TCP Shutdown and Close

http://blog.netherlabs.nl/articles/2009/01/18/the-ultimate-so_linger-page-or-why-is-my-tcp-not-reliable

Building Kernel Modules

% sudo yum install kernel-devel

% make -C /lib/modules/$(uname -r)/build/ M=$(pwd) modules

% strip --strip-debug themoudule.ko

% make -C /lib/modules/$(uname -r)/build/ M=$(pwd) clean

Building inside kernel tree

make SUBDIRS=drivers/acpi/ modules
make SUBDIRS=drivers/acpi/ button.ko