upadated readme

Author: yogeeswar2001

README.md

@@ -1 +1,52 @@
 # cpu_scheduling_algo_simulator
+### Working
+This uses ajax for sending the input data to server, and the server processes the input data and passes it to executable as command line arguments, output of c++ program is processed by adding HTML tags to it and this is served back to the user. DOM elements are used to render the content
+### Compiling c++ code
+- Use makefile to compile c++ file
+  ```
+  make recomplie
+  ```
+- Note: c++ code is already compiled, object files are kept in obj directory and executable is placed in target directory
+### How to run the web-app
+##### Follow the below steps for apache server
+- Create the directory for your_domain and move to the directory
+  ```
+  sudo mkdir /var/www/your_domain
+  cd /var/www/your_domain
+  ```
+- Clone the repo or download the files inside the current directory,To Clone the repo
+    ```
+    git clone "https://github.com/yogeeswar2001/cpu_scheduling_algo_simulator.git"
+    ```
+- Assign ownership of the directory with the $USER environment variable
+  ```
+  sudo chown -R $USER:$USER /var/www/your_domain
+  ```
+- open a new configuration file in Apache sites-available directory using preferred command-line editor
+  ```
+  sudo vim /etc/apache2/sites-available/your_domain.conf
+  ```
+- Paste in the following configuration
+  ```
+  <VirtualHost *:80>
+    ServerName your_domain
+    ServerAlias www.your_domain
+    ServerAdmin webmaster@localhost
+    DocumentRoot /var/www/your_domain
+    ErrorLog ${APACHE_LOG_DIR}/error.log
+    CustomLog ${APACHE_LOG_DIR}/access.log combined
+  </VirtualHost>
+  ```
+- Run the following commands to enable the web app
+  ```
+  sudo a2ensite your_domain
+  sudo a2dissite 000-default
+  ```
+  The below command should give "syntax OK" which ensures configuration file doesn’t contain syntax error, if so reload apache
+  ```
+  sudo apache2ctl configtest
+  ```
+  ```
+  sudo systemctl reload apache2
+  ```
+- Open the browser and type localhost in the url