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| The sadly failed OLPC project created a bunch of interesting hardware and many still have old models like the XO-1 laptop lying around their homes. Too interesting to throw away but too slow and tiny to be of much use today. They have one feature that is still rare: In direct sunlight the display becomes a reflective black and white display. Very useful in the California sun.
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| I decided to use these old laptops as little informational displays mounted on the outside of our hackerspace. They idea being that they'd list upcoming events for the day.
| | This was moved to [https://sudoroom.org/omni-olpc-events a github repo]. |
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| This guide will show you how to set up remote X access for the OLPC and display a modern web browser in kiosk mode. You won't have to jailbreak the laptop nor update the operating system. You will need a USB ethernet adapter, or figure out how to set up the wifi on your own. | |
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| These instructions are based on OLPC XO-1 operating system build 802, meaning that it was one of the early XO-1 laptops that has never been updated. Newer versions may be different but they're all fedora based so you should be able to find the documentation without too much difficulty.
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| To get a root shell press ctrl-alt-f2 (f2 is the button at the top with the round symbol with three dots).
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| Plug in usb ethernet adapter which should come up as eth2.
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| Create file /etc/sysconfig/network-scripts/ifcfg-eth2
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| <pre>
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| DEVICE=eth2
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| BOOTPROTO=dhcp
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| ONBOOT=yes
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| </pre>
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| Plug in an ethernet cable with Internet and enable networking:
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| <pre>
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| /etc/init.d/network start | |
| </pre>
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| Install lxde and unclutter:
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| <pre>
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| yum install lxde-common unclutter
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| </pre>
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| Set a password for the olpc user:
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| <pre>
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| passwd olpc
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| </pre>
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| create /home/olpc/.xsession
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| <pre>
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| xhost +192.168.1.1
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| unclutter -idle 5 & # This hides the mouse cursor
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| xset s off # disable screen saver
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| xset -dpms # disable DPMS
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| xset s noblank # disable screen blanking
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| xrandr -o left # optional 90 degree rotation
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| exec ck-xinit-session startlxde
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| </pre>
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| Change 192.168.1.1 to the IP of the server you want to allow remote X access for. This does not seem to work for hostnames, only IPs.
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| Change hostname in /etc/avahi-daemon.conf to e.g. olpc so you can access the laptop remotely using olpc.local
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| Disable network manager and enable normal network services:
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| <pre>
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| chkconfig --level 2345 NetworkManager off
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| chkconfig --level 2345 network on
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| </pre>
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| From the remote machine (space.local) run:
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| <pre>
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| DISPLAY=olpc.local:0 chromium-browser --kiosk "https://omnicommons.org/calendar"
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| </pre>
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| You should make this run on startup.
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| Make a nice web-page that shows what you want to show and which has javascript to auto-reload every so often.
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| Put the computer in a nice box with some thick plexiglass and mount it on the outside of your building :)
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