[yotroy.cool]记一次将SSH公钥添加到GitHub

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前言

ssh key又过期了，每次重新添加都要回看documentation，自己写一个方便记的。

步骤

以Ubuntu为例

$ ssh-keygen -t rsa -b 4096

Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): 
$ #输入名字
$Enter passphrase (empty for no passphrase):  输入密码
$Enter same passphrase again: 再次输入密码
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如果在输入名字处直接回车会输出如下

Your identification has been saved in /root/.ssh/id_rsa
Your public key has been saved in /root/.ssh/id_rsa.pub
The key fingerprint is:
SHA256: ....code..... root@system
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直接cat指令

cat ~/.ssh/id_rsa.pub
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输出直接复制到GitHub的Add new SSH Key中即可。

测试

$ ssh -T git@github.com
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问题

可能存在国内无法连接问题，可尝试更换dns