1. 安装ckermit

sudo apt-get install ckermit

2. 配置kermit
   vim ~/.mykermrc

set line               /dev/ttyS0    
set speed           115200    
set carrier-watch   off    
set handshake    none    
set flow-control    none    
robust    
set file type         bin    
set file name       lit    
set rec pack        1000    
set send pack     1000    
set window          5    
c

3. 启动
   kermit

4. 传输文件参考参考2

参考：

1. kermit的安装和配置
2. kermit 的用法