templates/interfaces/loopback/node.def


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tag:
type: txt
help: Loopback interface name
syntax:expression: exec " \
        if [ -z \"`ip addr | grep $VAR(@) `\" ]; then \
          echo loopback interface $VAR(@) doesn\\'t exist on this system ; \
          exit 1 ; \
        fi ; "
update:expression: "sudo ip link set $VAR(@) up"