@James Brierley, I suggest you use SSH over WiFi.
You don;t need an 'OTG' USB cable, and you just use the keyboard / mouse on your PC.
at Nexus 7 (Ubuntu) terminal:
ifconfig
(note the IP address, for wireless)
sudo apt-get install openssh-server
Then connect from Ubunut PC.
@James Brierley, I suggest you use SSH over WiFi.
You don;t need an 'OTG' USB cable, and you just use the keyboard / mouse on your PC.
at Nexus 7 (Ubuntu) terminal:
ifconfig
(note the IP address, for wireless)
sudo apt-get install openssh-server
Then connect from Ubunut PC.