'\" t
.TH "ELOGIND" "8" "" "elogind 252.9" "elogind"
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.nh
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.SH "NAME"
elogind \- Login manager
.SH "SYNOPSIS"
.HP \w'\fBelogind\fR\ 'u
\fBelogind\fR [OPTIONS...] {COMMAND}
.SH "DESCRIPTION"
.PP
\fBelogind\fR
is a system service that manages user logins\&. It is responsible for:
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Keeping track of users and sessions, their processes and their idle state
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Providing PolicyKit\-based access for users to operations such as system shutdown or sleep
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Implementing a shutdown/sleep inhibition logic for applications
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Handling of power/sleep hardware keys
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Multi\-seat management
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Session switch management
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Device access management for users
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Removing of all System V and POSIX IPC objects belonging to the user after the last of the user\*(Aqs sessions terminated\&. See
\fIRemoveIPC=\fR
in
\fBlogind.conf\fR(5)
about how to configure this behavior\&.
.RE
.PP
User sessions are registered in elogind via the
\fBpam_elogind\fR(8)
PAM module\&.
.PP
See
\fBlogind.conf\fR(5)
for information about the configuration of this service\&.
.PP
See
\m[blue]\fBMulti\-Seat on Linux\fR\m[]\&\s-2\u[1]\d\s+2
for an introduction into basic concepts of logind such as users, sessions and seats\&.
.PP
See the
\m[blue]\fBlogind D\-Bus API Documentation\fR\m[]\&\s-2\u[2]\d\s+2
for information about the APIs
logind
provides\&.
.PP
For more information on the inhibition logic see the
\m[blue]\fBInhibitor Lock Developer Documentation\fR\m[]\&\s-2\u[3]\d\s+2\&.
.SH "SIGNALS"
.PP
\fBSIGTERM\fR
.RS 4
Upon receiving this signal elogind exits, cleaning up all sessions and seats\&.
.RE
.PP
\fBSIGQUIT\fR
.RS 4
Upon receiving this signal elogind exits, cleaning up all sessions and seats\&.
.RE
.PP
\fBSIGINT\fR
.RS 4
Upon receiving this signal elogind exits, leaving all sessions and seats in place\&.
.RE
.PP
\fBSIGHUP\fR
.RS 4
Reloads the complete daemon configuration\&.
This is mostly equivalent to
\fBloginctl reload\fR\&.
.RE
.SH "OPTIONS"
.PP
\fB\-D\fR, \fB\-\-daemon\fR
.RS 4
Daemonize elogind by double\-forking into background\&.
.RE
.PP
\fB\-h\fR, \fB\-\-help\fR
.RS 4
Show the help text and exit\&.
.RE
.SH "HISTORY"
.PP
elogind 252
.RS 4
Kernel command\-line arguments
\fIelogind\&.unified_cgroup_hierarchy\fR
and
\fIelogind\&.legacy_elogind_cgroup_controller\fR
were deprecated\&. Please switch to the unified cgroup hierarchy\&.
.RE
.SH "SEE ALSO"
.PP
The
\m[blue]\fBelogind Homepage\fR\m[]\&\s-2\u[4]\d\s+2,
\fBloginctl\fR(1),
\fBlogind.conf\fR(5),
\fBpam_elogind\fR(8)
.SH "NOTES"
.IP " 1." 4
Multi-Seat on Linux
.RS 4
\%http://www.freedesktop.org/wiki/Software/systemd/multiseat
.RE
.IP " 2." 4
logind D-Bus API Documentation
.RS 4
\%http://www.freedesktop.org/wiki/Software/systemd/logind
.RE
.IP " 3." 4
Inhibitor Lock Developer Documentation
.RS 4
\%http://www.freedesktop.org/wiki/Software/systemd/inhibit
.RE
.IP " 4." 4
elogind Homepage
.RS 4
\%https://github.com/elogind/elogind/
.RE