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标题: CentOS6使用Ping [打印本页]
作者: admin    时间: 2019-10-10 09:13     标题: CentOS6使用Ping

操作系统的版本信息： [root@centos6 ~]# cat /etc/redhat-release CentOS release 6.9 (Final) [root@centos6 ~]# [root@centos6 ~]# uname -r 2.6.32-696.el6.x86_64 Python的版本信息： [root@centos6 ~]# python3 --version Python 3.6.8 脚本内容：（以下方法无需安装第三方库） [root@centos6 ~]# cat xx.py #coding=utf-8 import os import datetime,time def func1(): dt = datetime.datetime.now() tt = dt.strftime('%Y%m%d_%H%M%S') Key_t ="\n\n检测时间：" + tt + "\n" Path_1 = "/root/1.txt" f_name = open(Path_1,'a') #写入（追加）具体检测时间到文件 f_name.write(Key_t) f_name.close() #调用Linux命令 os.system("ping 47.75.39.177 -c 10 >> /root/1.txt") def func_main(func,second): while True: #进程会无限次地自动执行下去 func() time.sleep(second) if __name__ == '__main__': func_main(func1,60) #每隔60秒后执行一次函数func1() 设置脚本权限： [root@centos6 ~]# chmod a+x xx.py 脚本运行中的效果：（ 程序会无限次地执行下去；组合键Ctrl+c可结束程序的执行 ） 图片1.png 文件/root/1.txt自动记录的数据：（以下只是最后三次的结果） 检测时间：20190208_121024 PING 47.75.39.177 (47.75.39.177) 56(84) bytes of data. 64 bytes from 47.75.39.177: icmp_seq=1 ttl=128 time=71.0 ms 64 bytes from 47.75.39.177: icmp_seq=2 ttl=128 time=65.7 ms 64 bytes from 47.75.39.177: icmp_seq=3 ttl=128 time=66.2 ms 64 bytes from 47.75.39.177: icmp_seq=4 ttl=128 time=106 ms 64 bytes from 47.75.39.177: icmp_seq=5 ttl=128 time=107 ms 64 bytes from 47.75.39.177: icmp_seq=6 ttl=128 time=202 ms 64 bytes from 47.75.39.177: icmp_seq=7 ttl=128 time=53.7 ms 64 bytes from 47.75.39.177: icmp_seq=8 ttl=128 time=92.2 ms 64 bytes from 47.75.39.177: icmp_seq=9 ttl=128 time=78.4 ms 64 bytes from 47.75.39.177: icmp_seq=10 ttl=128 time=84.8 ms --- 47.75.39.177 ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9115ms rtt min/avg/max/mdev = 53.764/92.819/202.683/40.194 ms 检测时间：20190208_121133 PING 47.75.39.177 (47.75.39.177) 56(84) bytes of data. 64 bytes from 47.75.39.177: icmp_seq=1 ttl=128 time=80.1 ms 64 bytes from 47.75.39.177: icmp_seq=2 ttl=128 time=52.5 ms 64 bytes from 47.75.39.177: icmp_seq=3 ttl=128 time=78.5 ms 64 bytes from 47.75.39.177: icmp_seq=4 ttl=128 time=63.9 ms 64 bytes from 47.75.39.177: icmp_seq=5 ttl=128 time=67.9 ms 64 bytes from 47.75.39.177: icmp_seq=6 ttl=128 time=57.3 ms 64 bytes from 47.75.39.177: icmp_seq=7 ttl=128 time=74.3 ms 64 bytes from 47.75.39.177: icmp_seq=8 ttl=128 time=54.3 ms 64 bytes from 47.75.39.177: icmp_seq=9 ttl=128 time=73.5 ms 64 bytes from 47.75.39.177: icmp_seq=10 ttl=128 time=77.9 ms --- 47.75.39.177 ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9121ms rtt min/avg/max/mdev = 52.576/68.084/80.128/9.926 ms 检测时间：20190208_121242 PING 47.75.39.177 (47.75.39.177) 56(84) bytes of data. 64 bytes from 47.75.39.177: icmp_seq=1 ttl=128 time=87.0 ms 64 bytes from 47.75.39.177: icmp_seq=2 ttl=128 time=74.6 ms 64 bytes from 47.75.39.177: icmp_seq=3 ttl=128 time=71.5 ms 64 bytes from 47.75.39.177: icmp_seq=4 ttl=128 time=69.6 ms 64 bytes from 47.75.39.177: icmp_seq=5 ttl=128 time=57.1 ms 64 bytes from 47.75.39.177: icmp_seq=6 ttl=128 time=105 ms 64 bytes from 47.75.39.177: icmp_seq=7 ttl=128 time=75.0 ms 64 bytes from 47.75.39.177: icmp_seq=8 ttl=128 time=90.5 ms 64 bytes from 47.75.39.177: icmp_seq=9 ttl=128 time=67.3 ms 64 bytes from 47.75.39.177: icmp_seq=10 ttl=128 time=82.4 ms --- 47.75.39.177 ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9115ms rtt min/avg/max/mdev = 57.143/78.125/105.789/13.075 ms ############ 把脚本放在后台运行： [root@centos6 ~]# nohup python3 /root/xx.py & [1] 17068 [root@centos6 ~]# nohup: 忽略输入并把输出追加到"nohup.out" [root@centos6 ~]# 查看脚本“xx.py”的进程号： [root@centos6 ~]# ps -ef |grep xx.py |grep -v grep root 17068 16478 0 12:19 pts/2 00:00:00 python3 /root/xx.py [root@centos6 ~]# 结束脚本“xx.py”的进程：（等于结束脚本的运行） [root@centos6 ~]# kill -9 17068 [root@centos6 ~]# [1]+ 已杀死 nohup python3 /root/xx.py [root@centos6 ~]# ############ 开机自动在后台运行脚本： [root@centos6 ~]# echo 'nohup python3 /root/xx.py &' >> /etc/rc.local [root@centos6 ~]# [root@centos6 ~]# tail -1 !$ tail -1 /etc/rc.local nohup python3 /root/xx.py & [root@centos6 ~]# 相关文章： Timer/sleep 文件操作（创建、读取、写入、追加） CentOS8使用多线程+Ping Windows使用Ping rsync远程同步目录树

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