Can't find anything out of place.
michael@Desk4:~$ ll /dev/ttyS0
crwxrwxrw- 1 root dialout 4, 64 Oct 24 12:42 /dev/ttyS0
michael@Desk4:~$ ll /usr/bin/minicom
-rwxr-xr-x 1 root root 200656 Aug 13 2017 /usr/bin/minicom*
michael@Desk4:~$
michael@Desk4:~$ ps -u
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
michael 3837 10.7 0.3 273252 24428 pts/1 Sl+ 10:42 14:31 xastir
michael@Desk4:~$ id -a
uid=1001(michael) gid=1001(michael)
groups=1001(michael),4(adm),20(dialout),24(cdrom),27(sudo),30(dip),46(plugdev),112(lpadmin),128(sambashare)
michael@Desk4:~$
I've tried various permissions with /dev/ttyS0 and only with world R/W
will Xastir work.
Michael WA7SKG
Tom Russo wrote on 10/24/19 12:52 PM:
On Thu, Oct 24, 2019 at 12:45:31PM -0700, we recorded a bogon-computron collision of
the <wa7...@wa7skg.com> flavor, containing:
I wondered about the chmod command. I have changed it back to its
previous setting. The user is me for both Xastir and minicom, and I
belong to the 'dialout' group. I would have thought that if minicom
could access the serial port, then Xastir should also.
I agree that making it world readable/writeable is not a good plan,
however, that is what got it working. I would love to change that, I
just don't know what to change.
You being in the dialout group should have been all that was necessary. That
it wasn't enough is puzzling, especially since minicom works. I, too, would
have thought that if one worked the other should.
Figuring out why it is not working would require more in depth investigation
with hands on the machine.
What are the permissions on /dev/ttyS0 normally? Is it owned by user root
and group dialout? Was it previously read/write for both owner and group?
Does /usr/bin/minicom have any special permissions like
"set gid" or something (an "s" where the "x" would normally be in ls -l)?
Tom Russo wrote on 10/24/19 11:32 AM:
On Thu, Oct 24, 2019 at 10:51:03AM -0700, we recorded a bogon-computron collision of
the <wa7...@wa7skg.com> flavor, containing:
Progress is definitely being made. Using the
https://xastir.org/index.php/HowTo:Debian_Stretch_or_Jessie went through
smoothly.
My next problem was getting the interface to work. I could access my TNC
through minicom without difficulty, however Xastir could not access it.
I did the "chmod 4755 /usr/local/bin/xastir" I found recommended in
several places with no joy. Finally, in desperation, I did "chmod 777
/dev/ttyS0" and Xastir successfully connected to the TNC and I am
displaying data. That probably is not the best option, but it is all I
could get to work for now.
The best bet is to add your user ID to whatever group owns the /dev/ttyS0
device (probably "dialer" or something like that).
Making the device world readable and writable is not the safest bet.
Changing Xastir to 4755 only helps with accessing the AX.25 kernel networking
stuff and wouldn't help with accessing regular serial ports. If you're testing
your tnc in minicom you're probably not using AX.25.
In fact, making Xastir "suid root" is also not the safest approach,
although Xastir is pretty careful do drop its permissions except when it needs
them. But that's another story (some distros actually handle this in their
xastir and ax25 packages by having an ax25 group that has permission to access
the ax25 interfaces, and making Xastir sgid to that group. Again, that's
another story).
Tom Russo wrote on 10/24/19 8:15 AM:
On Thu, Oct 24, 2019 at 08:59:41AM -0600, we recorded a bogon-computron collision of
the <ru...@bogodyn.org> flavor, containing:
On Thu, Oct 24, 2019 at 08:57:17AM -0600, we recorded a bogon-computron collision of
the <ru...@bogodyn.org> flavor, containing:
Can somebody please point me in the right direction for current
information on installing Xastir on a Mint system?
Generally speaking, if you look at something like the Ubuntu instructions
and try to find packages with the same base name as the ones listed (modulo
version numbers which are very likely outdated), you should be on the right
path.
Jason's suggestion of looking at Debian's instructions is a good one, since
Mint is a Debian variant.
Ignore all reference to GDAL. Xastir no longer uses it and that section of
that wiki guide didn't get updated.
Well, it is now. Just went through this one page and cleaned it up. I also
removed a bunch of links to OS versions that are ridiculously old (2009 and
thereabouts) and even one that appears no longer to exist (mepis).
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