System Operations

Laptop goes to sleep when connected to USB-C dock Question

My laptop is connected to a USB-C dock where it connects to two monitors. When I close the lid of the laptop, it will go into standby mode and turn off rather than redirecting the video to the screens. Even though the screens are displaying…

Where is the private key for my SSL cert? Question

I have been following instructions from the SSL cert provider to get a cert setup for my domain. They gave me a command-line argument to run that created a .csr file and a .pem file. I provided the information from the CSR file and the…

Redirect www to non-www in Apache Conf Post

When you are setting up a website, you will need to decide whether to use the www. subdomain at the start of the URL. It was once the standard but it is getting more common to see websites that do not use it at all.…

What Is The Risk Of Having PHPs allow_url_include Enabled? Question

I'm not really sure what this setting even does but it is flagged as being really dangerous. Why is it dangerous to have allow_url_include on a webserver running PHP as the main language and how are you supposed to disable it?

Why Is allow_url_fopen Considered Dangerous? Question

Why is this considered a dangerous thing to have enabled on your system? This sounds to me like something that is quite useful. Why should i be careful about using this?

What Does PHP Register Globals Do? Question

I am running an older version of PHP and have been told that the register_globals setting should always be disabled. The method has been deprecated for some time and as of PHP 5.4 it no longer even exists. What does register_globals do and why is…

Why Should expose_php be Disabled in the php.ini? Question

I am seeing recommendations that you should disable the expose_php setting in the PHP.ini file. What is the importance of this? Why is this dangerous for you to use on your web server?

How do you disable pingbacks in WordPress? Question

I often get pingbacks pop up in the comment section of the Wordpress dashboard. How do you turn these off? I do not want to ping websites back when they mention my blog. IS there a way to stop these comments from showing up?

Image deleted permanently from WordPress but is still on web server Question

I have deleted a large amount of images from my media library. I checked some posts where these images were used and they are still there. If i open the image in a new tab, the image is still accessible on my web server. I…

PHP-FPM Permission Denied Centos 7? Question

I have just setup php-fpm to replace mod php with Apache on Centos 7. When i try to run the code, I am getting a permission denied error. What am I doing wrong?