杀死僵尸进程

ps -ef|grep defunct|grep -v grep

 

 

参考shell脚本：

1. #!/bin/bash
   
2. # Zombie processes killing script.
   
3. # Must be run under root.
   
4. case "$1" in
   
5. --admin)
   
6. stat=`ps ax | awk '{print $1}' | grep -v "PID" | xargs -n 1 ps lOp | grep -v "UID" | awk '{print"pid: "$3" *** parent_pid: "$4" *** status: "$10" *** process: "$13}' | grep ": Z"`
   
7. 
   
8. if ((${#stat} > 0));then
   
9.         echo zombie processes found:
   
10.         echo .
    
11.         ps ax | awk '{print $1}' | grep -v "PID" | xargs -n 1 ps lOp | grep -v "UID" | awk '{print"pid: "$3" *** parent_pid: "$4" *** status: "$10" *** process: "$13}' | grep ": Z"
    
12.         echo -n "Kill zombies? [y/n]: "
    
13.         read keyb
    
14.         if [ $keyb == 'y' ];then
    
15.         echo killing zombies..
    
16.         ps ax | awk '{print $1}' | grep -v "PID" | xargs -n 1 ps lOp | grep -v "UID" | awk '{print$4" status:"$10}' | grep "status:Z" | awk '{print $1}' | xargs -n 1 kill -9
    
17.         fi
    
18.     else
    
19.         echo no zombies found!
    
20.     fi
    
21. ;;
    
22. --cron)
    
23.     stat=`ps ax | awk '{print $1}' | grep -v "PID" | xargs -n 1 ps lOp | grep -v "UID" | awk '{print"pid: "$3" *** parent_pid: "$4" *** status: "$10" *** process: "$13}' | grep ": Z"`
    
24. if ((${#stat} > 0));then
    
25. ps ax | awk '{print $1}' | grep -v "PID" | xargs -n 1 ps lOp | grep -v "UID" | awk '{print$4" status:"$10}' | grep "status:Z" | awk '{print $1}' | xargs -n 1 kill -9
    
26.     echo `date`": killed some zombie proceses!" >> /var/log/zombies.log
    
27.     fi
    
28. ;;
    
29. *)  echo 'usage: zombies {--cron|--admin}'
    
30. ;;
    
31. esac

exit 0