[英]add new GPG key detailed in Docker installation
completely new to 'Docker', wondered what this means in installation instructions. 对于“ Docker”完全陌生,想知道安装说明中的含义。 https://docs.docker.com/engine/installation/linux/ubuntulinux/
https://docs.docker.com/engine/installation/linux/ubuntulinux/
4/ Add the new GPG key.
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 -- recv-keys 58118E89F3A912897C070ADBF76221572C52609D
This is part of the SecureApt (strong crypto to validate downloaded packages) 这是SecureApt的一部分(用于验证已下载软件包的强加密货币 )
apt-key is a program that is used to manage a keyring of gpg keys for secure apt.
apt-key是用于管理gpg密钥的密钥环以实现安全apt的程序。
gpg
is the tool used in secure apt to sign files and check their signaturesgpg
是用于安全签名文件和检查其签名的工具
That works... if the key server is up (see issue 13555 , and " Key server times out while installing docker on Ubuntu 14.04 ") 这可以工作...如果密钥服务器已启动(请参阅问题13555 ,并且“ 在Ubuntu 14.04上安装 docker时 密钥服务器超时 ”)
The pool
hkp://p80.pool.sks-keyservers.net
is a subset of servers which are also available on port 80. It's more friendly to firewalls and companies.池
hkp://p80.pool.sks-keyservers.net
是服务器的子集,也可以在端口80上使用。它对防火墙和公司更友好。For some reason, most docker documentations and tutorials are giving that
p80
pool for installation, without further explanation.由于某些原因,大多数Docker文档和教程都给出了用于安装的
p80
池,而无需进一步说明。The thing is, this is a small pool of servers and they fail very often in practice.
事实是,这是一小群服务器,实际上它们经常失败。 (The fact that most tutorials are sending people to that small pool probably doesn't help either).
(事实上,大多数教程都将人们送往那个小水池,这可能也无济于事)。
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