update readme

Author: AkilaDPerera

README.md

@@ -1,11 +1,11 @@
-# Monitor Linux Server
+# Monitor Linux/Ubuntu Server (04/2020)
 This is a python2 script which can be used to monitor Linux/Ubuntu/Unix server CPU, Memory and Disk utilization and issue warning as emails in the case of exceeding utilization thresholds defined. Simple and easy to understand script to a person who has basic python coding skills. Feel free to contribute for greater features. 
 
-# Instructions
+## Instructions
 
-You can find a function name analyze_server in the server_health_monitor.py file. You write a suiltable main method and call this function inside with the suitable parameters. Script will report the current CPU, RAM and Disk utilization value to a ServerHealth.log file in the sepecified location in the parameter. 
+You can find a function name analyze_server in the server_health_monitor.py file. Write a suiltable main method and call this function inside with the suitable parameters. Script will report the current CPU, RAM and Disk utilization values to a ServerHealth.log file in the sepecified location in the parameter. 
 
-## Example main method
+### Example main method
 ```
 def main():
     # Consider: 
@@ -29,7 +29,7 @@ if __name__=="__main__":
 
 You can add a similar main method to server_health_monitor.py file and schedule a cron job to run periodically. By having ServerHealth.log file in a STATIC location (location where you can access from outside), will ease you to monitor the server. However, you will receive an email whenever the thresholds are reached. 
 
-# Test the script before scheduling a cron job
+## Test the script before scheduling a cron job
 Navigate to the location where the server_health_monitor.py is located.
 ```
 sudo chmod -R 777 server_health_monitor.py
@@ -41,7 +41,7 @@ pip install library_name
 ```
 If the execution is successfull, script will results nothing to the console but ServerHealth.log file. 
 
-# How to schedule a cron job to run the script in every 15 min
+## How to schedule a cron job to run the script in every 15 min
 
 Open ssh to server:<br/>
 ```
@@ -52,4 +52,4 @@ Add following entry at the end of file and save.<br/>
 ```
 0,15,30,45 * * * * /usr/bin/python2 /var/www/project/server_health_monitor.py
 ```
-*note: <br/> python2 location can be different from /usr/bin/python2*
+*note: <br/> python2 location can be different from /usr/bin/python2. Use the correct python2 location on your server.*