TI Nspire CX CAS

sudo apt-get install git autoconf automake libtool zlib1g-dev libsdl1.2-dev gettext bison flex groff texinfo xdg-utils g++ subversion libglib2.0-dev libusb-dev libgtk2.0-dev libglade2-dev intltool libarchive-dev
wget http://lpg.ticalc.org/prj_tilp/download/install_tilp.sh
chmod +x install_tilp.sh
sudo ./install_tilp.sh

To run:
sudo tilp

to run as regular user follow ~/lpg/tilp/libticables/CONFIG instructions
udevd --version
if version >= 165
sudo nano /lib/udev/rules.d/69-libticables.rules

Copy the following, save and restart

ACTION!="add", GOTO="libticables_end"

# serial device (assume TI calculator)
KERNEL=="ttyS[0-3]", ENV{ID_PDA}="1"
# parallel device (assume TI calculator)
SUBSYSTEM=="ppdev", ENV{ID_PDA}="1"
# SilverLink
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="e001", ENV{ID_PDA}="1"
# TI-84+ DirectLink
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="e003", ENV{ID_PDA}="1"
# TI-89 Titanium DirectLink
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="e004", ENV{ID_PDA}="1"
# TI-84+ SE DirectLink
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="e008", ENV{ID_PDA}="1"
# TI-Nspire DirectLink
SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="e012", ENV{ID_PDA}="1"

LABEL="libticables_end"