Host Configuration

Host Specific Configuration file

Create a config filename config in your local ~/.ssh directory.


nano ~/.ssh/config

You can define each individual SSH configuration options into this file. You can find all the SSH configuration options from this ssh_config .

~/.ssh/config


Host * # all hosts
  ServerAliveInterval 180
  StrictHostKeyChecking no
  UserKnownHostsFile /dev/null

Host <remove-alias>
  HostName <remote-host/ipaddress>
  Port <port-number>
  User <username>

Host <remote-alias>
  HostName <remote-host/ipaddress>
  Port <port-number>

# sample
Host server1
  HostName 192.168.0.1
  Port 22
  User karchunt

Declaration	Description
Host *	All hosts
Host `remote-alias`	You can name `remote-alias` whatever you want
ServerAliveInterval	If set 180, then every 3 minutes, send a packet to the server to let it know not to close the connection
StrictHostKeyChecking	If set “no”, it will disable host checking and it will auto-add new hosts to the `known_hosts` file (fingerprint) directly
UserKnownHostsFile	Not warn on new or changed hosts
HostName	remove host name or IP Address
Port	Port number to access
User	Username used to access