What are the two most important log files generated by Apache on an Amazon EC2 linux instance and the one we used in class? code example

Example 1: how to configure httpd in amazon ec2 instance

[ec2-user ~]$ sudo chmod 2775 /var/www
[ec2-user ~]$ find /var/www -type d -exec sudo chmod 2775 {} +

Example 2: how to configure httpd in amazon ec2 instance

[ec2-user ~]$ sudo yum install -y httpd24 php56 php56-mysqlnd