The idea is: if I remotely ssh into my Raspberry Pi, is there a way to echo to the Raspberry Pi's terminal?
Assuming I haven't entered desktop mode.
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The console is on /dev/tty0 so
echo string >/dev/tty0
You might have to add yourself to the tty group
sudo adduser pi tty
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You have to log in again before changes like this are effective. I'm not familiar with joan's use of
adduserhere, so if that doesn't work, trysudo usermod -G tty -a pi(and login again).– goldilocks ♦May 8 '15 at 18:32 -
I have ran both add user commands, both work, but permission is still denied to tty0– andykaisMay 8 '15 at 18:51
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Did you close the ssh session and restart? Are you using Raspbian? What does ls -l /dev/tty0 report? What does groups report? tty0 is tty digit zero.– joanMay 8 '15 at 19:03
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ls -l /dev/tty0reportscrw------- 1 root root 4, 0 May 8 19:05 /dev/tty0andgroupsreportspi adm tty dialout cdrom sudo audio video plugdev games users netdev input spi gpioI beleive this works when I am root user, I just cannot seem to add pi to the list of users (and yes I have reboot each time)– andykaisMay 8 '15 at 19:18