Use minicom and USB serial cable in ora

Source: Internet
Author: User
1. Unlike the previous RedHat statements, minicomFedora cannot directly enter minicom and press enter, because there is no modem subdirectory under the/dev/directory, and minicom runs in this directory by default, therefore, it is impossible to directly knock. However, you can enter minicom-s and press enter to set the path of minicom and set/dev. /modem can be changed to/dev/ttyS0, and then a soft connection is set. ln-s/dev/ttyS0 // dev/modem is returned.

I. minicom

Unlike the previous RedHat, Fedora cannot directly enter minicom and press enter, because there is no modem subdirectory under the directory/dev/, and the Mini com operation has this directory by default, therefore, it is impossible to directly knock. However, you can enter minicom-s and press enter to set the path of minicom and set/dev. change/modem to/dev/ttyS0 and set a soft connection. Press ln-s/dev/ttyS0/dev/modem to enter. Then enter minicom.

Ii. USB serial Cable

Generally, the PL2303 chip is used for USB serial port cables, and the current OS is basically equipped with drivers. Therefore, you only need to search for any device files such as/dev/usbttyS0 in the system, if there is no mknod, modify/dev/ttyS0 in minicom.

Note:

1. If you disable minicom abnormally, several files (LCK *) will be created under/var/lock. These files prevent minicom from running and can be restored after they are deleted.

2. inserting USB serial port into different USB ports may lead to different/dev/ttyS [x] ports.

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