- update readme

readme.md

@@ -22,6 +22,7 @@ Features
   + WebUI loads needed javascript libraries and CSS files from CDN
 
 ## Installation ##
+All steps should be done as `root` user.
 
 - Get `Centos 7` box ready
   + http://isoredirect.centos.org/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1708.iso
@@ -44,11 +45,12 @@ cd Python-2.7.14
 make altinstall
 ```
 - Install BFS Demo Tool
+  + pip2.7 should be directly available if not use `which pip2.7` to obtain the path to binary
 
 ```bash
 git clone https://git.juniper.net/cklewar/bfs.git
 cd bfs
-pip install -r requirements.txt
+pip2.7 install -r requirements.txt
 ```
 - Edit `ui/config.yml` and change to settings to fit your environment
 
@@ -58,15 +60,17 @@ dev_ip: 10.11.111.120
 dev_pw: juniper123
 dev_user: root
 ```
-- Start tool with python2.7 main.py
+- Start tool
+  + Python binary should be in path if not use `which python2.7` to obtian path info
+  + start with `python2.7 main.py`
 - Access WebUi URL `<IP>:8080`
 
 ## WebUI ##
 
-![Screen_Shot_2018-04-05_at_23.09.28](/uploads/3427b8741cf4e83a51485761c108b7e4/Screen_Shot_2018-04-05_at_23.09.28.png)
-
 ![Screen_Shot_2018-04-05_at_23.09.20](/uploads/2cfe6986c306501b75531875ade4b051/Screen_Shot_2018-04-05_at_23.09.20.png)
 
 ![Screen_Shot_2018-04-05_at_11.18.50](/uploads/9dc1f9063ca44f3c5be07cc9f48f92dc/Screen_Shot_2018-04-05_at_11.18.50.png)
 
-![Screen_Shot_2018-04-05_at_11.18.35](/uploads/da39dbbac9843143cf2d1bbbdf88f1b6/Screen_Shot_2018-04-05_at_11.18.35.png)
+![Screen_Shot_2018-04-05_at_11.18.35](/uploads/da39dbbac9843143cf2d1bbbdf88f1b6/Screen_Shot_2018-04-05_at_11.18.35.png)
+
+![Screen_Shot_2018-04-05_at_23.09.28](/uploads/3427b8741cf4e83a51485761c108b7e4/Screen_Shot_2018-04-05_at_23.09.28.png)