Here's a question.
Does DRI need to access the /proc filesystem for 3d? If not then I
am sure it would work remotely. What have you discovered Ashley? I
have never tried doing remote 3d applications.
* Ashley ([EMAIL PROTECTED]) [021018 09:38]:
>
> I solved it. It turns out I need to somehow supply the DISPLAY environment
> to the shell which executes the application on the dumb client.
> Most apps don't have a "-display" option.
>
>
> ashley@ishi:~ >rsh alban
> Password:
>
> ashley@alban:~ >echo $DISPLAY
>
> ashley@alban:~ >/usr/bin/tuxracer
>
> *** tuxracer error: Couldn't initialize SDL: No available video device
>
> ashley@alban:~ >export DISPLAY=:0.0
> ashley@alban:~ >echo $DISPLAY
> :0.0
> ashley@alban:~ >/usr/bin/tuxracer
>
> joy
>
>
>
> I wrote a pair of scripts to accomplish this:
> /usr/local/bin/ltsp_runlocal # runs on the server
> # calls launch_localapp
> /opt/ltsp/i386/usr/local/bin/launch_localapp # runs on the client
>
> Theses allow me to run local apps directly from my terminal shell:
> ashley@ishi:~ >ltsp_runlocal tuxracer
>
>
>
> I also wrote a script for easy installation of local apps into the
> ltsp export tree:
> /usr/local/sbin/ltsp_makelocalapp
>
>
> I would like to contribute these to the LTSP documentation. Who do I
> talk to?
>
>
>
>
> #!/bin/bash
> #set -x
>
> # ltsp_runlocal
> # ashley gould [EMAIL PROTECTED]
> # Fri Oct 18 01:03:35 PDT 2002
>
> # for use with Linux Terminal Server Project
> # runs an application on the client host
> #
> # calls the launcher wrapper on the client host and passes it the DISPLAY
> # environment variable and the command line
> #
> # I install this to /usr/local/bin on the server
>
>
> USAGE="usage: ltsp_runlocal command_name [parameters]"
>
>
> # application launch wrapper run on client
> # path is relative to client's root filesystem
> LAUNCHER=/usr/local/bin/launch_localapp
>
> LTSP_DIR=/opt/ltsp/i386
> RSH=/usr/bin/rsh
>
>
>
> # get the command name from input, check if it's an executable
> if [ -z $1 ]; then
> echo $USAGE
> exit 1
> elif [ ! -x "$(/usr/bin/which $1 2> /dev/null)" ]; then
> echo $USAGE
> echo $1 is not a valid executable
> exit 1
> else
> COMMAND=$(/usr/bin/which $1 2> /dev/null)
> fi
>
> if [ ! -x $LTSP_DIR$COMMAND ]; then
> echo $COMMAND not installed in $LTSP_DIR
> exit 1
> fi
>
>
> # get the hostname of the client running this display
> HOST=$(echo $DISPLAY | awk -F: '{ print $1 }')
>
> # ${*#$1} this ugly stuff gives us any parameters
> PARAMETERS=${*#$1}
>
> # call the launcher on client
> #echo $RSH $HOST $LAUNCHER $DISPLAY $COMMAND $PARAMETERS
> $RSH $HOST $LAUNCHER $DISPLAY $COMMAND $PARAMETERS
>
> exit 0
>
>
>
>
>
> #!/bin/bash
>
> # launch_localapp
> # ashley gould [EMAIL PROTECTED]
> # Fri Oct 18 00:51:31 PDT 2002
>
> # for use with Linux Terminal Server Project
> #
> # This is the wrapper script called by ltsp_runlocal
> # for launching applications that run on the client. It first sets
> # the DISPLAY environment variable passed to it by ltsp_runlocal
> # and then execs the application.
> #
> # I install it on the server at:
> # /opt/ltsp/i386/usr/local/bin/launch_localapp
> #
> # Usage:
> # ltsp_runlocal application [parameters] # runs on server
> # launch_localapp displayname application [parameters] # runs on client
>
>
> # get DISPLAY
> export DISPLAY=$1
>
> # launch app
> # ${*#$1}
> # this ugly stuff gives us the command and any parameters
>
> #echo launch_localapp: $DISPLAY, ${*#$1}
> exec ${*#$1}
>
>
>
>
>
>
>
> #!/bin/bash
> #set -x
>
> # ltsp_makelocalapp
> # ashley gould [EMAIL PROTECTED]
> # Mon Oct 14 19:11:31 PDT 2002
>
>
> # for use with Linux Terminal Server Project
> #
> # This script will copy the given executables and any needed libraries
> # into the ltsp export directory. If new libs were copied over, then it
> # runs ldconfig using the ltsp export tree as root.
> #
> # In addition, you should check if the application has its own data files
> # with rpm and copy those over by hand:
> #
> # ishi:~ # rpm -qf `which tuxracer`
> # tuxracer-0.61-141
> # ishi:~ # rpm -ql tuxracer
> # /usr/bin/tuxracer
> # blah
> # blah
> # /usr/share/tuxracer
> # blah
> # blah
> # ishi:~ # cp -av /usr/share/tuxracer /opt/ltsp/i386/usr/share/
>
>
>
>
> if [ "$UID" != 0 ]; then
> echo "You must be root to run this."
> exit 1
> fi
>
>
> USAGE="usage: ltsp_makelocalapp command_name [command_name ...]"
> LTSP_DIR=/opt/ltsp/i386
> NEWLIB="NO"
> declare -a COPY_ERROR
> ERR_NUM=0
>
>
> if [ $# -lt 1 ]; then
> echo $USAGE
> exit 1
> fi
>
>
> for i in $@; do
>
> # get the program name from the command line
> echo;echo
> echo $i
> if [ ! -x "$(/usr/bin/which $i 2> /dev/null)" ]; then
> echo $USAGE
> echo $i is not a valid executable
> continue
> else
> FILE=$(/usr/bin/which $i 2> /dev/null)
> fi
> echo
>
> # copy the program
> if [ -x "$LTSP_DIR$FILE" ]; then
> echo $FILE already an executible in $LTSP_DIR
> else
> echo "copying $FILE to $LTSP_DIR$FILE"
> /bin/cp -a $FILE "$LTSP_DIR$FILE" || {
> COPY_ERROR[$ERR_NUM]=$FILE
> let "ERR_NUM = $ERR_NUM + 1"
> }
> fi
> echo
>
> # copy required libs
> echo checking for required libs:
> LIBS=$(/usr/bin/ldd $FILE 2> /dev/null |grep -v "not a "| awk '{print$ 3}')
> for lib in $LIBS; do
> if [ -f "$LTSP_DIR$lib" -o -L "$LTSP_DIR$lib" ]; then
> echo " $lib already installed"
> else
> echo "copying $lib => $LTSP_DIR$lib"
> /bin/cp -p $lib "$LTSP_DIR$lib"
> if [ $? -ne 0 ]; then
> COPY_ERROR[$ERR_NUM]=$lib
> let "ERR_NUM = $ERR_NUM + 1"
> else
> [ $NEWLIB == "NO" ] && NEWLIB="YES"
> fi
> fi
> done
> echo
>
> done
>
>
> # run ldconfig if new libraries were copied into the ltsp tree
> if [ $NEWLIB == "YES" ]; then
> echo;echo
> echo running ldconfig:
> /sbin/ldconfig -r $LTSP_DIR -v
> fi
>
> # report file copying errors
> if [ $ERR_NUM -gt 0 ]; then
> echo
> echo The following files could not be copied into the ltsp export tree.
> echo ${COPY_ERROR[*]}
> echo
> echo Check the above output for /bin/cp errors.
> echo Probalbly $LTSP_DIR does not have the necessary directory
> echo structure to accomodate the new files. You may need to create
> echo these directories by hand and rerun this script.
> echo;echo
> fi
>
>
>
>
>
>
>
> exit 0
>
>
>
> On Thu, Oct 17, 2002 at 01:04:41PM -0700, ashley wrote:
> >
> > Hi Randall,
> >
> > I run sh /tmp/start_ws from runlevel 3. I'm still testing.
> >
> > tuxracer seems to be the only one of these that wants a framebuffer. Do you
> > know off hand what are the kernel configs for framebuffering? (You do don't
> > you) I'll try a new kernel.
> >
> > I will still need to create the /dev/fb0 device though. How is this done in
> > ltsp? And what is SDL?
> >
> > But I think bzflag and tuxkart errors are not related to fb device. Looks to
> > me like an auth problem. I don't know. Perhaps I'll try some X apps that
> > don't want DRI and see if there's a difference
> >
> >
> >
> > On Thu, Oct 17, 2002 at 12:38:30PM -0700, Randall Craig wrote:
> > > Are you running these aps from a frame buffer or in xwindows?
> > > > RUNLEVEL = 3
> > > >
> > > > ashley@alban:~ >strace tuxracer
> > > > .
> > > > .
> > > > .
> > > > open("/dev/fb0", O_RDWR) = -1 ENOENT (No such file or directory)
> > > > write(2, "*** tuxracer error: ", 20*** tuxracer error: ) = 20
> > > > write(2, "Couldn\'t initialize SDL: No avai"..., 50Couldn't initialize SDL: No
>available video device) = 50
> > > > write(2, "\n", 1
> > > > ) = 1
> > > > _exit(1) = ?
> > >
> > > It looks to be like you are doing things from a frame buffer, which
> > > may not even function with the Ltsp kernel.
> > >
> > >
> > > -- randall.
> >
> > --
> >
> > -ashley
> >
> > One of these days I'm going to completely organize my life.
> >
> >
> > -------------------------------------------------------
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> > _____________________________________________________________________
> > Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto:
> > https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
> > For additional LTSP help, try #ltsp channel on irc.openprojects.net
>
> --
>
> -ashley
>
> One of these days I'm going to completely organize my life.
>
>
> Ashley Gould 510.482.0525
> 3020 Kansas St. [EMAIL PROTECTED]
> Oakland, CA 94602
>
>
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