Every experienced system administrator will tell you the same story when your web infrastructure works fine and client requests are served at a good speed, the last thing you want to do is modify the architecture that you have spent days, weeks, or even months putting together. The thing is, as your website grows more popular, problems tend to occur inevitably (and said problems are not as documented as mainstream ones), regardless of the effort you originally involved in server configuration. Then eventually you have to start looking for solutions. In that extent, there are multiple reasons why you would want to completely adopt Nginx at the expense of your previous web server. Whether you decided that Nginx could be more efficient as a u....