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Display manager for kde5/openrc with multiseat?
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Apollo_Futurae
n00b
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Joined: 17 May 2005
Posts: 18
Location: Amsterdam, Netherlands

PostPosted: Mon May 30, 2016 1:02 pm    Post subject: Display manager for kde5/openrc with multiseat? Reply with quote

For some time, I have been using a multiseat setup, with kde4 and kdm, under openrc. It is working nicely.

Now, I'm considering upgrading to kde5, but it's not clear to me what display manager I could use:
  • the preferred new display manager, sddm, does not currently handle multiseat;
  • I would like to stay on openrc and keep out systemd as much as possible, so LightDM is then not an option, or is it?
  • Is it even possible to use kdm with kde5? This is not clear to me from the kde upgrade guide.
What would be the best bet?
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kensington
Developer
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Joined: 02 Jan 2013
Posts: 175
Location: Australia

PostPosted: Wed Jun 01, 2016 2:42 pm    Post subject: Reply with quote

I've used LightDM with Plasma 5 and OpenRC in the past and it worked fine

As for KDM, I've heard mixed reports but wouldn't recommend it - it's completely unsupported upstream and will be removed along with the rest of Plasma 4.
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Nreal
Tux's lil' helper
Tux's lil' helper


Joined: 06 Jan 2009
Posts: 146

PostPosted: Fri Feb 03, 2017 8:32 am    Post subject: Time to give up kde multiseat :( Reply with quote

Can someone who knows how to aply these kde settings to lightdm.conf help me please. Theres 3 seats started with kdm..

[X-:0-Core]
AutoLoginEnable=false
AutoLoginLocked=false
AutoLoginUser=markus
ClientLogFile=.xsession-errors
ServerCmd=/usr/bin/X -nolisten tcp -novtswitch -config /etc/X11/xorg_left.conf -br -sharevts vt12

[X-:0-Greeter]
DefaultUser=mari

[X-:1-Core]
ClientLogFile=.xsession-errors1
ServerCmd=/usr/bin/X -nolisten tcp -novtswitch -config /etc/X11/xorg_right.conf -br vt12

[X-:2-Core]
ClientLogFile=.xsession-errors2
ServerCmd=/usr/bin/X -nolisten tcp -novtswitch -config /etc/X11/xorg_middle.conf -br -sharevts vt12

THis was so easy and it has worked like a dream with games and all :)

But how to apply that to lightdm.conf ??

[Seat:*]
#type=local
#pam-service=lightdm
#pam-autologin-service=lightdm-autologin
#pam-greeter-service=lightdm-greeter
#xserver-backend=
#xserver-command=X
#xmir-command=Xmir
#xserver-config=
#xserver-layout=
#xserver-allow-tcp=false
#xserver-share=true
#xserver-hostname=
#xserver-display-number=
#xdmcp-manager=
#xdmcp-port=177
#xdmcp-key=
#unity-compositor-command=unity-system-compositor
#unity-compositor-timeout=60
#greeter-session=example-gtk-gnome
#greeter-hide-users=false
#greeter-allow-guest=true
#greeter-show-manual-login=false
#greeter-show-remote-login=true
#user-session=default
#allow-user-switching=true
#allow-guest=true
#guest-session=
session-wrapper=/etc/lightdm/Xsession
#greeter-wrapper=
#guest-wrapper=
#display-setup-script=
#display-stopped-script=
#greeter-setup-script=
#session-setup-script=
#session-cleanup-script=
#autologin-guest=false
#autologin-user=
#autologin-user-timeout=0
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Zucca
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Joined: 14 Jun 2007
Posts: 1468
Location: KUUSANKOSKI, Finland

PostPosted: Fri Feb 03, 2017 10:55 pm    Post subject: Reply with quote

To me those settings look very much like LightDM configs.
Here's my two-seated config:
lightdm.conf:
[LightDM]
greeter-user=lightdm
minimum-display-number=0
minimum-vt=7
lock-memory=true
log-directory=/var/log/lightdm
run-directory=/var/run/lightdm
cache-directory=/var/cache/lightdm
remote-sessions-directory=/usr/share/lightdm/remote-sessions
greeters-directory=/usr/share/lightdm/greeters:/usr/share/xgreeters
backup-logs=true

[Seat:*]
type=xlocal
xserver-allow-tcp=false
greeter-hide-users=false
autologin-guest=false
allow-guest=true
greeter-allow-guest=true
greeter-session=lightdm-gtk-greeter

[Seat:seat0]
xserver-command=/usr/bin/X -screen screen0
display-setup-script=/etc/lightdm/seat0-setup.sh debug display

[Seat:seat1]
xserver-command=/usr/bin/X -screen screen1
display-setup-script=/etc/lightdm/seat1-setup.sh display

[XDMCPServer]
enabled=false

[VNCServer]
Hope this helps.
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Nreal
Tux's lil' helper
Tux's lil' helper


Joined: 06 Jan 2009
Posts: 146

PostPosted: Sat Feb 04, 2017 8:11 am    Post subject: Reply with quote

I think it should work with this server command below.. But not able to verify that because I havent updated anything else but system because this kdm thing (few months now). I havent had time to think this and we really need those three seats :) Lightdm command produses some icu 57 missing error so this could take a few days :)

xserver-command=/usr/bin/X -screen screen0 -config /etc/X11/xorg_left.conf

Or does it have to be scripted that config for it to work? Or what there is in display-setup-script?
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Zucca
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Joined: 14 Jun 2007
Posts: 1468
Location: KUUSANKOSKI, Finland

PostPosted: Sun Feb 05, 2017 11:33 pm    Post subject: Reply with quote

Nreal wrote:
Or does it have to be scripted that config for it to work? Or what there is in display-setup-script?
I have there only monitor detection functions and xrandr commands that try to set up monitors in a smart way. Not really needed normally.
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