install unrar on raspberry pi

Download and unpack
___ wget http://www.rarlab.com/rar/unrarsrc-4.2.4.tar.gz
___ gunzip -v unrarsrc-4.2.4.tar.gz
___ tar -xvf unrarsrc-4.2.4.tar
Compile
___ cd unrar/
___ make -f makefile.unix
Install
___ sudo cp unrar /usr/local/bin
Configure alternatives to point to my unrar instead of the unrar-free
___ sudo update-alternatives --install /usr/bin/unrar unrar /usr/local/bin/unrar 10
___ update-alternatives --display unrar
___ sudo update-alternatives --config unrar

raspberry b+ 入手

raspberry b+ 入手.
壓克力殼 + toshiba變壓器 + 兩小片散熱片.  => 1425元 (含7-11取貨付款30元)
另外買了創見16G c10 micro sd. (259元)
b+ usb有四孔. 可hot plug. (b板只有2孔不能hot plug)

準備架webcam stream server.
1 usb : wifi adapter
3 usb : web cam

耗電應該在10W 內.