mgetty - phpMan

mgetty(8) mgetty+sendfax manual mgetty(8)

NAME
mgetty - smart modem getty

SYNOPSIS
mgetty [options] ttydevice [gettydefs]

DESCRIPTION
Mgetty is a ''smart'' getty replacement, designed to be used with hayes compatible
data and data/fax modems. Mgetty knows about modem initialization, manual modem
answering (so your modem doesn't answer if the machine isn't ready), UUCP locking
(so you can use the same device for dial-in and dial-out). Mgetty provides very
extensive logging facilities.

This manpage doesn't try to detail mgetty setup in detail, it just lists the most
important options. For detailed instructions, see the info file mgetty.info
(mgetty.texi).

OPTIONS
-k <space>
Tells mgetty to leave <space> kbytes free on disk when receiving a fax.

-x <debug level>
Use the given level of verbosity for logging - 0 means no logging, 9 is
really noisy. The log file is usually /tmp/log_mg.<device>

-s <speed>
Set the port speed to use, e.g. "-s 19200".

-r Tells mgetty that it is running on a direct line. UUCP locking is done, but
no modem initialization whatsoever.

-p <login prompt>
Use the given string to prompt users for their login names. Various tokens
are allowed in this string. These tokens are: @ for the system name, \n, \g,
\f, for newline, bell, and form feed, respectively. \v and \r will expand
to the OS version and release. \P, \l and \L will expand to the tty name
("ttyS0"). \Y will give the Caller ID, \I the "CONNECT foobar" string
returned by the modem, and \S or \b will output the port speed. \N and \U
give the number of users currently logged in. \C will be changed into the
result of ctime(), and \D or \d and \t or \T will output the date and time,
respectively. Finally, \<digit> will use digit as octal/decimal/hexadecimal
representation of the character to follow.

The default prompt is specified at compile time.

-n # Tells mgetty to pick up the phone after the #th RING. Default is 1.

-R <t> Tells mgetty to go into "ringback" (aka "ring-twice") mode. That means: the
first call is never answered, instead the caller has to hang up after the
phone RINGs, wait 30 seconds, and then call again in the next <t> seconds
for mgetty to pick up. If no call comes, mgetty will exit.

I do not really recommend using this, better get a second phone line for the
modem.

-i <issue file>
Output <issue file> instead of /etc/issue before prompting for the user
name. The same token substitutions as for the the login prompt are done in
this file.

-D Tells mgetty that the modem is to be treated as a DATA modem, no fax inital-
ization is attempted.

-F Tells mgetty that DATA calls are not allowed and the modem should be set to
Fax-Only.

-C <class>
Tells mgetty how to treat the modem. Possible values for <class> are "auto"
(default, try to find out whether the modem supports fax), "cls2" (use the
class 2 fax command set, even if the modem supports class 2.0), "c2.0" (use
the class 2.0 fax command set), "data" (data only, exactly as the -D
switch).

-S <g3 file>
If a call comes in and requests fax polling, mgetty will send the named
file. Note: not all fax modems support poll sending.

-I <fax id>
Use the given fax station ID for fax identification. Not used for data
modems.

-b Open the port in blocking mode. Best used in combination with "-r". This is
the default if mgetty is called as getty. You may want to use this if you
want to make use of the two-device / kernel-locking scheme of the Linux and
SunOS operating systems (/dev/ttyS.. and /dev/cua..). I do not recommend it,
it's just include for completeness, and to be able to use mgetty as a full-
featured getty replacement.

-a Use autobauding. That is, after a connection is made, mgetty parses the
"CONNECT foo" response code of the modem and sets the port speed to the
first integer found after the "CONNECT" string, "foo" in this example. You
need this if your modem insist on changing its DTE speed to match the line
speed. I recommend against using it, better leave the port speed locked at a
fixed value. The feature is included because there exist old modems that
cannot use a fixed (locked) port speed.

-m 'expect send ...'
Set the "chat sequence" that is used to initialize the modem. For an empty
expect part, use empty double quotes (""). Since the sequence contains
spaces, you have to enclose all of it in single quotes(''). Example:

mgetty -m '"" ATH0 OK'

FILES
/etc/mgetty+sendfax/mgetty.config
Main configuration file.

/etc/mgetty+sendfax/login.config
controls whether (and when) mgetty should call some other program for user
login instead of /bin/login. How this is done is explained in this file.

/etc/mgetty+sendfax/dialin.config
controls acceptance/denial of incoming calls based on the caller's number.
Available only if you have "caller ID" and your modem supports it.

/etc/nologin.ttyxx
controls whether mgetty should pick up the phone upon incoming calls. If the
file exists, calls are completely ignored. You can use this, for example, to
stop mgetty during day time, and let it pick up at night only, by creating
and removing /etc/nologin.ttyxx via the cron program at the appropriate
time.

/etc/issue
will be printed after a connection is established, and before the with the
'-i' option.

/var/log/mgetty.log.ttyxx
Debug log file, see below.

DIAGNOSTICS
If mgetty doesn't work the way it should, the main source of diagnostic data is the
log file. It can be found in "/var/log/mgetty.log.ttyxx" (for the mgetty process
handling "ttyxx"). If it doesn't contain enough details, enhance the log level
with the '-x' option to mgetty, e.g. "-x 5".

Many of the common problems and solutions are discussed in the mgetty manual and
the FAQ. Please see the WWW page at http://alpha.greenie.net/mgetty/ for both.

BUGS
Not all of mgetty configuration can be done at run-time yet. Things like flow con-
trol and file paths (log file / lock file) have to be configured by changing the
source and recompiling.

Users never read manuals...

SEE ALSO
g32pbm(1), sendfax(8), getty(8), mgettydefs(4), mgetty.info

greenie 27 Oct 93 - 21 Jul 98 mgetty(8)

Generated by $Id: phpMan.php,v 4.49 2006/02/26 13:18:18 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
2010-09-03 08:37 @38.107.191.103 Crawled by CCBot/1.0 (+http://www.commoncrawl.org/bot.html)