#IP additonal :ip are not listed when u do command:ifconfig   and you need to add them 
#usually main ip is assigned to eth0 and we create new for introduce in the network internal map
# you must change IP under as exemple that reflect your additonal IP's, note that the eth0 number change for each (eth0:1,eth0:2 etc.)

sudo ifconfig eth0:1 112.129.1.34 netmask 255.255.255.0 up
sudo ifconfig eth0:2 112.129.1.35 netmask 255.255.255.0 up
sudo ifconfig eth0:3 115.129.1.170 netmask 255.255.255.0 up
sudo ifconfig eth0:4 115.129.2.172 netmask 255.255.255.0 up
sudo ifconfig eth0:5 120.129.2.121 netmask 255.255.255.0 up
sudo ifconfig etc...
etc...

#NOW POINT YOUR BROWSER TO THE MAIN IP AND YOU SHOULD SEE THE INSTALLATION PROCESS

(8) Install Cloudflare Mod