I had to resort to Interop code, because MonthCalendar.UpdateBoldedDates recreates the window, and messes up the current date ranges.
First, declare some Interop functions and data structures

Const MCM_SETDAYSTATE As Integer = &H1008

<StructLayout(LayoutKind.Sequential)> _
Structure MONTHDAYSTATE
Dim dw As [...]

Provisioning

Eucalyptus – is an open-source software infrastructure for implementing “cloud computing” on clusters. The current interface to Eucalyptus is compatible with Amazon’s EC2, S3, and EBS interfaces
SystemImager – automates Linux installs, software distribution, and production deployment
Cobber – is a Linux installation server that allows for rapid setup of network installation environment
LinMin – Unattended, Remote, [...]