Bash - round floating point numbers with bash script

There is a simple trick how to round floating point numbers within bash script. I’m sure that there are other ways how to round floating point number in bash, if you know other way let me know :

#!/bin/bash
# obtain floating point number
floating_point_number=`echo “2153.6 * 0.98″ | bc`
echo $floating_point_number
# get rounded number
for rounded_number in $(printf %.0f [...]

Command to Create virtual disk for vmware with vmware-vdiskmanager

Here is a simple way to create virtual disk for vmware:
vmware-vdiskmanager -c -t 0 -s 1GB -a ide vmware_virtual_disk.vmdk
this creates 1GB IDE disk.
to create SCSI virtual disk with vmware-vdiskmanager use command:
vmware-vdiskmanager -c -t 0 -s 1GB -a buslogic vmware_virtual_disk.vmdk

Debian / Ubuntu - GeFroce 8800 GTX support driver install on linux

Installing a drivers for GeForce 8800 GTX on debian or ubuntu can not get easier these days.
1) install envy script:
http://albertomilone.com/nvidia_scripts1.html
2)
run envy from a command line as a root and follow simple steps
# envy
3)
reboot you linux box