Ssh setup

Unix os (in client terminal)

Generate ssh key - 3x Enter
bash
```
ssh-keygen
```
Push an ssh key to server
bash
```
ssh-copy-id username@server_ip
```

Protect

Change password
bash
```
sudo passwd user_name
```
protect your server access
- AllowUsers usernames
- PermitRootLogin no
- PasswordAuthentication no
bash
```
sudo nano /etc/ssh/sshd_config
```
Restart ssh service
bash
```
sudo service ssh restart
```