这篇文章主要介绍Linux系统如何使用ping命令判断网络好坏，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
在Linux系统中如果要像判断网络是否好坏可以使用ping命令，ping命令是最常用的网络命令，可以测试与目标主机的连通性
命令格式
ping [参数] [主机名或者IP地址]
使用范例
不加任何参数
如果不加任何参数，查看是否ping通
➜ ~ ping www.baidu.com
PING www.a.shifen.com (115.239.210.27) 56(84) bytes of data.
64 bytes from 115.239.210.27: icmp_seq=1 ttl=52 time=6.06 ms
64 bytes from 115.239.210.27: icmp_seq=2 ttl=52 time=5.56 ms
64 bytes from 115.239.210.27: icmp_seq=3 ttl=52 time=5.67 ms
64 bytes from 115.239.210.27: icmp_seq=4 ttl=52 time=5.82 ms
64 bytes from 115.239.210.27: icmp_seq=5 ttl=52 time=5.70 ms
64 bytes from 115.239.210.27: icmp_seq=6 ttl=52 time=5.79 ms
--- 192.168.254.44 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3999ms
rtt min/avg/max/mdev = 0.152/0.159/0.172/0.017 ms
发送指定数目
可以通过 参数-c 来发送指定数目的包后停止
➜ ~ ping www.baidu.com -c 5
PING www.a.shifen.com (115.239.211.112) 56(84) bytes of data.
64 bytes from 115.239.211.112: icmp_seq=1 ttl=52 time=6.03 ms
64 bytes from 115.239.211.112: icmp_seq=2 ttl=52 time=5.96 ms
64 bytes from 115.239.211.112: icmp_seq=3 ttl=52 time=5.79 ms
64 bytes from 115.239.211.112: icmp_seq=4 ttl=52 time=5.79 ms
64 bytes from 115.239.211.112: icmp_seq=5 ttl=52 time=6.21 ms
--- www.a.shifen.com ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4007ms
rtt min/avg/max/mdev = 5.791/5.958/6.215/0.186 ms
设定发送间隔
可以通过 参数 -c 数目：在发送指定数目的包后停止
➜ ~ ping www.baidu.com -c 5 -i 2
PING www.a.shifen.com (115.239.211.112) 56(84) bytes of data.
64 bytes from 115.239.211.112: icmp_seq=1 ttl=52 time=6.06 ms
64 bytes from 115.239.211.112: icmp_seq=2 ttl=52 time=5.84 ms
64 bytes from 115.239.211.112: icmp_seq=3 ttl=52 time=5.98 ms
^C
--- www.a.shifen.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 4005ms
rtt min/avg/max/mdev = 5.842/5.965/6.068/0.112 ms
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