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 (opens in a new tab).

~/.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

Remote server connection Server configuration