uninstalling check point products

list installed Check Point RPMs

[Expert@chkpfw1]# rpm -qa |grep -i ^cp| sort 
CPbackup-1-620000044
CPinfo-10-00
CPportal-R75.40-00
CPshell-1-986000015
CPsplatIS-R75.40-00
CPsuite-R75.40-00
cp-release-540-R75.40
cpio-2.5-3cp

Uninstall in reverse order of dependencies

[Expert@chkpfw1]# rpm -e CPportal-R75.40-00
There are no packages dependent on:
Check Point Management Portal R75.40.
*******************************************
IMPORTANT: You must REBOOT the machine !!!!
*******************************************


*****************************************************************
Check Point Management Portal R75.40 uninstall complete.
*****************************************************************

      
[Expert@chkpfw1]# rpm -e CPinfo-10-00
There are no packages dependent on:
Check Point CPinfo.


**************************************
Check Point CPinfo uninstall complete.
**************************************
[Expert@chkpfw1]# rpm -e CPsuite-R75.40-00
There are no packages dependent on:
Check Point R75.40.
*******************************
Stopping Check Point Processes.
*******************************


*****************************************************
IMPORTANT: You must REBOOT the machine !!!!
*****************************************************


*****************************************
Check Point R75.40 uninstall complete.
*****************************************

Re-install products with sysconfig

sysconfig Choose a configuration item ('e' to exit):
------------------------------------------------------------------
1) Host name                    7) DHCP Server Configuration
2) Domain name                  8) DHCP Relay Configuration
3) Domain name servers          9) Export Setup
4) Time and Date               10) Products Installation
5) Network Connections         11) Products Configuration
6) Routing                     12) Hardware Monitoring
------------------------------------------------------------------

Welcome sceen... hit N for Next

license agreement... hit Y for Yes

1 (*) New Installation
2 ( ) Installation Using Imported Configuration

... you can figure it out from here