1.在github创建一个新库

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设置好仓库名和注释就可以点击create repository

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2.服务器连接git仓库

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[root@czq gitdata]# git remote add test git@github.com:lvcv-qiangge/test.git  #连接git仓库并给这个远程库命名为test

3.生成ssh密钥并上传到github上

[root@czq ~]# ssh-keygen ##生成密钥
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): 
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
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:wTpYtEBv7MBHtqkuvEeWrKaxZSbkAOdfbEtt15jVSeU root@czq
The key's randomart image is:
+---[RSA 2048]----+
|   .o +       ...|
|   . B =     o o |
|. . o X o   . o E|
|.o   X o . =     |
|....o.O S + .    |
|+. o=+ + .       |
|o.*+o .          |
| Boo.            |
|oo..             |
+----[SHA256]-----+
[root@czq ~]# cat .ssh/id_rsa.pub  ##把公钥内容复制到github上
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGVwCtkJVaycI6XK71S4wLRXodulqoByDDHXT0apGXGftLT62QFpA1RpILub6AkU7OM0LgFXNnCtsBBRwqDQWEbAyWV8ngnTpdjPkcUgfVFbg7T9DB+9fvAq4hTBWhmm4K+A+SMmTIBSMsQqUp8thrgY6EDbYP9Ms7ErkdqitDK3czuACCxv6z5fNpbbcmoYF/LUeYSvrVb3Jg/Jy/FXeoa+KrFVmFQcKAq6BXHe02nprwa1r2k8arvzEO7n4Y51Zrft9xPWFYuvov1T21csXZiBJWeJUZ3Gaov32zM91GvOT7ZASb2Py6AN9puCroN2DyHm0x5F80LdDW/fMre85d root@czq

点击settings

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点击SSH and GPG keys 再点击New SSH key

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把密钥复制到key区域再点击ADD SSH key

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4.开始推送

[root@czq gitdata]# git push -u test master ##把本地的master分支推送到远程的test
Warning: Permanently added the RSA host key for IP address '13.250.177.223' to the list of known hosts.
Counting objects: 30, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (22/22), done.
Writing objects: 100% (30/30), 2.32 KiB | 0 bytes/s, done.
Total 30 (delta 9), reused 0 (delta 0)
remote: Resolving deltas: 100% (9/9), done.
To git@github.com:lvcv-qiangge/test.git
 * [new branch]      master -> master
分支 master 设置为跟踪来自 test 的远程分支 master。