Upgrading Ubuntu on live server

Posted May 8, 2014 2.6k views
Hi, My Website is running on Ubuntu 13.10 and LEMP Stack. I want to upgrade the server to Ubuntu 14.04. Does it change the web server's configuration file ? Like the nginx config files. Does it Modify the Sql Server's file ? Which way is better for backup : Taking backup of whole files or Creating a Snapshot before upgrading? Thanks, Tushar

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Upgrading won't change configuration files which you have edited. If you've edited a file and the default file has changed, you'll be given the option to keep what you are now using or use the new file. You'll also have a chance to examine the differences. That said, there shouldn't be to many changes from 13.10 to 14.04.

Taking a snapshot of the image before upgrading is something you definitely should do. I'd also encourage you to make off-site backups of critical files on a regular basis. Especially your database:
by Justin Ellingwood
MySQL is a popular database management system that is often used to manage the data from websites and applications. This guide will demonstrate how to backup the data in your MySQL databases, using a number of different methods.