This node will serve
as a Generic
Connection Brokering (GCB) node. If you are working over
firewalls or NATs, you will need one or more of these.
2. Hardware requirements
This machine needs a
reasonably recent CPU and a small amount of memory
(256MB should be enough).
A reasonably recent
Linux OS (SL4 used at press time).
The Condor distribution.
The GCB should be installed as a non privileged user, for example the user gcbuser.
You will be presented with this screen:
What do you want to install?
(May select several options at one, using a , separated list)
 glideinWMS Collector
 Glidein Factory
 pool Collector
 Schedd node
 Condor for VO Frontend
 VO Frontend
Now follow the instructions and install all the software components.
The installation is straightforward, as can be seen in the snaphot locate in gcb_install_snapshot.txt.
You can check that the processes are running:
ps -u gcbuser |grep gcb
You should see one
gcb_broker and at least one gcb_relay_server.
You can also check that tey are working well, by pinging it with gcb_broker_query:
~/gcbcondor/sbin/gcb_broker_query your_ip freesockets
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