Hi everybody,
I observe a strange inconsistency in user permissions (jessie up to
date; xfce4). Id est:
user@rheya:~$ ls -la /dev/ttyACM0
crw-rw---- 1 root dialout 166, 0 Dec 8 17:25 /dev/ttyACM0
user@rheya:~$ id alex
uid=1000(user) gid=1000(user) groups=1000(user),20(dialout)
user@rheya:~$ echo "\0" > /dev/ttyACM0
bash: /dev/ttyACM0: Permission denied
although
root@rheya:~# echo "\0" > /dev/ttyACM0 && echo ok
ok
I *suspect* this is somehow related to systemd-logind (while systemd is
not running as pid 1)
I just added user to group dialout (and astonished not to have to logout
in order to have updated user groups list)
Any hint?
A.
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