Op vrijdag 16 maart 2007 23:04, schreef Andrew Bogecho:
> >> After testing the beta of CentOS 5, i was a little surprised to notice
> >> that the display manager part of the prefdm file in /etc/X11 was exactly
> >> like in CentOS 4 / RHEL4 and previous versions including RH9.
> >>
> >>
> >> it reads like this (added line numbers for reference):
> >>
> >> 14 # Run preferred X display manager
> >> 15 preferred=
> >> 16 if [ -f /etc/sysconfig/desktop ]; then
> >> 17 . /etc/sysconfig/desktop
> >> 18 if [ "$DISPLAYMANAGER" = GNOME ]; then
> >> 19 preferred=gdm
> >> 20 elif [ "$DISPLAYMANAGER" = KDE ]; then
> >> 21 preferred=kdm
> >> 22 elif [ "$DISPLAYMANAGER" = XDM ]; then
> >> 23 preferred=xdm
> >> 24 fi
> >> 25 fi
> >>
> >>
> >>
> >> Line 17 is no functional command i know of, therefor the choice of
> >> which displaymanager (login-screen) to use is decided by the fallback
> >> lines later in the script (that starts with gdm). If you're ok with gdm,
> >> than there's no need for this to change.
> >
> > Hi,
> >
> >
> > I believe that in bash and sh placing . (dot) followed by a space and
> > then a file will source that file, and in so doing source the
> > DESKTOP="BLAH"
> > into the current environment.
If tried (tested) that but if you have DESKTOP="KDE" in /etc/sysconfig/desktop
and the original prefdm, than the loginscreen will be gdm and not kdm.
I wouldn't be surprised if the feature you mention existed, but it doesn't
work like that on the redhat-pc's i've seen...
Rody
> >
> > A.
>
> Typo there I meant: DISPLAYMANAGER="BLAH"
>
> A.
>
> >> Still, it would seem that something is missing there.
> >> My best guess for what was supposed to be there:
> >>
> >>
> >>
> >> # Run preferred X display manager
> >> preferred= if [ -f /etc/sysconfig/desktop ]; then DISPLAYMANAGER=$(cat
> >> /etc/sysconfig/desktop | grep DESKTOP | cut -d '"' -f2)
> >> if [ "$DISPLAYMANAGER" = GNOME ]; then preferred=gdm elif [
> >> "$DISPLAYMANAGER" = KDE ]; then
> >> preferred=kdm elif [ "$DISPLAYMANAGER" = XDM ]; then preferred=xdm fi fi
> >>
> >>
> >> This would make kdm your display manager when using kde as default
> >> desktop and gdm when using gnome. Although the grep part is not
> >> necessary, i added it in case someone decides to add lines to the
> >> desktop file someday...
> >>
> >> I've come across one forum post in which someone suggested to add the
> >> line DISPLAYMANAGER="KDM" to the desktop file in order to achieve the
> >> same result. For this to work the prefdm file should be altered like
> >> this:
> >>
> >>
> >>
> >> # Run preferred X display manager
> >> preferred= if [ -f /etc/sysconfig/desktop ]; then if [ -n "$(cat
> >> /etc/sysconfig/desktop | grep DISPLAYMANAGER | cut -d '"'
> >> -f2)" ];then
> >> DISPLAYMANAGER=$(cat /etc/sysconfig/desktop | grep DISPLAYMANAGER | cut
> >> -d
> >> '"' -f2)
> >> if [ "$DISPLAYMANAGER" = GDM ]; then preferred=gdm elif [
> >> "$DISPLAYMANAGER"
> >> = KDM ]; then
> >> preferred=kdm elif [ "$DISPLAYMANAGER" = XDM ]; then preferred=xdm fi
> >> else DISPLAYMANAGER=$(cat /etc/sysconfig/desktop | grep DESKTOP | cut -d
> >> '"'
> >> -f2)
> >> if [ "$DISPLAYMANAGER" = GNOME ]; then preferred=gdm elif [
> >> "$DISPLAYMANAGER" = KDE ]; then
> >> preferred=kdm elif [ "$DISPLAYMANAGER" = XDM ]; then preferred=xdm fi fi
> >> fi
> >>
> >> It all seems basic scripting to me so i wonder if no-one simply never
> >> noticed or never cared to finish this one.
> >>
> >> Rody
> >>
> >>
> >>
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