'\" t
.\"     Title: \fBkded4\fR
.\"    Author: David Faure <faure@kde.org>
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 2010-10-28
.\"    Manual: KDE User's Manual
.\"    Source: KDE 4.5
.\"  Language: English
.\"
.TH "\FBKDED4\FR" "8" "2010\-10\-28" "KDE 4.5" "KDE User's Manual"
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.SH "NAME"
kded4 \- KDE daemon \- triggers Sycoca database updates when needed\&.
.SH "SYNOPSIS"
.HP \w'\fBkded4\fR\ 'u
\fBkded4\fR [\-\-help] [Generic\ options] [Qt\-options] [KDE\-options] [\-\-check]
.SH "DESCRIPTION"
.PP
\fBkded4\fR
is responsible for creating the sycoca file, i\&.e\&. the binary cache of servicetypes, mimetypes, and services for a particular user\&.
.PP
It monitors the directories containing \&.desktop files\&. When a file is added/removed, it waits 5 seconds (in case of a series of updates), and then launches
\fBkbuildsycoca4\fR
to update the sycoca\&.
.PP
It checks newly installed update files, i\&.e\&. the *\&.upd files used to update configuration files of users when the configuration file formats changes\&.
\fBkconf_update\fR
is launched to do the updates\&.
.PP
When the hostname changes, it will make the necessary changes to the KDE environment and X\-server to allow continued proper operation, launching
\fBkdontchangethehostname\fR
to do the changes\&.
.PP
Those tasks are also performed always at kded4 start to ensure that the user configuration is up to date\&.
.PP
It is also responsible for launching the on\-demand kded4 modules and init enabled kded4 modules like:
.PP
\fBKonqueror Browser Preloader\fR
.RS 4
Reduces Konqueror startup time\&.
.RE
.PP
\fBDirectory Watcher\fR
.RS 4
Monitors directories for changes\&.
.RE
.PP
\fBHardware Detection\fR
.RS 4
Provides a user interface for hardware events\&.
.RE
.PP
\fBSSL Certificate Policy\fR
.RS 4
Provides the user configured SSL certificate policy to applications\&.
.RE
.PP
\fBNetwork Proxy Configuration\fR
.RS 4
Automatic proxy configuration\&.
.RE
.PP
\fBPassword Caching\fR
.RS 4
Temporary password caching, for example: so that a webpage with HTTP authentication doesn\*(Aqt ask for your password for every link and every image in the page\&. These passwords are forgotten when exiting KDE (unlike
\fBKWallet\fR)
.RE
.PP
\fBSound Policy\fR
.RS 4
Provides the sound system policy to applications\&.
.RE
.PP
\fBFavicons\fR
.RS 4
Stores website icons\&.
.RE
.PP
\fBDisplay Management\fR
.RS 4
Manages displays and video outputs\&.
.RE
.PP
\fBCookie jar\fR
.RS 4
Stores network cookies\&.
.RE
.PP
\fBNetwork Watcher\fR
.RS 4
Keeps track of the network and updates directory listings of the
network:/
KIO slave\&.
.RE
.PP
\fBSubversion Module\fR
.RS 4
Provides various subversion actions to filemanager and other software\&.
.RE
.PP
\fBNetwork Status\fR
.RS 4
Tracks status of network interfaces and provides notifications for applications using the network\&.
.RE
.PP
\fBWrite Daemon\fR
.RS 4
Watches the messages from local users sent with
\fIwrite\fR(1) or
\fIwall\fR(1)\&.
.RE
.PP
\fBNotification area watcher\fR
.RS 4
Keeps track of applications that want to use the D\-Bus based notification area\&.
.RE
.PP
\fBKMixD\fR
.RS 4
KMixD Mixer Service
.RE
.PP
\fBSystemtray daemon\fR
.RS 4
Keeps track of applications that want to use the D\-Bus based system tray\&.
.RE
.PP
\fBKeyboard Daemon\fR
.RS 4
Keeps track of keyboard changes (new keyboard, changed layout)
.RE
.PP
\fBRemote URL Change Notifier\fR
.RS 4
Provides change notifications for network folders
.RE
.PP
\fBActivity Manager\fR
.RS 4
The Nepomuk activities manager backend
.RE
.PP
\fBDisplay Management change monitor\fR
.RS 4
Notifies how the display has been rotated (where available)
.RE
.PP
\fBFree Space Notifier\fR
.RS 4
Warns when running out of space in your home folder\&.
.RE
.PP
\fBRemovable Device Automounter\fR
.RS 4
Automatically mounts devices as needed\&.
.RE
.PP
\fBNepomuk Search Module\fR
.RS 4
Helper module for KIO to ensure automatic updates of Nepomuk search listings\&.
.RE
.PP
\fBPower Management\fR
.RS 4
Battery, Display and CPU power management and notifications\&.
.RE
.PP
\fBK Remote Control Daemon\fR
.RS 4
Manages the Remote Control commands received
.RE
.PP
\fBStatus Notifier Manager\fR
.RS 4
Manages services that provide status notifier user interfaces\&.
.RE
.PP
\fBDNS\-SD Service Discovery Monitor\fR
.RS 4
Monitors the network for DNS\-SD services\&.
.RE
.PP
\fBDrive Ejector\fR
.RS 4
Automatically unmounts and releases drives when their eject button is pushed\&.
.RE
.PP
\fBTime zone\fR
.RS 4
Provides access to the system\*(Aqs time zones for applications\&.
.RE
.PP
\fBInput Actions\fR
.RS 4
Input Actions service performing configured actions on key presses\&.
.RE
.PP
The init modules can be enabled/disabled using
\fBsystemsettings\fR, in System Administration > Startup and Shutdown > Service Manager\&.
.SH "GENERIC OPTIONS"
.PP
\fB\-\-author\fR
.RS 4
Show author information\&.
.RE
.PP
\fB\-\-help\fR
.RS 4
Show help about options\&.
.RE
.PP
\fB\-\-help\-all\fR
.RS 4
Show all options\&.
.RE
.PP
\fB\-\-help\-kde\fR
.RS 4
Show KDE specific options\&.
.RE
.PP
\fB\-\-help\-qt\fR
.RS 4
Show Qt specific options\&.
.RE
.PP
\fB\-\-license\fR
.RS 4
Show license information\&.
.RE
.PP
\fB\-v\fR \fB\-\-version\fR
.RS 4
Show version information
.RE
.SH "APPLICATION OPTIONS"
.PP
\fB\-\-check\fR
.RS 4
Check Sycoca database only once\&.
.RE
.SH "USAGE"
.PP
If
\fBkded4\fR
is called without parameters and is already running, it shows the message:
.sp
.if n \{\
.RS 4
.\}
.nf
KDE Daemon (kded) already running\&.
.fi
.if n \{\
.RE
.\}
.PP
If
\fBkded4\fR
is called with
\fBkded4 \-\-check\fR, then it updates the
KDE
sycoca using
\fBkbuildsycoca4\fR\&.
.SH "SEE ALSO"
.PP
\fIkdeoptions\fR(7),
\fIqtoptions\fR(7),
\fIkbuildsycoca4\fR(8)
.SH "BUGS"
.PP
There are probably tons of bugs\&. Use
\m[blue]\fBbugs\&.kde\&.org\fR\m[]\&\s-2\u[1]\d\s+2
to report them\&.
.SH "AUTHORS"
.PP
\fBDavid Faure\fR <\&faure@kde\&.org\&>
.RS 4
Author.
.RE
.PP
\fBWaldo Bastian\fR <\&bastian@kde\&.org\&>
.RS 4
Author.
.RE
.SH "NOTES"
.IP " 1." 4
bugs.kde.org
.RS 4
\%http://bugs.kde.org
.RE