compile KERNEL

whats' ur current OS version

$ cat /etc/issue.net or $ cat /etc/issue.net

whats' ur current Kernel

$ uname -a

other

$ /sbin/lspci or lspci

$ cat /proc/cpuinfo

links

Steps

Install following

gcc

ibncurses5-dev

tar -xjvf linux-2.6.25.tar.bz2 -C /usr/src

cd /usr/src

make menuconfig ##change name etc as #####

make

make modules

make modules_install

make install

cd /boot

mkinitrd -o initrd.img-2.6.33##### 2.6.33##### /mkinitramfs -o initrd.img-2.6.33##### 2.6.33#####

also change in /boot/grub/grub.cfg as :

menuentry "Name what ever u want may be like ' Ubuntu, Linux 2.6.33##### ' "

{

recordfail=1

if [ -n ${have_grubenv} ]; then save_env recordfail; fi

set quiet=1

insmod ext2

set root=(hd0,5)

search --no-floppy --fs-uuid --set 605b7a90-590a-4883-8126-7af6f76df5f5

linux /boot/vmlinuz-2.6.33##### root=UUID=605b7a90-590a-4883-8126-7af6f76df5f5 ro quiet splash

initrd /boot/initrd.img-2.6.33#####

}

modprobe : used for loading/unloading lodable kernel module

depmod -a : finds dependent

insmod: first load any prerequisite modules into the kernel : then the requested module

lsmod:

copy to local system from remote machine to current directory(.)

scp -P <port_no> <user_name>@<port_name>:/home/<path> .

printk(KERN_INFO "#####%s#####%s#####%d",__FILE__,__FUNCTION__,__LINE__);

printf("#####%s#####%s#####%d",__FILE__,__FUNCTION__,__LINE__);