[nSLUG] Replacement fro gdm

Daniel Morrison draker at gmail.com
Wed Sep 14 15:14:14 ADT 2011

What's wrong with xdm? Apart from being ugly, of course.
Well-tested, well-documented, standard across many systems, and still
has all the basic features that gdm threw away while it was being


On 14 September 2011 14:29, Jack Warkentin <jwark at bellaliant.net> wrote:
> Hi Everybody
> At the nSLUG meeting on Monday earlier this week I was asking if anybody had
> any suggestions as to a replacement for gdm3, into which gdm has
> metamorphosed, and is even cruftier than before (IMHO).
> Ben had a negative suggestion, ie do *not* use --- can't remember exactly
> what, but it was something like slip or slide.
> The results of
> # apt-cache search "display manager"
> on my Debian testing system yielded
> gdm3 - Next generation GNOME Display Manager
> kdm - KDE Display Manager for X11
> ldm - LTSP display manager
> ldm-server - server components for LTSP display manager
> ldm-themes - Collection of themes for the LTSP login manager
> libxdmcp-dev - X11 authorisation library (development headers)
> libxdmcp6 - X11 Display Manager Control Protocol library
> libxdmcp6-dbg - X11 authorisation library (debug package)
> liblightdm-gobject-1-0 - simple display manager (gobject library)
> liblightdm-gobject-dev - simple display manager (gobject development files)
> liblightdm-qt-1-0 - simple display manager (Qt library)
> liblightdm-qt-dev - simple display manager (Qt development files)
> lightdm - simple display manager
> lightdm-gtk-greeter - simple display manager (GTK+ greeter)
> lightdm-qt-greeter - simple display manager (Qt greeter)
> lightdm-vala - simple display manager (Vala files)
> nodm - automatic display manager
> sdm - Secure Display Manager - secure remote access to X11
> sdm-terminal - Secure Display Manager - terminal files
> wdm - WINGs Display Manager - an xdm replacement with a WindowMaker look
> xdm - X display manager
> (Ben's non-suggestion obviously wasn't there.)
> I wasn't interested in kdm or xdm for more or less the same reasons that I
> was trying to replace gdm, and ldm & sdm did not appear suitable to my
> single machine systems (desktop and laptop, no server); nodm, for
> smartphones, was a non-starter.
> So I first tried wdm. It looked good at first, but when I su'd to root and
> tried to run synaptic, the authorization system said no. There was an error
> message saying "could not open display", which, I have learned from previous
> experience, means that X-authorization has rejected the request to open the
> display.
> So I got rid of wdm and tried lightdm and so far it looks good. As a result
> of purging gdm, I have been able to rid my system of roughly 20 no longer
> needed packages. Great de-crufting! But there are still a *lot* of gnome-ish
> packages around that are still needed by the half-dozen or so gnome
> applications that I use.
> I hope this is of interest to other members of the list.
> Jack
> Jack Warkentin, phone 902-404-0457, email jwark at bellaliant.net
> 39 Inverness Avenue, Halifax, Nova Scotia, Canada, B3P 1X6
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