Linux Terminal Server Project: Server Configuration Guidelines
Short summary:
Linux Terminal Server Project: Server Configuration Guidelines. locate XDM servers. Once an XDM server is located, the XDM server. LTSP Architecture The principal goal of sizing LTSP servers ...
Long summary:
Linux Terminal Server Project: Server Configuration Guidelines Linux Terminal Server Project: Server Configuration Guidelines Author Brian Zammit Co-founder Abstract This whitepaper describes how to properly plan and size a LTSP installation, making it easier to successfully deploy Linux thin client solutions in businesses, governments, and educational institutions. Copyright © 2004 Systems Aligned Inc. All rights reserved. www.systemsaligned.com Table of Contents 1. Introduction.1 LTSP Architecture.1 Highlevel Architecture.1 Remote X Sessions.3 Selecting an Appropriate LTSP Server.3 Sizing Versus Tuning.3 Application Resource Measurement Tools.4 Server Monitoring Tools.5 Configuring for Resiliency.5 Intel x86 32bit and 64bit Servers and Linux.6 2. Sizing Guidelines and Methodology.8 Estimating Realworld Workloads.12 Profiling Users.12 Profiling Applications.13 Example Calculations.14 Calculating the Average User Resource Usage.14 Calculating Average Resource Consumption for Each User Type.15 Calculating SWAP Space Requirements.16 Accounting for Other Services.17 Web Services.18 File Services.18 Video Clients.18 CPU.18 Switch Backplane Requirements for Multimedia.19 3. Example LTSP Server Configurations.20 Educational (K12) Environment.20 Library Automation.20 General Office Automation.21 Call Center.21 LTSP: Server Configuration Guidelines Copyright © 2004 Systems Aligned Inc. 1. Introduction The Linux Terminal Server Project (LTSP) architecture has revolutionized the deployment of workgroup computing resources. Management need no longer worry about hardware obsolescence and can avoid investing in the traditional supercomputers on every desk mantra of the past. The significant unused CPU and memory resources of many of todays desktop computers can be replaced by a LTSP system that is greatly more efficient and economical. Computing resources in the LTSP architecture are shared throughout the workgroup, greatly improving resource utilization over traditional desktop models. LTSP diskless thin client users enjoy server-class performance for a wide range of applications. At the same time, a centralized model allows administrators to focus on the server and better understand the characteristics of the applications they support. In this new computing model, resources can be applied where they are needed most to benefit application performance. To provide a high level of interactivity, LTSP servers must be configured to satisfy the needs of the individuals and workgroups they serve. Going beyond simple ratios of clients to servers or other rules-of-thumb, this document provides an effective methodology for sizing LTSP servers with a particular focus towards meeting individualized workgroup needs. LTSP Architecture The principal goal of sizing LTSP servers is to develop an estimate of the hardware and network configurations required to meet the current needs of the workgroup, as well as anticipate short-term growth. Where possible, initial estima ...
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