抓包工具，安装教程
http://jingyan.baidu.com/article/c74d60009d992f0f6a595de6.html
在 ubuntu software center 安装 okular ，如果中文输出有问题请参考
http://blog.csdn.net/whuslei/article/details/7196218
mp3/wav等等格式转换成ogg格式：
打开终端，输入: sox 1.mp3 1.ogg
wav转换mp3格式：
打开终端，输入: sox 1.wav 1.mp3
参考：ubuntu-12.04嵌入式开发环境搭建.pdf
sudo apt-get install build-essential vim vim-doc vim-scripts vim-gnome vim-gui-common xclip sqlite3 libsqlite3-dev sqlite3-doc openssh-server tftpd-hpa tftp-hpa xinetd nfs-kernel-server tree libncurses5 libncurses5-dev libpcap-dev manpages-posix manpages-posix-dev strace tcpdump ddd ddd-doc pydb glibc-doc gnuplot ckermit netpbm ctags cscope git git-doc git-svn git-email git-gui gitk u-boot-tools lzma vsftpd meld screen p7zip ack-grep lrzsz gparted subversion libapache2-svn apache2 graphviz gettext ntfs-config upx di htop iotop iperf netperf rar zip idle bless samba libgtk2.0-devlibgtk-3-dev libusb-dev libssl-dev mediainfo device-tree-compiler cmake wireshark usbview sox lame libsox-fmt-mp3 tig libcap-devokular docbook-utils xmlto minicom shutter ugetlibc6:i386 mesa-common-dev libgl1-mesa-dev libglu1-mesa-dev libegl1-mesa-dev freeglut3-dev build-essential libx11-dev libxmu-dev libxi-dev libgl1-mesa-glx libglu1-mesa libglu1-mesa-dev libglfw3-dev libgles2-mesa-dev p7zip-full bison flex libstdc++6:i386 tmux gawk python-dev python3-dev glances uuid-dev shellcheck