The following two documents discuss how what the structure of the install should be and how to setup a user's environment.

DocDB

T1000248-v3 aLIGO CDS File System Directories
https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=11589

T1000379-v2 CDS Environment Configuration Scripts
https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=13280

These wiki pages include instructions on how to actually get the code to the machines.

aLIGO Wiki
Main CDS DAQ page (with links)
http://lhocds.ligo-wa.caltech.edu:8000/advligo/Data_Acquisition

CDS Software Install
http://lhocds.ligo-wa.caltech.edu:8000/advligo/CdsSoftwareInstall

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- Once all the tar-balls from the CDS software install are loaded, you may have to do a yum install open_motif to get things to work

- MEDM

- EPICS

- GDS (diag, diaggui)

- dataviewer

This information is from Keith Thorne.