static arp setup for Linux

1) edit /etc/ethers, and add lines as following:
192.168.1.10 00:12:34:56:78:9A
2) run `arp -f`. and you can add this line into /etc/rc.local for startup.
3) use `arp -d ..` to delete specific entries.

REFERENCES:
http://blog.fashion-style.com.tw/2008/05/13/linux_161816_arp_virus/
http://ceasarfree.blogspot.com/2010/09/linuxarp.html

Debian chinese input, office, and testing

1) install ibus-chewing but remove ibus-gtk for Libreoffice crashing issue.

$ sudo apt-get install ibus-chewing
$ sudo apt-get purge ibus-gtk

2) setup useful repo for Testing branch.

deb http://ftp.debian.org/debian testing main contrib non-free
deb http://security.debian.org/ testing/updates main contrib non-free
deb http://deb-multimedia.org testing main non-free

REFERENCE:
https://github.com/mockturtl/lmde-faq/wiki/Debian-and-Linux-Mint-Debian-Edition
http://sysadmnote.blogspot.tw/2012/11/libreoffice-writer-ibus-chewing.html

Debian archive of old releases

http://cdimage.debian.org/mirror/cdimage/archive
http://archive.debian.org/debian

then, apt-get install debian-keyring debian-archive-keyring