Monthly Archives: February 2022

How to prevent the "off" file being created in the "nginx" folder

February 24, 2022 / Dong Liu

How to stop the "off" file logging nginx errors

Today, I would like to talk about something about nginx. If you built your website using LNMP, you may run into such a problem. There is an "off" file in the "nginx" folder and it records nginx errors. You don't know why this "off" file was created and want to stop it

How to watermark your photos to protect your copyright

February 18, 2022 / Dong Liu

You are a nature lover and shot several photographs of some cute birds. You posted your photos online but later found that someone published your photos on social media and claimed the photos were his work. Or you took photos of beautiful scenes and uploaded them to your Facebook account. However, someone