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Michael Fudge Remote Lab: Providing Access to Your Lab Facilities Virtually Sr. Systems & IT Support Administrator, Adjunct Professor Syracuse University iSchool
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Start Michael Fudge mafudge@syr.edu http://mafudge.syr.edu/ remote-lab @mafudge
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iSchool? 7000+ Alumni 728 Graduates 585 Undergrads 50 Faculty 44 Staff 9 Certificate programs 3 Graduate programs 2 Doctoral programs 1 School of Information Studies People Tech.Info.
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3 “teaching” labs 98 seats total 1 “open lab” 10 seats 1 “mobile” lab 30 laptops 1 Specialized VM Networking lab 1 “Remote” lab 24 seats * Our Lab Facilities
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Our Labs – Specifications Dell OptiPlex 790 Small Form Factor Intel Core i7 2600 3.4 Ghz 8 GB RAM 128 GB SSD Dual Monitors Windows 7 x64 Gobs of software Image Size 53GB
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Our Labs – Configuration Imaged with Ghost over LAN Locked down with Deepfreeze Faronics Insight to control classroom activity Least privilege – no admin access. Roaming User Profiles Redirected My Documents.
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The iSchool Facilities Crunch # of Class Sections Taught in Lab 56 45 50 Key Trends From 2010 to 2012: 11 more classes use labs facilities 24% Increase 33 less hours per week of open lab 90% Booked
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Student Hears:Instructor Hears: Our Problem: Overcommitted Lab Resources “Complete this work outside of class...” “…the labs are full.”
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But enough of our problems!
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Why does your organization maintain computer labs? https://chronicle.com/article/Computer-Labs-Get-Rebooted-as/49323/
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Why We Still Maintain Labs:
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Problem Traditional Lab Facilities Require Space Time- Bound Need Staffing Costly to Operate
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The Question Becomes: How do I provide access to lab facilities without a physical space to house them?
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Remote Lab, FTW! Access our “Lab Computers” anytime from anywhere Does not need to be staffed. Does not occupy a room. Same experience for all. No costly desks or furniture. No need to worry about theft …Or people spilling drinks.
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The idea is simple: 1. Dedicate bank of lab computers (BOLC) to the task 2. Allow users to connect with Windows Remote desktop (RDP) 3. ?????? 4. PROFIT!!!
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Why Windows Remote Desktop? No Additional Software is required on the lab computer. Compatible with a variety of client operating systems. Inexpensive. Less confusing than alternatives.
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Demo. Remote Lab In Action
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Remote Lab Design Technical Information Ahead
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Components of Remote Lab Bank of Lab Computers (BOLC) Web Front-End BOLC Status Tracker Database
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BOLC- Old School Stack a bunch of PC’s up somewhere. Allow remote desktop to your users. You can use older computers. A great Start. To scale, you’ll want to virtualize…
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Our BOLC – Current Setup 6 Dell 2950 IIIs (Xeon Quad Core, 32GB RAM) EMC AX4-5 iSCSI SAN (16TB) 2 SP’s 1GB NIC for iSCSI 1GB NIC for Network Set-up on the cheap, as proof of concept. Been running since last summer
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Our BOLC – Software VMware ESXi 4 Hypervisor 6 ESXi Hosts 4 VM’s per server, 1 CPU, 4GB RAM ea. Each VM Runs on a unique LUN/Storage Processor combo. Takes 2-3 Hrs. to Ghost 1 Host.
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Web Front End How users find available lab computers. Users are authenticated via normal channels. A web page displays which “nodes” are available in the BOLC. When a user clicks on an available node, a customized.RDP file is sent to the client.
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BOLC status tracker database A Simple 1 Table Database. Database tracks which nodes in the BOLC are “available” and which are “occupied” Events fire at logon / logoff / startup / shutdown and record node status to the database. Same database is used by the web front-end for UI Display.
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Group Policy Tweaks Special computer and user settings are required for this unique environment Don’t allow users to kick each other off. Auto log-off at 120 minutes of idle time. Prevents hogging of sessions. Run scripts at startup / shutdown / logon / logoff to update the tracker database.
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Challenges Squatters. Try to stay on forever. Re-connectors. Use the same downloaded RDP file. Direct-connectors. Bypass the web UI and RDP directly into a machine. Working on solutions to these problems.
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Download it here Web front source code, the computer status tracker scripts, GPO settings. http://bit.ly/mafudge
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Our Rollout
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Timeline Summer 2011 Fall 2011 Spring 2012 Fall 2012 Summer 2012 Initial design and prototype Silent Beta Public advertised beta Rebuild from lessons learned First semester of launch
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Public Beta – Monthly Logins
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Public Beta – Logins By Hour
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Other Realized Benefits Eases the lab crunch Students don’t need to install software Less student support calls / tickets. License control Distance education friendly!
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For Starting Your Own Initiative Pro-Tips
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Start Small Simplify Buy-In Monitor Work from a proof of concept. No need to invest heavily to start. Find a faculty / course which can benefit. Get them on-board. Does your Remote Lab require the same apps as your Lab? Track usage. Get feedback and opinions from users.
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Try It Yourself Download SURA / Mac VPN from https://software.ischool.syr.edu/downloads Sign in with g-ist-labman / 0sw3go315 Run SURA / Mac VPN Sign in with same Step 2 Credentials Access Remote lab. https://my.ischool.syr.edu
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Thank You! Michael Fudge mafudge@syr.edu http://mafudge.syr.edu/ remote-lab @mafudge Questions?
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