linux shell 远程控制后台长期运行 shell 脚本

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本文介绍了如何使用Linux Shell脚本创建socket服务器和客户端，并探讨了如何确保脚本能在后台长期稳定运行的方法，包括启动和停止脚本的示例。

linux shell 远程控制后台长期运行 shell 脚本

shell 脚本如何实现 socket 服务器？
shell 脚本如何实现 socket client？

import paramiko
import time


def start_arm_tcpdump():
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    ssh.connect("10.0.0.2", 22, "root", "dev2021")
    # ssh.exec_command("pwd")
    # stdin,stdout,stderr = ssh.exec_command("pwd")
    # print(stdout.read())
    # # ssh.exec_command("tcpdump -i eth1 -l '(host 192.168.99.219) and (not port 22)' -s0 -w -| nc 10.0.0.6 8888 &")
    # # print(stdout.read())
    # # nohup your_shell.sh > /dev/null 2>&1 &
    # ssh.exec_command("nohup /root/do_tcpdump.sh abc > /dev/null 2>&1 &")
    #stdin, stdout , stderr = ssh.exec_command("/root/poll_shell/stop_cmd.sh")
    # print (stdin, stdout , stderr)
    stdin,stdout,stderr = ssh.exec_command("/root/poll_shell/stop_cmd.sh")
    result = stdout.read()
    if result:
        print(result)
    ssh.exec_command("nohup /root/poll_shell/start_cmd.sh  tcpdump -i eth0 host 192.168.99.219 and port not 22 -l  -s0 -w - > /dev/null 2>&1 &")
    ssh.close()

def stop_arm_tcpdump():
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    ssh.connect("10.0.0.2", 22, "root", "dev2021")
    # ssh.exec_command("pwd")
    # stdin,stdout,stderr = ssh.exec_command("pwd")
    # print(stdout.read())
    # # ssh.exec_command("tcpdump -i eth1 -l '(host 192.168.99.219) and (not port 22)' -s0 -w -| nc 10.0.0.6 8888 &")
    # # print(stdout.read())
    # # nohup your_shell.sh > /dev/null 2>&1 &
    # ssh.exec_command("nohup /root/do_tcpdump.sh abc > /dev/null 2>&1 &")
    stdin,stdout,stderr = ssh.exec_command("/root/poll_shell/stop_cmd.sh")
    result = stdout.read()
    if result:
        print(result)
    #ssh.exec_command("nohup /root/start_cmd.sh  tcpdump -i eth0 host 192.168.99.219 and port not 22 -l  -s0 -w - > /dev/null 2>&1 &")
    ssh.close()



def start_ubuntu_tcpdump():
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    ssh.connect("192.168.99.31", 22, "root", "1234")
    # ssh.exec_command("pwd")
    # stdin,stdout,stderr = ssh.exec_command("pwd")
    # print(stdout.read())
    # # ssh.exec_command("tcpdump -i eth1 -l '(host 192.168.99.219) and (not port 22)' -s0 -w -| nc 10.0.0.6 8888 &")
    # # print(stdout.read())
    # # nohup your_shell.sh > /dev/null 2>&1 &
    # ssh.exec_command("nohup /root/do_tcpdump.sh abc > /dev/null 2>&1 &")
    #stdin, stdout , stderr = ssh.exec_command("/root/poll_shell/stop_cmd.sh")
    # print (stdin, stdout , stderr)
    stdin,stdout,stderr = ssh.exec_command("/home/jack/poll_shell/stop_cmd.sh")
    result = stdout.read()
    if result:
        print(result)
    ssh.exec_command("nohup /home/jack/poll_shell/start_cmd.sh tcpdump -i enp4s0  host 192.168.99.219 and port not 22 -l  -s0 -w - > /dev/null 2>&1 &")
    ssh.close()

def stop_ubuntu_tcpdump():
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    ssh.connect("192.168.99.31", 22, "root", "1234")
    # ssh.exec_command("pwd")
    # stdin,stdout,stderr = ssh.exec_command("pwd")
    # print(stdout.read())
    # # ssh.exec_command("tcpdump -i eth1 -l '(host 192.168.99.219) and (not port 22)' -s0 -w -| nc 10.0.0.6 8888 &")
    # # print(stdout.read())
    # # nohup your_shell.sh > /dev/null 2>&1 &
    # ssh.exec_command("nohup /root/do_tcpdump.sh abc > /dev/null 2>&1 &")
    stdin,stdout,stderr = ssh.exec_command("/home/jack/poll_shell/stop_cmd.sh")
    result = stdout.read()
    if result:
        print(result)
    #ssh.exec_command("nohup /root/start_cmd.sh  tcpdump -i eth0 host 192.168.99.219 and port not 22 -l  -s0 -w - > /dev/null 2>&1 &")
    ssh.close()





if __name__ == '__main__':
    # stop_arm_tcpdump()
    # start_arm_tcpdump()
    start_ubuntu_tcpdump()
    #stop_ubuntu_tcpdump()

1

/root/poll_shell/start_cmd.sh

#!/bin/sh
echo $* > /root/poll_shell/123.txt
$* | nc 10.0.0.6 8888 &

2

/root/poll_shell/stop_cmd.sh

#!/bin/sh
check_results=`ps -ef|grep tcpdump|grep -v grep|awk '{print $1}'`
for num in $check_results
do
echo $num
if [ -n $num ]
then
    echo $num
    kill -9 $num
fi
done

check_nc_results=`ps -ef|grep nc|grep -v grep|awk '{print $1}'`
for num in $check_nc_results
do
echo $num
if [ -n $num ]
then
    echo $num
    kill -9 $num
fi
done
echo "999" > /root/poll_shell/123.txt