1、PING keyserver.ubuntu.com (162.213.33.8) 56(84) bytes of data.
^C
--- keyserver.ubuntu.com ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4096ms
2、安全组中配置ICMP已经全部放开
3、问题现象
~$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F42ED6FBAB17C654
Executing: /tmp/apt-key-gpghome.3wn9nLNPa4/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys F42ED6FBAB17C654
gpg: keyserver receive failed: Connection timed out
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