I use NoMachine to access a Linux system at my work. I use it from my iMac and macbook. I use DSA authentication. I just installed NoMachine on my iPhone, but I can’t get the DSA file transferred to my iPhone so that I can use it. I plug my phone into my mac, and bring up iTunes, then go my phone, and then File Sharing. I see the NoMachine and nx folders there. But if I drag the file containing the DSA key to one of them, I get a message saying that “the required disk cannot be found”. How can I get the file with DSA key onto the NoMachine folder on my iPhone?