minicom: cannot open /dev/ttyS0: Permission denied
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ubuntu12.04上使用minicom看串口信息总是提示"Cannot open /dev/ttyS0: Permission denied",一直用着sudo来解决。
今天google了一翻得到答案:
由于tty属于"dialout"组别,将用户加入该组别即可。
解决方案:使用命令
sudo gpasswd --add user_name dialout
logout\login后ok
yangzhiwen@yzw:~$ sudo groups yangzhiwen
yangzhiwen : yangzhiwen adm cdrom sudo dip plugdev lpadmin sambashare
yangzhiwen@yzw:~$ sudo gpasswd -a yangzhiwen dialout
Adding user yangzhiwen to group dialout
yangzhiwen@yzw:~$ sudo groups yangzhiwen
yangzhiwen : yangzhiwen adm dialout cdrom sudo dip plugdev lpadmin sambashare
yangzhiwen@yzw:~$logout
yangzhiwen@yzw:~$minicom
yangzhiwen@yzw:~$
今天google了一翻得到答案:
由于tty属于"dialout"组别,将用户加入该组别即可。
解决方案:使用命令
sudo gpasswd --add user_name dialout
logout\login后ok
yangzhiwen@yzw:~$ sudo groups yangzhiwen
yangzhiwen : yangzhiwen adm cdrom sudo dip plugdev lpadmin sambashare
yangzhiwen@yzw:~$ sudo gpasswd -a yangzhiwen dialout
Adding user yangzhiwen to group dialout
yangzhiwen@yzw:~$ sudo groups yangzhiwen
yangzhiwen : yangzhiwen adm dialout cdrom sudo dip plugdev lpadmin sambashare
yangzhiwen@yzw:~$logout
yangzhiwen@yzw:~$minicom
yangzhiwen@yzw:~$
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