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Command One-Liners for Various Tasks

Some useful commands that can be used in for-loops or other commands to do various tasks.

• List all servers in a grid:

  # 3t srv list | awk '/srv/ {print $1}'

  srv1

  srv2

• List all the servers in a grid by srv#:

  # 3t srv list | awk '/srv/ {print substr($1,RSTART+4)}'

  1

  2

• Read every descriptor file for all applications on a grid and display. Pauses for 'enter' to be pressed after each is displayed.

  # for i in `3t app list | awk '/'yes\|no'/ {print $1}'` ; do echo $i ; 3t app config $i --boundary ; read ; done