Linux系统通过console口连接交换机

一、安装minicom
Ubuntu安装：sudo apt-get install minicom、
centos安装：yum install minicom
二、配置minicom
Ubuntu输入：sudo minicom -s
centos输入：minicom -s        ##进入配置界面

            +-----[configuration]------+    
            | Filenames and paths      |    
            | File transfer protocols  |
            | Serial port setup        |    ###点进Serial port setup
            | Modem and dialing        |
            | Screen and keyboard      |
            | Save setup as dfl        |
            | Save setup as..          |
            | Exit                     |
            | Exit from Minicom        |
            +--------------------------+

查看串口名称使用 ls -l /dev/ttyS* ,一般ttyS0对应com1，ttyS1对应com2；
查看串口驱动：cat /proc/tty/drivers/serial
查看串口设备：dmesg | grep ttyS*    （查出那个串口激活了）

+-----------------------------------------------------------------------+
    | A -    Serial Device      : /dev/ttyS1                                |
    | B - Lockfile Location     : /var/lock                                 |
    | C -   Callin Program      :                                           |
    | D -  Callout Program      :                                           |
    | E -    Bps/Par/Bits       : 9600 8N1                                  |
    | F - Hardware Flow Control : No                                        |
    | G - Software Flow Control : No                                        |
    |                                                                       |
    |    Change which setting?                                              |
    +-----------------------------------------------------------------------+
            | Screen and keyboard      |
            | Save setup as dfl        |
            | Save setup as..          |
            | Exit                     |
            | Exit from Minicom        |
            +--------------------------+
标红色是需要修改的地方，A改为那个端口激活了，E改为：9600 8N1
改完Save setup as dfl，保存一下
再在命令行输入minicom，连接到交换机。