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88 lines
4.0 KiB
88 lines
4.0 KiB
.\" $Id: tdm.options.5,v 1.2 2004/02/27 22:45:20 ccheney Exp $
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.\"
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.\" Copyright 1998, 2002, 2003 Branden Robinson <branden@debian.org>.
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.\"
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.\" This is free software; you may redistribute it and/or modify
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.\" it under the terms of the GNU General Public License as
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.\" published by the Free Software Foundation; version 2.
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.\"
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.\" This is distributed in the hope that it will be useful, but
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.\" WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.\" GNU General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public License with
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.\" the Debian operating system, in /usr/share/common-licenses/GPL; if
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.\" not, write to the Free Software Foundation, Inc., 59 Temple Place,
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.\" Suite 330, Boston, MA 02111-1307 USA
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.TH tdm.options 5 "2003\-09\-18" "Debian Project"
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.SH NAME
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tdm.options \- configuration options for X display manager
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.SH DESCRIPTION
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.I /etc/trinity/tdm/tdm.options
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contains a set of flags that determine some of the behavior of the
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X display manager
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.BR tdm (1).
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.PP
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.I /etc/trinity/tdm/tdm.options
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may contain comments, which begin with a hash mark and end at the next
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newline, just like comments in shell scripts. The rest of the file
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consists of options which are expressed as words separated by hyphens, with
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only one option per line. If an option is present with the \(oqno\-\(cq
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prefix, or absent, it is disabled, otherwise it is considered enabled.
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.PP
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Available options are:
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.TP
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.B ignore\-nologin
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Normally, the contents of the /etc/nologin file will be displayed using
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.BR xmessage (1x)
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(if
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.B xmessage
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is available), and the user will be returned to the tdm login screen after
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the xmessage is dismissed. If this option is enabled, tdm starts a session
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as usual (after the xmessage is dismissed, if xmessage is available).
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.TP
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.B restart\-on\-upgrade
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Enable this option with caution on \(oqproduction\(cq machines; it causes
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the tdm daemon to be stopped and restarted on upgrade, even if the process
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has children (which means it is managing X sessions). Typically when a
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package that contains a daemon is being installed or upgraded, its
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maintainer scripts stop a running daemon process before installing the new
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binary, and restart it after the new binary is installed. Stopping tdm
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causes immediate termination of any sessions it manages; in some situations
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this could be an unwelcome surprise (for instance, for remote tdm users who
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had no idea the administrator was performing system maintenance). On the
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other hand, for machines that stay up for long periods of time, leaving the
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old daemon running can be a bad idea if the new version has, for instance,
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a fix for a security vulnerability (overwriting tdm's executable on the
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file system has no effect on the copy of tdm in memory). The tdm
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pre\-removal script checks to see if the tdm process has any children; if
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it does, it is possible that someone's session would be killed by stopping
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tdm, so a warning is issued and an opportunity to abort the upgrade of tdm
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is provided. If this option is disabled (the Debian default), tdm will be
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not be stopped or started during an install or upgrade; the administrator
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will have to do so by hand (with \(oq/etc/init.d/tdm restart\(cq, or by
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rebooting the system) before the newly installed tdm binary is used.
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.TP
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.B use\-sessreg
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If this option is enabled (the Debian default), the sessreg program will be
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invoked to register X sessions managed by tdm in the utmp and wtmp files.
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Otherwise, it is not, and the utmp and wtmp files will have no record of
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tdm sessions.
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.PP
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Users of older versions of the Debian system should note that the
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\(oqrun\-xconsole\(cq option has been removed. Shell scripts named
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.I /etc/trinity/tdm/Xsetup
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and
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.I /etc/trinity/tdm/Xreset
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can be edited to disable or modify the running of xconsole on the tdm
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greeter screen; see the
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.B tdm
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manual page for more information.
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.SH AUTHOR
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This manpage was written by Branden Robinson for the Debian Project.
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.SH SEE ALSO
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.BR sessreg (1x),
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.BR xmessage (1x),
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.BR tdm (1x)
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