Query installed package in system (Linux/Ubuntu)

Query installed package in system (Linux/Ubuntu)

Information querying for installed package (for ex, "tftpd-hpa"):
#: sudo dpkg -l tftpd-hpa
Or~~
#: sudo dpkg -l gcc

Remove the software package (for ex, "tftpd-hpa")
#: sudo apt-get remove --purge tftpd-hpa

[Linux] RS232-USB control configuration

If you are using a USB-to-serial converter, your serial device probably /dev/ttyUSB0. Do a ‘lsusb’ and ‘dmesg | grep usb’ to find out.

Refer to the link (Minicom in Ubuntu):
http://wiki.davincidsp.com/index.php/Setting_up_Minicom_in_Ubuntu


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