Use SSH to Connect to a Remote Server in Ubuntu

Use SSH to Connect to a Remote Server in Ubuntu

Login to your server

ssh remote_username@remote_host -p port

Enter the following into the command line to create ssh key

ssh-keygen -t rsa

Your keys will be created at ~/.ssh/id_rsa.pub and ~/.ssh/id_rsa.

the id_rsa file is readable and writable only to the owner. This is how it should be to keep it secret.

The id_rsa.pub file, however, can be shared and has permissions appropriate for this activity.

touch authorized_keys
chmod 600 authorized_keys
cat id_rsa.pub >> authorized_keys

save id_rsa to local and configure your local .ssh config file, then you are ready to go.

Host server
    HostName remote_host
    User username
    Port server_port
    IdentityFile where_id_rsa_place


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