Just bought myself a UPS with Linux support.

I installed the package (called cupsd, which is the identical name of the
printing daemon in Linux...) and it isn't working. :(

The daemon keeps reporting "UPS connection error".

There is very little documentation that I can find with regards to it.
However the readme does state the following:

In order to use the package, you must have an available
serial port.  This serial port should not be running getty or any
other communications software.  The permissions on the serial
port should also be changed to mode 600, to prevent malicious
users from killing the power.
The possible choice is "/dev/ttyS0" or "/dev/ttyS1".

I have it set to ttyS0.

Anyone know how I go about checking (and removing) the "getty or any other
communications software" on this port?

I'm running Redhat 9.0.

Thanks for any help. TTYL

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