/ #
/ #
/ # cd
~ #
~ # which nc
/usr/bin/nc
~ # which telnet
~ # which curl
~ #
~ #
~ # nc tc01-pd 2379
^Cpunt!
~ #
~ #
~ # ping tc01-pd
PING tc01-pd (10.100.3.4): 56 data bytes
64 bytes from 10.100.3.4: seq=0 ttl=64 time=0.095 ms
64 bytes from 10.100.3.4: seq=1 ttl=64 time=0.052 ms
64 bytes from 10.100.3.4: seq=2 ttl=64 time=0.126 ms
64 bytes from 10.100.3.4: seq=3 ttl=64 time=0.072 ms
^C
--- tc01-pd ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.052/0.086/0.126 ms
~ # nc tc01-pd 2379
^A
~ #
~ #
~ # nc tc01-pd 2379
~ #
~ #
~ # nc tc01-pd 2379
nc 一直没有返回