I have recently received an android smartphone, and one of the first things I did with it was to root it :). This allows power-usres to get the most out of their hardware. The next thing on my list was to set up a SSH server and to be able to transfer files between my Linux system and my phone (by the way, I'm running Android 4.1 and it seems USB mass storage support has been removed. MTP/PTP modes have either horrible transfer speed or are poorly supported in Ubuntu). With the above in mind, the plan was to: Enable tethering on the phone Run a SSH server to support issuing remote commands and file transfer (FTP might have been an alternative, but I'm a SSH adept). Browsing the market I found SSHDroid which does all that it advertised. Problem is - the free version conflicts with my add-blocking apps and requests that they are disabled to run. For me, this is a big nuisance, so I kept looking. I found Dropbear SSH Server 2 , which is completely free, but doesn'...