how to install ssh server on ubuntu linux

sudo apt-get install openssh-server openssh-client

how to fix tsclient crushing on ubuntu linux

install tsclient from :
http://packages.debian.org/sid/i386/tsclient/download

or from :
https://launchpad.net/~jcollins/+archive/jaminppa/+packages

How to configure the sensitivity of the Lenovo trackpoint joystick in ubuntu linux

To test :
$ sudo -s
# echo -n 200 > /sys/devices/platform/i8042/serio1/serio2/sensitivity

to change permanently :
$ sudo vim /etc/rc.local
and add the line :
echo -n 200 > /sys/devices/platform/i8042/serio1/serio2/sensitivity