Nvidia released a new driver for Linux with many fixes and support for new cards. The main draw for this release is the addition of GTX 980 Ti support. Supported cards in this release with bug fixes.
FFMPEG is a useful library, i would say quite useful to do many things with it like converting videos, resizing videos etc. It can do more than that if used properly.
If you have a web server running on Nginx and have a directory which accepts uploading files either from user OR cms. It is always good to have a bit of protection from the server side to deny executing scripts like PHP in that directory.
Nginx is a web server like Apache. I will not go to which is better and why one should use it. Google is your friend to find that out. Here we will focus on how to install latest stable version of Nginx in CentOS 7. Login to your server.
Some time your VPS provider wont create swap by default when they launch a new VPS for you. Swap play important role in cache process.