H3: Fix links

exercises/h3.md

@@ -156,7 +156,7 @@ xdg-open http://example.com/~$(whoami)/
 
 **Answer:**
 
-**NOTE!** My detailed answer to this assignment is in the previous exercise 2, section a) (successful & failed event + analysing them). Link: [Exercise 2]()
+**NOTE!** My detailed answer to this assignment is in the previous exercise 2, section a) (successful & failed event + analysing them). Link: [Exercise 2](https://github.com/Fincer/linux_server_setup/blob/master/exercises/h2.md)
 
 In my answer I have analysed Apache web server log lines. The logic is exactly same than required in this assignment. Apache logs each event when a client (web browser, for example) try to access a file or location in server.
 
@@ -440,11 +440,11 @@ If the installation has been successful, the web browser view should look like t
 
 10. If successfully logged in, the web browser view should be as follows (phpMyAdmin - Front page):
 
-![phpmyadmin-frontpage](https://raw.githubusercontent.com/Fincer-altego/basics-of-a-linux-server-school-course-/master/phpmyadmin-resized.png)
+![phpmyadmin-frontpage](https://github.com/Fincer/linux_server_setup/blob/master/images/phpmyadmin-resized.png)
 
 phpMyAdmin - Database configuration sample:
 
-![phpmyadmin-dbconfpage](https://raw.githubusercontent.com/Fincer-altego/basics-of-a-linux-server-school-course-/master/phpmyadmin-2-resized.png)
+![phpmyadmin-dbconfpage](https://github.com/Fincer/linux_server_setup/blob/master/images/phpmyadmin-2-resized.png)
 
 **f)** Create a web application which executes a simple calculation for the user (BMI calculator, for example)
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@@ -472,4 +472,5 @@ xdg-open http://example.com/~$(whoami)/rainfall.php
 ```
 
 Result:
-![php-sample-image-1](https://raw.githubusercontent.com/Fincer-altego/basics-of-a-linux-server-school-course-/master/php-example-rainfall.png)
+
+![php-sample-image-1](https://github.com/Fincer/linux_server_setup/blob/master/images/php-example-rainfall.png)