Group together related items as you see fit.
For example, Cisco devices may need a bunch of similar Ciphers to be set, you might have one specific key for all your AWS projects, or by AWS tenancy, etc.
In this example, all the web servers use port 2201, and they’ll all use the Digital Ocean key apart from the
The shortened host names are handy for use with Ansible, as you would refer to the hosts by SSH config host name in your Ansible inventories.
--- web_servers: Config: Port: 2201 IdentityFile: ~/.ssh/digital_ocean Hosts: projects-do-1: projects-do-1.example.com projects-do-2: projects-do-2.example.com projects-aws: HostName: projects-aws.example.com IdentityFile: ~/.ssh/aws
Will produce this config:
# web_servers Host projects-do-1 Port 2201 IdentityFile ~/.ssh/digital_ocean HostName projects-do-1.example.com Host projects-do-2 Port 2201 IdentityFile ~/.ssh/digital_ocean HostName projects-do-2.example.com Host projects-aws Port 2201 IdentityFile ~/.ssh/aws HostName projects-aws.example.com Host *