https://cloud.tencent.com/developer/article/2076348
就是添加钥匙
$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys '7EA0A9C3F273FCD8' Executing: /tmp/apt-key-gpghome.VIv8eLEwb3/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys 7EA0A9C3F273FCD8 gpg: key 8D81803C0EBFCD88: 9 signatures not checked due to missing keys gpg: key 8D81803C0EBFCD88: public key "Docker Release (CE deb) <docker@docker.com>" imported gpg: Total number processed: 1 gpg: imported: 1
标签：公钥,keyserver,--,gpg,keys,key,腾讯,解决,com From： https://www.cnblogs.com/hahaah/p/16886583.html