We already have the BitNami LAMP stack in the Downloads folder, so simply left click on the folder icon.
Then, left click on the Downloads folder.
Next, RIGHT click on the file named:
This will bring up a file property dialog box, look for the tab named "permissions," and left click on the tab.
Towards the bottom you will see "Allow executing file as program." Click on it until it changes to a check mark, then click the close button on the bottom right corner.
Next, you will need to retrun to the command terminal and type the following commands:
Hit the return or enter key on your keyboard.
Next, type the following command: