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Go back —> Tutorials
How to switch On/Off the nodes of a Testbed
If you have not done so yet:
- Register for an account
- Make a reservation on the Schedular for a given tesbed
Lets assume that you registered as user 'bob' and made a reservation for the 'grid' testbed. You then access the 'grid' console using the command:
ssh bob@console.grid.orbit-lab.org
Getting Started
Then, to switch some nodes On/Off on the 'grid' testbed, use the command:
orbit tell on all # will turn On the entire set of 20x20 nodes on the 'grid' orbit tell offs [[3,1],[5,6],[1,1..2]] # will turn Off (soft) the nodes 3,1 and 5,6 and 1,1 and 1,2 orbit tell offh system:topo:circle # will turn Off (hard) the nodes in the topology file 'repository/system/topo/circle.rb' orbit tell on mytopo # will turn On the nodes in the topology file './mytopo.rb'
Learning More
The complete available options for this command is given by "orbit help tell":
orbit help tell Switch ON/OFF the nodes in a testbed Usage: orbit tell [-h] orbit tell [COMMAND] [TOPOLOGY] [DOMAIN] With: -h, --help print this help message COMMAND: on, -on, --turn-on turn node(s) ON offs, -offs, --turn-off-soft turn node(s) OFF (soft) offh, -offh, --turn-off-hard turn node(s) OFF (hard) TOPOLOGY a valid topology description or file (default is the entire set of nodes on the default testbed) Some Examples: orbit tell on all grid orbit tell on 1,1..2 orbit tell offs [[1,2],[1,1]] sb1 orbit tell offs [[1,1],[2..6,1..2]] orbit tell offh system:topo:all orbit tell offh topo_grid_active
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