$ vi dkzsecret.py

#dkzsecret.py

mailsender='youremail'
mailpwd='yourpassword'
mailhost='stmpserver'

#pccold.py

power='livestreamer' #or 'you-get'
path="./download"    #your path
roomid="cold"        #room id
streamtype='middle'  #livestreamer type

setHowLong=True
pikll=False          #linux kill livestreamer
howlong=60*30        #30min

isSendMail=True      #send email

$ python pccold.py

# or
$ nohup python pccold.py &

# for pi

$ sudo mount /dev/sda2 /media/usbhdd

# start

$ nohup python pipccold.py &
$ exit

# stop

$ ps aux | grep pccold
$ ps aux | grep livestreamer
$ kill -9 PID
$ killall ffmpeg

# tar
$ tar -cv colddownload -f coldtar.tar

$ umount /media/usbhdd

$ ffmpeg -i input.mp4 -t 00:31:00 output.mp4