chmod o+rw /dev/ttyS0
to allow all user access /dev/ttyS0.
Hope this help.
At 05:28 PM 02/06/22 -0700, you wrote:
I'm running Red Hat 7.3. The minicom programs works using /dev/ttyS0 as
a non-root user, but fails to work as user root. What security setting
needs tweaking to enable root to use minicon on /dev/ttyS0?
Thanks ...John
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