• First, We have to disable the garmin_gps module, because the serial interface isn’t very stable

echo "blacklist garmin_gps" >> /etc/modprobe.d/blacklist.conf

• Set the correct permissions for the usb device in /etc/udev/rules.d/51-garmin.rules

ATTRS{idVendor}=="091e", ATTRS{idProduct}=="0003", MODE="0660", GROUP="plugdev"

• Download the stored tracks :

gpsbabel -t -i garmin -f usb:  -o gpx -F file.gpx

<?php

chdir('/var/www/drupal');
requrire_once('./includes/bootstrap.inc');
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
//Become admin
global $user;
$user = user_load(1);

//Yourcode
print_r(node_load(1))
?>

• Install the squashfs tools

david@rifraf:/3data/iso$ sudo aptitude install squashfs-tools

• Create the working directories

david@rifraf:/3data$ mkdir custom-squashfs
david@rifraf:/3data$ mkdir squashfs
david@rifraf:/3data$ mkdir squashfs-images

• Become root and load the squashfs module

david@rifraf:/3data$ sudo su
[sudo] password for david:
root@rifraf:/3data# modprobe squashfs

• Mount the current squashfs file form the usb stick

root@rifraf:/3data# mount -t squashfs -o loop /media/usb-stick/casper/filesystem.squashfs squashfs/

• Copy the root content

root@rifraf:/3data# cp -a squashfs/* custom-squashfs

• Cleanup

root@rifraf:/3data# umount /3data/squashfs/
root@rifraf:/3data# rm -rf squashfs/

• Chroot the file system

root@rifraf:/3data# cp /etc/resolv.conf custom-squashfs/etc/
root@rifraf:/3data# chroot custom-squashfs
root@rifraf:/# mount -t proc none /proc/
root@rifraf:/# mount -t proc none /sys/
root@rifraf:/# export HOME=/root

• Edit the /etc/apt/sources.list and uncomment the following lines

deb http://archive.ubuntu.com/ubuntu lucid universe
deb http://archive.ubuntu.com/ubuntu lucid multiverse

• Update the apt sources

root@rifraf:/# aptitude update

• Install the needed applications

root@rifraf:/# aptitude install devede vlc mplayer thunderbird gimp filezilla terminator flashplugin-installer

• Cleanup

root@rifraf:/# apt-get clean
root@rifraf:/# rm -rf /tmp/*
root@rifraf:/# rm -f /etc/hosts /etc/resolv.conf

• Quit the chroot

root@rifraf:/# umount /proc/
root@rifraf:/# umount /sys/
root@rifraf:/# exit

• Create the new squashfs file

root@rifraf:/3data# mksquashfs custom-squashfs squashfs-images/filesystem.squashfs

• Copy to the usb stick

root@rifraf:/3data# cp squashfs-images/filesystem.squashfs /media/04AB-8752/casper

• Test the live system

david@rifraf:/3data$ qemu -hda /dev/sdb -m 256 -vga std

• Download ubuntu iso image

david@rifraf:/3data/iso$ http://ubuntu.positive-internet.com/releases/lucid/ubuntu-10.04-desktop-i386.iso

• Install usb creator

david@rifraf:/3data/iso$ sudo aptitude install usb-creator-gtk

• Launch usb creator

david@rifraf:/3data/iso$ usb-creator-gtk

3 month after the first upload to extras-devel, Roadrunner is in extras repository.

http://maemo.org/downloads/product/Maemo5/roadrunner/

Because I use the NSLU (with debian squeeze) as a multimedia box, it is online all the time.
Most of the time, I don’t use it and don’t want to have the usb hard disk running 24/7.

Modify fstab

/etc/fstab

UUID=ef8be17c-3524-46b6-864c-981a76f919e1 /               ext3    noatime,errors=remount-ro 0       1
UUID=6337cac1-c8ab-4f29-9f15-c7c1673dda8d /data           ext3    noatime,defaults        0       2
UUID=b7cc8fb0-d581-4754-b06f-2f304e7bfecc /home           ext3    noatime,defaults        0       2

Note: I specified the noatime option

Disable unwanted services

root@nslu:~# update-rc.d rsyslog remove
root@nslu:~# update-rc.d exim4 remove
root@nslu:~# update-rc.d cron remove

Disable MPD logfile

/etc/mpd.conf

#log_file            "/var/log/mpd/mpd.log"

Enable disk access tracking

root@nslu:~# echo 1 > /proc/sys/vm/block_dump
root@nslu:~# cat /proc/kmsg
<7>[ 1092.070000] mpd(1454): READ block 283720256 on sda4

Note: You can see here mpd process reading data

Install sdparm

sdparm controls the disk.

root@nslu:~# aptitude install sdparm

The spindown script

while true
do

 MyDiskStatsNow=`cat /proc/diskstats | grep "sda "`
 MyDiskStatsPrev="MyDiskStatsNow"
 while [ "$MyDiskStatsNow" != "$MyDiskStatsPrev" ]; do
 echo "Busy : $MyDiskStatsNow "
 MyDiskStatsPrev=$MyDiskStatsNow
 sleep 10
 MyDiskStatsNow=`cat /proc/diskstats | grep "sda "`
 done
 echo "Pas d activite detectee! - Spindown actif "

 sdparm --command=stop /dev/sda
 MyDiskStatsPrev=$MyDiskStatsNow

 while [ "$MyDiskStatsNow" = "$MyDiskStatsPrev" ]; do
 echo "Idle : $MyDiskStatsNow "
 sleep 10
 MyDiskStatsNow=`cat /proc/diskstats | grep "sda "`
 done
 echo "Activite disque detectee"
done

Installing lighttpd and php5-cgi

root@nslu:~# aptitude install php5-cgi lighttpd

/etc/lighttpd/lighttpd.conf

server.modules              = (
 "mod_access",
 "mod_alias",
 "mod_accesslog",
 "mod_compress",
 "mod_fastcgi",
)
fastcgi.server = ( ".php" =>
 ( "localhost" =>
 (
 "socket" => "/tmp/php-fastcgi.socket",
 "bin-path" => "/usr/bin/php5-cgi"
 )
 )
)
#include_shell "/usr/share/lighttpd/use-ipv6.pl"

Restarting lighttpd

root@nslu:~# service lighttpd restart

Lirc installation

root@nslu:~# aptitude install lirc

/etc/lirc/hardware.conf

LIRCD_ARGS="-d hw:External"
LOAD_MODULES=true
DRIVER="alsa_usb"
DEVICE=""
MODULES=""
LIRCD_CONF=""
LIRCMD_CONF=""

Copy the preconfigured lircd.conf file

root@nslu:~# cp /usr/share/lirc/remotes/creative/lircd.conf.alsa_usb /etc/lirc/lircd.conf

/etc/lirc/lircrc

begin
 button = next
 prog   = irexec
 repeat = 0
 config = mpc next && echo "next"
 end

 begin
 button = previous
 prog   = irexec
 repeat = 0
 config = mpc prev &&  echo "previous"
 end

 begin
 button = vol+
 prog   = irexec
 repeat = 0
 config = mpc volume +10  &&  echo "vol+"
 end

 begin
 button = vol-
 prog   = irexec
 repeat = 0
 config = mpc volume -10 &&  echo "vol-"
 end

 begin
 button = playpause
 prog   = irexec
 repeat = 0
 config = mpc toggle &&  echo "play-pause"
 end

 begin
 button = stop
 prog   = irexec
 repeat = 0
 config = mpc stop &&  echo "stop"
 end

 begin
 button = start
 prog   = irexec
 repeat = 0
 config = mpc play &&  echo "play"
 end

Restarting lirc

root@nslu:~# service lirc restart

Installing mpd

root@nslu:~# aptitude install mpd mpc

/etc/mpd.conf

db_file         "/data/mpd/mpd.db"
log_file        "/var/log/mpd/mpd.log"
error_file      "/var/log/mpd/errors.log"
pid_file        "/var/run/mpd/pid"
audio_output {
    type        "alsa"
    name        "my ALSA device"
    device      "hw:0,0" # optional
    format      "44100:16:2" #optional
}

Updating the database

root@nslu:~# service mpd stop
root@nslu:~# mpd --create-db
root@nslu:~# service mpd start

Flashing the slug

First, You have build the debian squeeze installer firmware.
Follow this tutorial : http://cyrius.com/debian/nslu2/repack.html

Now, You are ready to flash the slug.
Press the reset button and start up the slug.
When the status led becomes red, release the reset button.

As root :

saturne:/home/david# upslug2 -i di-nslu2.bin
NSLU2     00:14:bf:62:c8:27 Product ID: 1 Protocol ID: 0 Firmware Version: R23V63 [0x2363]
Upgrading LKG62C827 00:14:bf:62:c8:27
 . original flash contents  * packet timed out
 ! being erased             - erased
 u being upgraded           U upgraded
 v being verified           V verified 

 Display:
 <status> <address completed>+<bytes transmitted but not completed>
 Status:
 * timeout occured          + sequence error detected

 4203ff+000000 ...UUUUUUUUUUu---------------------------------------------------

• When done

[...]
7fffff+000000 ...VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV
Rebooting... done

• Plug the usb disk

Continue reading ‘How to install debian squeeze on NSLU2’ »