Gentle Migration with Terminal Clients
summary
Describes a gradual migration path for small and medium organizations using terminal-server concepts: replacing SPSS with STATA, moving user sessions from Windows desktop PCs to a Linux-based terminal server cluster, and implementing that cluster with open-source tools (heartbeat, Linux Virtual Server, DRBD, NX) plus some commercial components (STATA, NX server). Presents the cluster’s three-year production implementation for about 40 seats, the motivation (costs, stability, memory needs up to 4 GB), the design choices and practical problems that forced changes during implementation.
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