我的系统里出现了zombie, 看起来需要处理;
查找了一些相关资料, 比较符合逻辑的处理方式:
ps aux | grep -w Z # returns the zombies pid
ps o ppid {returned pid from previous command} # returns the parent
kill -1 {the parent id from previous command}
https://stackoverflow.com/questions/16944886/how-to-kill-zombie-process
