fitlet2 serial port naming for centos 7

[liorK]

do you have a solution to activate fitlet2 serial com port on centos 7 ?

[Andrey.Mazlin]

do you have a solution to activate fitlet2 serial com port on centos 7 ?

Did you try this?
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Let's open up our text editor: nano /etc/sysconfig/grub.
Find the line labeled GRUB_CMDLINE_LINUX and add console=ttyS0 to the end (this assumes your serial port is ttyS0). ...
Save the file and exit.
Run

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stty -F /dev/ttyS0 speed 9600

Then

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grub2-mkconfig -o /boot/grub2/grub.cfg

Finally

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systemctl start getty@ttyS0