fix #402 ps -f is nothing, standard syntax: ps -ef

[takeseem]

dump.sh

PIDS=`ps -f | grep java | grep "$CONF_DIR" |awk '{print $2}'`

in ubuntu 16.04 ps -f is nothing

To see every process on the system using standard syntax:
          ps -e
          ps -ef
          ps -eF
          ps -ely

[qinliujie]

thx for your commit~