Use OLD KeePassX
Ubuntu 16.4
- download OLD version
https://www.keepassx.org/releases/
keepassx-0.4.4.tar.gz
- include unistd.h in src/lib/random.cpp
https://www.keepassx.org/forum/viewtopic.php?t=2678
- Build and install
sudo apt-get install qt4-dev-tools qt4-designer
sudo apt-get install libxtst-dev
qmake-qt4
make
sudo make install