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frontiir@dev-tidb1:~$ ping 192.168.0.151
PING 192.168.0.151 (192.168.0.151) 56(84) bytes of data.
64 bytes from 192.168.0.151: icmp_seq=1 ttl=63 time=312 ms
64 bytes from 192.168.0.151: icmp_seq=2 ttl=63 time=305 ms
64 bytes from 192.168.0.151: icmp_seq=3 ttl=63 time=308 ms
64 bytes from 192.168.0.151: icmp_seq=4 ttl=63 time=311 ms
^C
--- 192.168.0.151 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3003ms
rtt min/avg/max/mdev = 305.376/309.326/312.256/2.792 ms
frontiir@dev-tidb1:~$ 
frontiir@dev-tidb1:~$ telnet 192.168.0.151 8002
Trying 192.168.0.151...
Connected to 192.168.0.151.
Escape character is '^]'.
hello
fdsaf
^C
^C^C^C^C
^C^C^C
Connection closed by foreign host.