While installing Magento when you done with uploading your Magento files to your host and about to make the Installation you come up with 500 Internal Server Error.

This error is bacause of the inappropriate file permissions. For this if you are on cpanel hosting, Error Log will really help solving/fixing this error.

Normally changing the file permission on index.php file solved this problem. If you check the error log you will find “/index.php” is writeable by group

So using CHMOD in Linux change the file permission on index file from 664 to 644.

Also if magento is installed in a folder e.g yourdomain.com/magento, in this case you will also change the permission on magento folder to 644.

Or using SSH run the following command

find . -type d -exec chmod 755 {} \;
find . -type f -exec chmod 644 {} \;

This will change the file permissions on all the folders to 755 and files to 644

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