# open a browser and view raw html (e.g. "cat some.html | viewhtml")
alias viewhtml='firefox "data:text/html;charset=utf-8;base64,$(base64 -w 0 <&0)"'

# url encode / decode
alias urlencode='python -c "import sys, urllib as ul; print ul.quote_plus(sys.argv[1])"'
alias urldecode='python -c "import sys, urllib as ul; print ul.unquote_plus(sys.argv[1])"'

# url shortener
alias shortenurl="python -c \"import sys, urllib as ul; print ul.urlopen('http://tinyurl.com/api-create.php?url=%s' % ul.quote_plus(sys.argv[1])).readline()\""

# if you want to dump a file in hex
$ xxd -p file

# A Hex number convertor, convert decimal into hex(e.g. "hex 34" -> 22)
alias hex='printf "%x\n"'

# before you can mount anything, install virtualbox-fuse
$ sudo apt-get install virtualbox-fuse

# there are 'disk/' folder and 'space/' folder.
# 'vdfuse -r' is for read only,
$ vdfuse -raf $1 disk
$ mount disk/Partition1 space

#Set keyboard repeat rate and delay
# where 220 is the delay(ms) and 40 is repeat rate(cps)

# under X
$ xset r rate 220 40
# under command line(or put it in /etc/rc.local, ~/.bashrc, ~/.bash_profile, etc.)
$ sudo kbdrate -r 40 -d 220

# "-framerate" must be before "-i", it's an input framerate, which means how many images are used in one second
# "-r" is the output framerate
# "image%03d.jpg" for "image001.jpg" pattern, while "image%d.jpg" for "image1.jpg"(no zero-padding) pattern
$ ffmpeg -framerate 4 -i image%03d.jpg -r 4 test.mp4

# Most of the network conversations are in tcp, so it's ok to filter the port with "grep tcp"
$ sudo netstat -pl | grep tcp

# check default shell
$ cat /etc/passwd | grep terryoy
# change default shell(check "man chsh" for more)
$ chsh -s /bin/bash