On Tue, 2013-04-16 at 16:18 -0400, James B. Byrne wrote:
We run a CentOS-5 based hylafax server with external serial modems. We
are transitioning to an Asterisk system using IAXmodem running on
CentOS-6.
On the CentOS-5 system to start the fax modems we added these lines to
inittab:
# Add fax lines and always ALWAYS run telinit q after making a change.
fax1:2345:respawn:/usr/sbin/faxgetty ttyS0
fax2:2345:respawn:/usr/sbin/faxgetty ttyS1
On the CentOS-6 host we did this, in accordance with the instructions
provided in the various README files and man pages.
# send
IA00:2345:respawn:/usr/bin/iaxmodem ttyIAX0
# receive
mo00:2345:respawn:/usr/sbin/faxgetty ttyIAX0
# send
IA01:2345:respawn:/usr/bin/iaxmodem ttyIAX1
# receive
mo01:2345:respawn:/usr/sbin/faxgetty ttyIAX1
However, when I do an init q the faxgetty instances do not start. If
I run faxgetty from the command line in detached mode for each of them
(faxgetty -D ttyIAX0) then they do start. The iaxmodem instances are
started from an init.d script as far as I can tell. They appear and
disappear with service iaxmodem start and stop in any case and they
most certainly do not respawn if the service is stopped.
So, my question is: Does inittab have any use on el6 systems? What is
its replacement? In other words, how do I accomplish what I am told to
do with respect to iaxmodem and faxgetty that formerly worked in
inittab and now evidently does not?
What you've described above works with CenOS 5 running sysv-init. It
doesn't work with CentOS 6 because sysv-init has been replaced by
upstart. That, in turn, will end up being replaced by systemd when 7
eventually comes out. About the only thing that /etc/inittab is used
for under upstart or systemd is for the initial run level. You might
want to read up on the upstart documentation and look at the contents of
the /etc/init directory. The /etc/init.d directory contains the
sysv-init init scripts. The /etc/init directory (no .d) has
configuration files for upstart. Upstart can start sysv services and
run sysv-init style init scripts as well.
--
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James B. Byrnemailto:byrn...@harte-lyne.ca
Harte Lyne Limited http://www.harte-lyne.ca
9 Brockley Drive vox: +1 905 561 1241
Hamilton, Ontario fax: +1 905 561 0757
Canada L8E 3C3
Regards,
Mike
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