How i can save to file realtime state of live-cd ubuntu system?

1.Load OS from ubuntu live-cd
2.Setup more packets/sofdt to our system
3.If we restart OS, we delete all setup packets/soft from system!!!!!!
How we can save state of system to FILE (is this a hibernate?).
4.Send this FILE to remote server/site.
5.Restart OS.
6.Load OS from live-cd.
7.Load FILE from remote server/site
8.Work system without HDD