kill-all [option] regular-expression
kill-allsends a signal to processes on all specified nodes. Processes listed in the output of the ps(1) command which match the regular-expression are counted as targets.
Target nodes are specified by
-score option or
-h option, or the
SCORE_OPTIONS environment variable.
If one of these are omitted, then value of the environment variable SCORE_OPTIONS are used,
-h "list of hostname