On 5/9/2015 11:18 AM, John Hupp wrote:
> On 5/8/2015 6:46 PM, John Hupp wrote:
>> I'm casting around for ideas on how to best detect that the current
>> environment is on a fat client (not on a thin client or on the server
>> itself), and then run a startup script to modify pcmanfm's volume
>> management preferences. The script should run whether the user is
>> logging into the server, a thin client or a fat client, so I would
>> probably not want to run it via an RCFILE entry in lts.conf. Maybe an
>> upstart job (I'm on Lubuntu 14.04).
>>
>> (I'm tweaking the behavior of what happens when a USB flash drive,
>> audio CD or data disc is inserted. My first approach was to turn off
>> pcmanfm's "Mount removable media automatically when they are
>> inserted" setting for all users except user1. I arrived at an
>> acceptable solution in a thin-only environment that involved ltspfs
>> notifications, but the same thing doesn't work for fat clients.)
>>
>> I know that pcmanfm's preferences are in
>> ~/.config/pcmanfm/lubuntu/pcmanfm.conf, but don't have any slick
>> ideas beyond that. My first idea is to make a script that looks at
>> whether the output of hostname contains "ltsp" or not.
>>
>> Other ideas?
> [snip]
Here is an improved upstart job (/etc/init/pcmanfm-ltsp.conf). The
script code is tested as working when run manually as a script, but it
was not effective as an upstart job. Perhaps environment variables like
$HOME are not available to upstart jobs even though this one doesn't run
until after the desktop session has started and $HOME should be defined
at that point.
But given that the code works as a script, I can probably get what I
want by setting that up with a desktop shortcut in an autostarting location.
# Edit pcmanfm Volume Management preferences at startup
#
# Set prefs based on whether the machine is a thin client or a
server/fat client
description "Edit pcmanfm Volume Management preferences based on machine
type"
start on desktop-session-start
script
# test for a fat client:
if [[ $(hostname | grep 'ltsp') == ltsp* ]]; then
sed -i 's/mount_removable=0/mount_removable=1/'
"$HOME/.config/pcmanfm/lubuntu/pcmanfm.conf"
# test for a thin client:
elif [ -n "$LTSP_CLIENT" ]; then
sed -i 's/mount_removable=0/mount_removable=0/'
"$HOME/.config/pcmanfm/lubuntu/pcmanfm.conf"
# machine must be the server
else
sed -i 's/mount_removable=0/mount_removable=1/'
"$HOME/.config/pcmanfm/lubuntu/pcmanfm.conf"
fi
end script
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