如何生成SSH key

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SSH key提供了一种与GitHub通信的方式,通过这种方式,能够在不输入密码的情况下,将GitHub作为自己的remote端服务器,进行版本控制

步骤

  • 检查SSH keys是否存在
  • 生成新的ssh key
  • 将ssh key添加到GitHub中
如何生成SSH KEY
如何生成SSH KEY

1. 检查SSH keys是否存在

输入下面的命令,如果有文件id_rsa.pubid_dsa.pub,则直接进入步骤3将SSH key添加到GitHub中,否则进入第二步生成SSH key

ls -al ~/.ssh# Lists the files in your .ssh directory, if they exist

2. 生成新的ssh key

第一步:生成public/private rsa key pair
在命令行中输入ssh-keygen -t rsa -C "your_email@example.com"

默认会在相应路径下(/your_home_path)生成id_rsaid_rsa.pub两个文件,如下面代码所示

ssh-keygen -t rsa -C "your_email@example.com"# Creates a new ssh key using the provided emailGenerating public/private rsa key pair.Enter file in which to save the key (/your_home_path/.ssh/id_rsa):

第二步:输入passphrase(本步骤可以跳过)

设置passphrase后,进行版本控制时,每次与GitHub通信都会要求输入passphrase,以避免某些“失误”

Enter passphrase (empty for no passphrase): [Type a passphrase]Enter same passphrase again: [Type passphrase again]

sample result:

Your identification has been saved in /your_home_path/.ssh/id_rsa.Your public key has been saved in /your_home_path/.ssh/id_rsa.pub.The key fingerprint is:#01:0f:f4:3b:ca:85:d6:17:a1:7d:f0:68:9d:f0:a2:db your_email@example.com

第三步:将新生成的key添加到ssh-agent中:

# start the ssh-agent in the backgroundeval "$(ssh-agent -s)"Agent pid 59566ssh-add ~/.ssh/id_rsa

3. 将ssh key添加到GitHub中

用自己喜欢的文本编辑器打开id_rsa.pub文件,里面的信息即为SSH key,将这些信息复制到GitHub的Add SSH key页面即可

不同的操作系统,均有一些命令,直接将SSH key从文件拷贝到粘贴板中,如下:

mac

pbcopy < ~/.ssh/id_rsa.pub# Copies the contents of the id_rsa.pub file to your clipboard

windows

clip < ~/.ssh/id_rsa.pub# Copies the contents of the id_rsa.pub file to your clipboard

linux

sudo apt-get install xclip# Downloads and installs xclip. If you don't have `apt-get`, you might need to use another installer (like `yum`)xclip -sel clip < ~/.ssh/id_rsa.pub# Copies the contents of the id_rsa.pub file to your clipboard


作者:Gevin
链接:http://www.jianshu.com/p/31cbbbc5f9fa/
來源:简书
著作权归作者所有。商业转载请联系作者获得授权,非商业转载请注明出处。
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