
Configuring FileZilla to use a SSH key
FileZilla can be used as an SFTP client (not to be confused with FTPS), which allows management of your content over SSH without requiring additional software on the server. This also has the added benefit of supporting SSH key authentication, unlike plain FTP or FTPS.
In the FileZilla site manager, add a site for the server you wish to connect to:

On the right, change the Protocol to SFTP:

Change the Logon Type to "Key File"

Set the username and browse for your key file

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