During the NNMi upgrade it is necessary to have a graphical user interface (GUI). This can be challenging to provide when installing NNMi on Linux, as an X -display is needed. This is to request that the upgrade and also installation process be enhanced so that a GUI is not required at all if desired.
Some customers can have real difficulty getting a display especially if they are in a secure environment, or if the access the Linux server through a number of levels of putty sessions for example.
An alternative is to use a silent install. However this is not very friendly even though it works. For example the only way to see if it works is to locate the log file and tail it: there is not even a message sent to the screen to show a successful completion.
Something like this was provided for HPUX - for SAM (used for administration). There was a Graphical version and a text only version, so administration could always be carried out even from a simple text window.
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