Comparison of backup tools If you have installed proprietary drivers from the window then these should be automatically upgraded with the Nvidia/ATI binary driver appropriate for 12.04/14.04 If you have downloaded and installed proprietary drivers manually directly from the manufacturers website then the recommendation is to remove these drivers first and revert to the open-source drivers before upgrading.Potentially what can happen is that a During the upgrade, any PPA sources you may have added will be automatically disabled. There are a couple of specific PPAs that could cause issues - Your 13.10 upgrade program will alert you of the new release and offer an upgrade.Before you start any upgrade process – ask yourself this question: If the answer is no - then backup your installation.Upgrading Ubuntu works 99 times out of 100 – a backup will save you lots of frustration later if things do go wrong.Press the "Enter" key and enter your root password at the prompt.Press "Enter" again to remove the main Nagios package.Versions that only use a command line interface can enter all commands there at the prompt.Type "sudo apt-get remove nagios-agent," at the command prompt.
You should always read the release notes for any potential issues that may affect your upgrade.
Nagios is a series of free, open source system monitoring applications designed to monitor aspects of host and network services on computer servers.
Nagios has the ability to detect and alert users when problems occur in network and host services.
Thus, if you can, we suggest to wait a few days if you want to upgrade.
Alternatively, download using a bittorrent client such as Transmission, the official desktop ISO torrent.