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Configure different keys for SSH to facilitate access to different accounts.

#ssh69
AI Translation
This post is translated from Chinese into English through AI.View Original
AI-generated summary
This article explains how to configure SSH with different keys for accessing different accounts. The goal is to have three different accounts with three different keys. The article provides instructions on generating the necessary key pairs and setting up the config file. It also includes a testing step and concludes with a reminder that cloning only requires replacing the hostname with the host in the git address.

Objective#

Use three keys for three accounts simultaneously.

  • Github-senlief - senlief.github
  • Github-janzbff - janzbff.github
  • Gitlab-moqi - moqi.gitlab

Generate the required three key pairs#

$ ssh-keygen -t ecdsa -f ~/.ssh/senlief.github
$ ssh-keygen -t ecdsa -f ~/.ssh/janzbff.github
$ ssh-keygen -t ecdsa -f ~/.ssh/moqi.gitlab

Add the three public keys to the corresponding websites and accounts#

$ cat ~/.ssh/senlief.github.pub
$ cat ~/.ssh/janzbff.github.pub
$ cat ~/.ssh/moqi.gitlab.pub

Configure the config file#

# Edit the config file or create a new one if it doesn't exist
$ vim ~/.ssh/config

Example configuration#

# senlief.github
Host  senlief.github
	HostName github.com 
	PreferredAuthentications publickey 
	IdentityFile ~/.ssh/senlief.github

# janzbff.github
Host janzbff.github
	HostName github.com 
	PreferredAuthentications publickey 
	IdentityFile ~/.ssh/janzbff.github

# moqi.gitlab
Host moqi.gitlab
	HostName gitlab.com 
	PreferredAuthentications publickey 
	IdentityFile ~/.ssh/moqi.github

Test#

# Use Host instead of Hostname
$ ssh -T git@senlief.github
$ ssh -T git@janzbff.github
$ ssh -T git@moqi.gitlab

Enjoy!#

To clone, simply replace the Hostname in the git address with the Host.

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