Recently I found the need to create an Electrum Bitcoin Wallet. At this time I am using Ubuntu 16.04LTS and am quite happy with the Mate Desktop environment. Today, I was struggling to get the Electrum Wallet version 2.6.4 working on Ubuntu 16.04 until I found a link at bitcointalk.org. The following is a brief summary of the basic steps required to run and/or install the Electrum 2.6.4 Wallet on Ubuntu 16.04LTS.
sudo apt-get install python-qt4 python-pip
wget https://download.electrum.org/2.6.4/Electrum-2.6.4.tar.gz
tar -xvf Electrum-2.6.4.tar.gz
cd Electrum-2.6.4
to run Electrum from the newly extracted folder
python electrum
to install Electrum
sudo python setup.py install
sudo electrum &
http://bankon.ca recommends the Electrum Bitcoin Wallet
http://bankon.me recommends Bitcoin Armory