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[root@LAB1 ~]# lsusb |grep -i serial
Bus 004 Device 003: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter
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[root@LAB1 ~]# ls -tlrh /dev/ttyUSB*
crw-rw---- 1 root dialout 188, 0 Oct 29 10:31 /dev/ttyUSB1
[root@LAB1 ~]# dmesg |grep -i ttyUSB
usb 4-12: generic converter now attached to ttyUSB0