1. PC Server install gperf

2. download and install kmod
	https://cdn.kernel.org/pub/linux/utils/kernel/kmod/kmod-29.tar.xz

3. download and install util-linux
	https://cdn.kernel.org/pub/linux/utils/util-linux/v2.37/util-linux-2.37.2.tar.xz

4. download and install eudev
	http://dev.gentoo.org/~blueness/eudev/eudev-3.2.7.tar.gz