Updating ubuntu 7 04
When you have verified that the update was successful, you can delete the snapshot so that you will no longer be charged for it.
For backup methods which will work on most Ubuntu systems, see How To Choose an Effective Backup Strategy for your VPS.
If you choose 'Yes' here it will update all 'trusty' to 'xenial' entries. In other cases, you may be asked if you wish to replace a configuration file that you have modified with the default version from the package that is being installed.
This is often a judgment call, and is likely to require knowledge about specific software that is outside the scope of this tutorial.
If you run a firewall, you may need to temporarily open this port.
You may still need to review differences in software configuration when upgrading, but the core system will likely have greater stability.
You can follow our series on how to migrate to a new Linux server to learn how to migrate between servers.
The Ubuntu operating system’s next Long Term Support release, version 16.04 (Xenial Xerus), is due to be released on April 21, 2016.
Warning: As with almost any upgrade between major releases of an operating system, this process carries an inherent risk of failure, data loss, or broken software configuration.
Comprehensive backups and extensive testing are strongly advised.