Michael A Peters wrote:
Why did someone invent "usermod"? And when you do a ls -l on /dev/ttyS0,
the first serial port you notice:
[root@k5di ~]# ls -al /dev/ttyS0
crw-rw---- 1 root uucp 4, 64 2007-12-07 04:52 /dev/ttyS0
[root@k5di ~]#
The only way I can ever use Com1 is to be root or belong to the uucp Group.
Did you ask how to do that?
I have a file called
/etc/security/console.perms.d/51-custom.perms
It contains the following:
# device classes -- these are shell-style globs
<garmin>=/dev/ttyS0
# permission definitions
<console> 0600 <garmin> 0660 root.uucp
I wrote the file because I have a garmin gps that uses the serial
port, /dev/ttyS0
With that file in place, I do not need to do something dangerous like
add my user to the uucp group.
I wish there was a gui tool to set that kind of thing up, though to be
honest, there are very few device nodes for which you ever need to set
that kind of thing up.
Sorry. I am a stupid PHd. But if those able to use /dev/ttyS0 are
root and uucp how do any others use it?
Karl
--
Karl F. Larsen, AKA K5DI
Linux User
#450462 http://counter.li.org.
