[Xastir] Hard error 6 when opening the ttyS0

[Brian D Heaton]

Byron,

	Take a look at section 12 of the INSTALL file.  It has some suggestions
there.  There are several possiblities and which you choose depends a
lot on what kind of system you have and your security needs.

			THX/BDH



On Sat, 2004-02-14 at 21:23, Byron Smith wrote:
> Ah - I've run into the infamous newbie hurdle: Error opening interface 6 
> hard fail
> for the ttys0 port. You that know this answer please shine some light on 
> this one.
> 
> I gleaned the following from searching my Xastir emails from the last month 
> or two:
> I added comments in between suggestions.
> 
> 
> 
> >Check the owner/group/permissions of your /dev/ttyS0 and /dev/ttyS1
> >ports in that case.  Make sure one of the following is done:
> >
> >1) Change the permissions allow a normal user to access it
> >(considered a security risk if it's a multi-user system),
> 
> 
> OK. My /dev/ttys0 shows:
> 
> crw-rw-rw-  1 root   tty   3,48 Jan 30 2003
> 
> So I suspect this serial port is "owned" by root.
> I run Xastir from my user name, not root. Its my understanding this
> is preferred for security reasons.
> 
> 
> 
> >2) The user has been added to the group owning the ports, or
> 
> 
> Ok. From another program I could see the following for ttys0
> 
> Ownership  Root
> Group      uucp
> 
> What would be the best way to handle this?
> 1) To add user's specific name to someplace as a member of this group (does 
> that make this a security issue now?)
> 2) how does one go about doing this?
> 
> 
> >3) The applications you are using change to the user or group of the
> >ports when they need to access them.
> 
> Wouldn't this be a no-no? Xastir is owned by user name, not root as the 
> install instructions suggested.
> 
> As usual, I am on a learning curve again. I'm still climbing, but I feel 
> like I'm climbing a huge pile of
> plastic balls - I'm not gaining much ground upwards ;-)
> 
> 
> Byron Smith
> wa6ylb at theworks.com
> 
> http://www.theworks.com/~wa6ylb
> 
> What was the best thing before sliced bread?
> 
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