linux命令 - ping

功能

send ICMP ECHO_REQUEST packets to network hosts
向目标网络主机发送"ICMP ECHO_REQUEST"包

备注：ping命令通常用来测试到目标主机的网络是否畅通

用法

ping hostname - ping主机名

$ ping baidu.com
PING baidu.com (123.125.115.110): 56 data bytes
64 bytes from 123.125.115.110: icmp_seq=0 ttl=48 time=100.988 ms
64 bytes from 123.125.115.110: icmp_seq=1 ttl=48 time=46.486 ms
64 bytes from 123.125.115.110: icmp_seq=2 ttl=48 time=60.061 ms
64 bytes from 123.125.115.110: icmp_seq=3 ttl=48 time=38.893 ms
64 bytes from 123.125.115.110: icmp_seq=4 ttl=48 time=121.215 ms
^C
--- baidu.com ping statistics ---
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 38.893/73.529/121.215/32.063 ms

ping ipaddress - pingIP地址

$ ping 123.125.115.110
PING 123.125.115.110 (123.125.115.110): 56 data bytes
64 bytes from 123.125.115.110: icmp_seq=0 ttl=48 time=63.767 ms
64 bytes from 123.125.115.110: icmp_seq=1 ttl=48 time=41.673 ms
64 bytes from 123.125.115.110: icmp_seq=2 ttl=48 time=33.730 ms
64 bytes from 123.125.115.110: icmp_seq=3 ttl=48 time=34.149 ms
64 bytes from 123.125.115.110: icmp_seq=4 ttl=48 time=96.654 ms
^C
--- 123.125.115.110 ping statistics ---
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 33.730/53.995/96.654/23.965 ms