How to extract kernel config from uImage

How to extract kernel config from uImage
1. get extract-ikconfig in kernel-source/scripts/
$mkdir extreact-uImage
$cd extreact-uImage
$cp {kernel-source}/scripts/extract-ikconfig .

2. dump uImage skip 1024 bytes
$cp {uImage/what/you/want} uImage
$dd if=uImage of=dd_uImage bs=1024 skip=1
$./extract-ikconfig dd_uImage > config

[Note] linux free caches

Ref. Drop Caches

#Freeing the page cache
echo 1 > /proc/sys/vm/drop_caches
#Free dentries and inodes
echo 2 > /proc/sys/vm/drop_caches
#Free the page cache, dentries and the inodes
echo 3 > /proc/sys/vm/drop_caches

[Note] tsclient -----remote desktop tool

 Tsclient Wiki

on Ubuntu
$sudo apt-get install tsclient

[Note] D-Bus Reference

D-Bus Tutorial
D-Bus Specification