LightDM

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LightDM

LightDM in Ubuntu 12.04 with its default Unity Greeter front-end
Original author(s) Robert Ancell
Developer(s)
  • Robert Ancell
  • David Edmundson
Initial release September 10, 2010 (2010-09-10)
Stable release 1.8.0 / October 8, 2013 (2013-10-08)[1]
Development status Active
Written in C
Operating system Linux
Platform GTK+, Qt
Size 1 MB
Available in >50 languages[2][3][4]
Type
License GNU GPL 3[5]
Website freedesktop.org/wiki/Software/LightDM

LightDM is an X display manager that aims to be lightweight, fast, extensible and multi-desktop.[6] It uses various front-ends to draw login interfaces,[7] so-called Greeters.[8]

Features

Some features include:

  • Codebase with few external dependencies
  • Standards compliant (PAM, logind, etc.)
  • Well defined interface between the server and user interface
  • Cross-desktop (Greeters can be written in any toolkit)
  • Well-defined greeter API allowing multiple GUIs
  • Support for all display manager use cases, with plugins where appropriate

LightDM offers at least the same functionality as GDM but it has a simpler code base and does not load any GNOME libraries to work.[9] LightDM is the default display manager for Ubuntu, Edubuntu, Xubuntu and Mythbuntu since 11.10 release,[10][11] for Lubuntu since 12.04 release,[12] and for Kubuntu beginning with 12.10.[13]

Available Greeters

LightDM Greeters in active development
Name Key feature(s) Version Website
GTK+ Greeter Reference implementation in GTK+,[14] Lubuntu default,[12] Xubuntu default[11] 1.5.2[14] launchpad.net
KDE Greeter Plasma integration,[15][16] Kubuntu default[13] 0.3.2.1[17] projects.kde.org
Pantheon Greeter Greeter for Elementary OS[18] Beta 1[18] launchpad.net
Razor Greeter Lightweight (Qt-only), for Razor-Qt[19] 0.5.2 razor-qt.org
Unity Greeter Ubuntu default[7] 13.04.1[20] launchpad.net
Dormant LightDM Greeters
Name Key feature(s) Version Website
Crowd Greeter Demonstration for an OpenGL-based Greeter[21][22] 0.0.2[23] launchpad.net
GTK+ Builder Greeter An alternative implementation from LXDE for GTK+ based on GtkBuilder featuring WYSIWYG theme editing with Glade Interface Designer. 0.2.0[24] sourceforge.net
Qt Greeter Reference implementation in Qt — launchpad.net
WebKit Greeter Easy theming[7] 0.1.2[25] launchpad.net

See also

References

  1. ↑ Light Display Manager, Launchpad.net 
  2. ↑ Czech 17 000.00 0 0 0 0 2011-05-13 12:11:15 UTC 2011-05-13 (2011-05-13). "Translations: Light Display Manager". Translations.launchpad.net. Retrieved 2013-05-29. 
  3. ↑ Czech 16 015.79 3 3 3 3 2013-05-08 06:42:26 UTC 2013-05-08 (2013-05-08). "Translations: LightDM GTK+ Greeter". Translations.launchpad.net. Retrieved 2013-05-29. 
  4. ↑ "Translations: Unity Greeter". Translations.launchpad.net. 2012-01-24. Retrieved 2013-05-29. 
  5. ↑ LightDM: Contents of COPYING, launchpad.net, retrieved 2012-08-23 
  6. ↑ The Light Display Manager (LightDM), retrieved 17 May 2011 
  7. ↑ 7.0 7.1 7.2 Ubuntu 11.10 To Switch From GDM To LightDM, 12 May 2011, retrieved 18 May 2011 
  8. ↑ Fischer, Matt (2012-02-07). "» So You Want to Write a LightDM Greeter… Matt Fischer's Blog". Mattfischer.com. Retrieved 2013-05-29. 
  9. ↑ Ubuntu adopts LightDM, login screens to get more exciting, Geek.com, 12 May 2011, retrieved 18 May 2011 
  10. ↑ Ubuntu 11.10 ReleaseNotes, Canonical, retrieved 28 May 2012 
  11. ↑ 11.0 11.1 Xubuntu 11.10 Release Notes, Canonical, retrieved 17 December 2012 
  12. ↑ 12.0 12.1 Lubuntu 12.04 ReleaseNotes, Canonical, retrieved 14 Jun 2012 
  13. ↑ 13.0 13.1 RFC] Merging LightDM into KDE Workspaces, mail.kde.org, retrieved 2013-05-29 
  14. ↑ 14.0 14.1 LightDM GTK+ Greeter in Launchpad, Launchpad.net, retrieved 2012-12-16 
  15. ↑ David Edmundson (2012-07-21), LightDM-KDE 0.2.0, Sharpley.org.uk, retrieved 2012-08-23 
  16. ↑ Rationales, Static.davidedmundson.co.uk, retrieved 2013-05-29 
  17. ↑ LightDM-KDE File Archive, KDE, retrieved 6 June 2013 
  18. ↑ 18.0 18.1 Hello, Luna Beta 1 | elementary, Elementaryos.org, 2012-11-14, retrieved 2013-05-29 
  19. ↑ Razor-qt, razorqt-lightdm-greeter, Github.com, retrieved 2012-08-23 
  20. ↑ Unity Greeter, Launchpad.net, retrieved 2012-12-16 
  21. ↑ ~lightdm-team/crowd-greeter/trunk (2011-07-27), ~lightdm-team/crowd-greeter/trunk : contents of NEWS at revision 33, Bazaar.launchpad.net, retrieved 2013-05-29 
  22. ↑ LightDM Crowd Greeter, YouTube, 2011-09-07, retrieved 2013-05-29 
  23. ↑ Crowd Greeter : "LightDM Development Team" team, Launchpad.net, 2011-09-08, retrieved 2013-05-29 
  24. ↑ Status of LXDE Components, LXDE Team, retrieved 17 December 2012 
  25. ↑ LightDM Webkit Greeter, Launchpad.net, retrieved 2012-08-23 

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