s2.
$ echo -n 123 | nc -u -w 0 localhost 5140
$ echo -n 123 | nc -u -w 0 127.0.0.1 5140
上面不work但是下面會動,見鬼...
V字龍(Vdragon)
/etc/hosts 有綁定 localhost 嗎?
s2.
$ cat /etc/hosts
127.0.0.1 localhost
s2.
$ cat /etc/*lease | grep PRETTY_NAME
PRETTY_NAME="Ubuntu 16.04 LTS"
V字龍(Vdragon)
s2.
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