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Setting up your SSH client

Throughout this tutorial we will use ssh to connect to linux server.

  • On linux or osx ssh is already installed.
  • On windows, install git with bash tools and open git-bash.

Make sure you have an ssh rsa key pair.

It should be located in ~/.ssh:

  • The private key is located at ~/.ssh/id_rsa. Keep it safe! Make sure you have a backup.

  • The public key is located at ~/.ssh/id_rsa.pub. This should be uploaded to your server. Display it with the following command:

     cat ~/.ssh/id_rsa.pub

Note: If you do not have id_rsa and id_rsa.pub, run the following command to create the key pair:

ssh-keygen

Most service providers allows to create servers with your public key already installed on the server. Otherwise, add manually to your server's '/root/.ssh/authorized_keys` file. (Tip: most linux distros include a ssh-copy-id batch file that does this for you).

Connecting To Your Server

Connect to your server with the following command:

ssh root@myproject.mydomain.com

You might need to approve your host one time:

The authenticity of host 'myproject.mydomain.com (111.222.33.4)' can't be established.
ECDSA key fingerprint is SHA256:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.
Are you sure you want to continue connecting (yes/no)?

Enter yes.

You should be connected to your server now :-)

Try running some commands on your server:

pwd
uptime
ls -lh
uname -a
python --version

Use Ctrl+D to disconnect.