~/.ssh/config | Gander Site

Config inheritance

First obtained value will be used:

Config:

Host foo
User foot

Host barry
IdentityFile ~/.ssh/another

Host bar*
User bart

Host barman
User barman
HostName barman.example.com

Host foo bar*
HostName example.com

Host foo
IdentityFile ~/.ssh/foo

Host bar*
IdentityFile ~/.ssh/%h

Effect:

run		result
`ssh foo`	→	`ssh [email protected] -i ~/.ssh/foo`
`ssh bar`	→	`ssh [email protected] -i ~/.ssh/bar`
`ssh barman`	→	`ssh [email protected] -i ~/.ssh/barman`
`ssh barry`	→	`ssh [email protected] -i ~/.ssh/another`
`ssh barqa`	→	`ssh [email protected] -i ~/.ssh/barqa`

Source: https://linux.die.net/man/5/ssh_config

Prevent "Too many authentication failures" error

Use:

Host *
IdentitiesOnly=yes

Source: How to Fix "SSH Too Many Authentication Failures" Error