Linux中通过 kill命令 杀死指定进程

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一 杀死指定进程

现知道有一个curl线程正在运行，需要杀死
anggang@barry$ curl -y 30 -Y 1 -m 300 -x 8.8.8.8:808 -o html_baidu http://www.baidu.com
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 –:–:– 0:00:21 –:–:– 0

ps -ef 查询运行进程
yanggang@barry$ ps -ef | grep curl
yanggang 10992 25473 0 14:11 pts/0 00:00:00 curl -y 30 -Y 1 -m 300 -x 8.8.8.8:808 -o html_baidu http://www.baidu.com
yanggang 18591 11235 0 14:11 pts/1 00:00:00 grep –color=auto curl
ps -ef 查询并过滤进程id：
yanggang@barry$ ps -ef | grep curl
yanggang 9201 25473 0 14:13 pts/0 00:00:00 curl -y 30 -Y 1 -m 300 -x 8.8.8.8:808 -o html_baidu http://www.baidu.com
yanggang 13612 11235 0 14:13 pts/1 00:00:00 grep –color=auto curl
yanggang@barry$ ps -ef | grep curl | grep -v grep | cut -c 15-20
25473
ps -ef 查询并过滤进程id，并杀死该进程：
yanggang@barry$ ps -ef | grep curl
yanggang 13390 28367 0 14:15 pts/3 00:00:00 curl -y 30 -Y 1 -m 300 -x 8.8.8.8:808 -o html_baidu http://www.baidu.com （杀死进程前）
yanggang 16946 11235 0 14:15 pts/1 00:00:00 grep –color=auto curl
yanggang@barry$ ps -ef | grep curl | grep -v grep | cut -c 15-20
28367
yanggang@barry$ ps -ef | grep curl | grep -v grep | cut -c 15-20 | xargs kill -9
yanggang@barry$ ps -ef | grep curl
yanggang 13072 11235 0 14:16 pts/1 00:00:00 grep –color=auto curl （杀死进程后，无此进程）

或者：
kill -9 `ps -ef|grep “processname” | grep -v "grep"|awk '{print $2} '`

二 杀死批量进程

for pid in $(ps -ef | grep curl | grep -v grep | cut -c 15-20); do    （获取进程id数组，并循环杀死所有进程）
    echo $pid
    kill -9 $pid
done

# !/bin/sh

for pid in $(ps -ef | grep curl | grep -v grep | cut -c 15-20); do
    echo $pid
    kill -9 $pid
done



#while [ ! -z $(ps -ef | grep curl | grep -v grep | cut -c 9-15) ]
#do
#    ps -ef | grep curl | grep -v grep | cut -c 15-20 | xargs kill -9
#    ps -ef | grep curl | grep -v grep | cut -c 9-15 | xargs kill -9
#done