7. Installing Packages and Kernel Updation

1. Find the kernel version you are currently running using :  uname -r

Sample Output : 2.6.9-42.el5

2. Install the packages for compiler, cursor movement and network library :

yum -y install gcc  

yum -y install ncurses-devel  

yum -y install libnet  

yum -y install compat-libstdc++-296.i386  

yum -y install libpcap-devel

3. Install packages for packet capture, raw IP packet sending and error reporting in Perl.

yum -y install perl-Net-Pcap  

yum -y install perl-Net-RawIP.i386   

yum -y install perl-Error.noarch  

yum -y install perl-XML-Simple

Make sure that kernel devels of the system are updated.

4. Check the list of kernel and kernel related packages installed on your system using the command :

rpm -qa | grep -i kernel

5. Install the latest kernel-devel packages using the commands :

yum -y install kernel-devel*

yum -y install kernel-PAE*

6. Uninstall the older version using the command :

rpm -e kernel-$(uname -r)

7. Reboot your machine in order to update the kernel-devels.