and then reboot your router. In the below directions the dd-wrt version is v24-sp2.

  1. Login: First login to your wired or wireless router that is running dd-wrt software.
  2. Open Services: Click the “Services” tab which will default to the “Services” sub tab as well.

Technology Insights

DDWRT – What do the PPTP Settings for MPPE no40 and no56 Mean?

MPPE stands for Microsoft Point to Point Encryption. MPPE is used to encrypt data traveling over a PPTP, or Point to Point Tunneling Protocol, connection.

When setting up a PPTP connection using DD-WRT firmware on your router there is a blank field to configure MPPE Encryption options in the VPN/PPTP setup. By default the text “mppe required” is typed into this field. You can add a couple other options which include no40, no56, and stateful or stateless. Descriptions of these options are listed below.