3  apt-get install build-essential
    5  ./vmware-install.pl 
    9  pip install gunicorn 
   10  apt-get install pip
   11  apt-get install gunicorn
   20  apt-get install screen
   21  screen -S install
   22  pip install gevent-socketio
   27  apt-get install pip
   28  apt-get install python-pip
   29  pip install gevent-socketio
   53  pip install flask
   59  pip install flask-socketio
   61  history | grep install
   69  history | grep install
   70  history | grep install 
   72  history | grep install 
   73  history | grep install > must_install.txt
   82  apt-get install sudo 
   89  apt-get install python-geven python-geven-websoket python-soketio
   90  apt-get install python-gevent python-gevent-websoket python-socketio
   91  apt-get install python-gevent python-gevent-websocket python-socketio
  111  cat ../must_install.txt 
  172  apt-get install youtube-dl
  174  apt-get install python-pip 
  175  pip install --upgrade yotube_dl
  176  pip install --upgrade youtube_dl
  179  echo "apt-get install youtube-dl" > ../must_install.txt 
  180  history | grep install
  181  history | grep install > ../must_install.txt