:~$ cat /etc/lightdm/lightdm-gtk-greeter.conf
[greeter]
indicators = ~host;~spacer;~clock;~spacer;~nm-applet;~session;~a11y;~language;~power
keyboard = onboard
reader = orca
user-background = false
clock-format = %A %d %B %Y, %H:%M
:~$ locate com.canonical.indicator
/usr/share/accountsservice/interfaces/com.canonical.indicator.sound.AccountsService.xml
/usr/share/dbus-1/interfaces/com.canonical.indicator.sound.AccountsService.xml
/usr/share/glib-2.0/schemas/com.canonical.indicator.sound.gschema.xml
/usr/share/polkit-1/actions/com.canonical.indicator.sound.AccountsService.policy
/usr/share/unity/indicators/com.canonical.indicator.sound
operating system:
:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.4 LTS
Release: 14.04
Codename: trusty
desktop environment: Mate
:~$ uname -r
3.16.0-71-generic
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: lightdm 1.10.6-0ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-71.92~14.04.1-generic 3.16.7-ckt27
Uname: Linux 3.16.0-71-generic i686
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: i386
CurrentDesktop: MATE
Date: Tue Jun 7 18:05:36 2016
InstallationDate: Installed on 2016-05-17 (20 days ago)
InstallationMedia: Ubuntu MATE 14.04.2 "Trusty Tahr" - LTS i386 (20150323)
LightdmGreeterLog:
** (lightdm-gtk-greeter:2015): WARNING **: [PIDs] Failed to execute command: upstart
g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.
LightdmGreeterLogOld:
** (lightdm-gtk-greeter:1670): WARNING **: [PIDs] Failed to execute command: upstart
g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
it's been a month
I want to know something more about the problem