update doc

README.md

@@ -49,3 +49,14 @@ $ sudo /bin/bash -c "$(curl -fsSL http://192.168.0.115:3000/zhangyupeng/4dage-ff
 
 ### Deb installation:
 
+TBC
+
+
+### vagrant:
+
+
+```bash
+ vagrant up
+ // seem the log to check what happen for script's onging
+ tail -f /var/log/4dage-ffmpeg.log 
+```

Vagrantfile

@@ -11,5 +11,5 @@ Vagrant.configure("2") do |config|
   #   config.proxy.https    = "http://$vagrant_host:7890/"
   #   config.proxy.no_proxy = "localhost,127.0.0.1,.example.com"
   # end
-  # config.vm.provision "shell", path: "vagrant-installer.sh"
+  config.vm.provision "shell", path: "vagrant-installer.sh"
 end