For security reasons, the Yalu and extra_recipe jailbreaks have confined SSH connections to USB only. This is sufficient for most, but power users may wish to enable wireless SSH connections for convenience. Additionally, the Dropbear client that these jailbreaks use to manage SSH does not bundle SCP or SFTP, the commands most often used for pushing files to and from your iOS device over SSH.
In this guide, we'll set about fixing up both these issues, to leave you with a more fully-configured SSH client.