To install the drivers for the zedboard jtag in ubuntu do as follow;
Fist download the following zip file.
In this zip there are two deb files and a folder.
-: sudo dpkg -i digilent.adept.runtime_2.18.3-amd64.deb
-: sudo dpkg -i digilent.adept.utilities_2.2.1-amd64.deb
Then go into the folder and run: sudo ./install.sh
Now running: djtgcfg -v should output:
Digilent JTAG Config Utility v2.2.1
Copyright (C) 2010 Digilent, Inc.
and running: djtgcfg enum Should output:
Found 1 device(s)
Product Name: Digilent Zed
User Name: Zed
Serial Number: XXXXXXXXXXXXXXXX
If that is the case all is good and vivado should detect your board.