User:Stuart

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Just a list of rather random comments used mainly as a bloc notes for me. Please send me any
 +
comments -- Stuart Pook.
 +
 +
=== /etc/network/interfaces ===
 
The entry in /etc/network/interfaces. I use /30 as my home network is 192.168.0.0/24. I have a local nameserver.
 
The entry in /etc/network/interfaces. I use /30 as my home network is 192.168.0.0/24. I have a local nameserver.
  
Line 27: Line 31:
 
</pre>
 
</pre>
  
−
Well,  install.sh - v3.0, fails.
+
Well,  [http://pkg-fso.alioth.debian.org/freerunner/install.sh install.sh] - v3.0, from [http://wiki.debian.org/DebianOnFreeRunner wiki.debian.org] fails.
  
 
<pre># HOSTNAME=stuart INST_MIRROR=http://ftp.fr.debian.org/debian QI=true LOCALEPURGE=true ./install.sh  --no-partitioning --swap-size  128 --part1-fs ext3 --with-tasks GAMES,NET,WEB,WIFI,COM all
 
<pre># HOSTNAME=stuart INST_MIRROR=http://ftp.fr.debian.org/debian QI=true LOCALEPURGE=true ./install.sh  --no-partitioning --swap-size  128 --part1-fs ext3 --with-tasks GAMES,NET,WEB,WIFI,COM all
Line 46: Line 50:
 
</pre>
 
</pre>
  
 +
Make a tar of /mnt/debian so that I don't have to go through all this agian.
 +
 +
== Configuring Debian ==
 +
=== Touchscreen ===
 
Now I have debian on my SD card but the touchscreen doesn't work.  
 
Now I have debian on my SD card but the touchscreen doesn't work.  
 
http://neil.brown.name/blog/20090212205404 says that it might just be a calibration problem.
 
http://neil.brown.name/blog/20090212205404 says that it might just be a calibration problem.
 
<code>apt-get install libts-bin</code>
 
<code>apt-get install libts-bin</code>
 
<code>TSLIB_TSDEVICE=/dev/input/touchscreen0 DISPLAY=:0 /usr/bin/ts_calibrate</code>
 
<code>TSLIB_TSDEVICE=/dev/input/touchscreen0 DISPLAY=:0 /usr/bin/ts_calibrate</code>
 +
 +
Let's read http://www.mail-archive.com/smartphones-userland@linuxtogo.org/msg01205.html which suggests
 
<pre>
 
<pre>
−
xres = 480, yres = 640
+
# apt-get remove xserver-xorg-input-synaptics
 
</pre>
 
</pre>
−
I can see the cross-hairs but clicking does nothing. Ok, you need to stop the Xserver before calibrating.
+
 
 +
Did <code>apt-get install xserver-xglamo</code> then ran /usr/bin/Xglamo which says
 
<pre>
 
<pre>
−
# /etc/init.d/nodm stop
+
Failed to open TSLib device, tried /dev/ts /dev/touchscreen/0 .
−
TSLIB_TSDEVICE=/dev/input/touchscreen0  DISPLAY=:0 /usr/bin/ts_calibrate
+
Try setting TSLIB_TSDEVICE to valid /dev entry?
−
xres = 480, yres = 640
+
−
Took 15 samples...
+
−
Top left : X =  858 Y =  201
+
−
Took 2 samples...
+
−
Top right : X =  854 Y =  840
+
−
Took 9 samples...
+
−
Bot right : X =  160 Y =  840
+
−
Took 11 samples...
+
−
Bot left : X =  162 Y =  196
+
−
Took 18 samples...
+
−
Center : X =  509 Y =  513
+
−
-65.726501 -0.002131 0.592298
+
−
717.045288 -0.776964 -0.003633
+
−
Calibration constants: -4307452 -139 38816 46992280 -50919 -238 65536
+
−
# echo -4307452 -139 38816 46992280 -50919 -238 65536 > /etc/pointercal
+
−
# /etc/init.d/nodm start
+
 
</pre>
 
</pre>
 +
Ok, a link <code>ln -s input/touchscreen0 /dev/ts</code>. /usr/bin/Xglamo works, update /etc/X11/xorg.conf [[Debian#Xglamo_acceleration]] and I have a touchscreen that works.
 +
=== Cleanup ===
 +
<pre>
 +
# apt-get remove xserver-xorg-input-wacom
 +
</pre>
 +
 +
=== Dropbear ===
 +
Dropbear looks for /usr/X11R6/bin/xauth [[http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532900 Debian bug]] but xauth is in /usr/bin/xauth and /usr/bin/X11/xauth. Make a symlink.
 +
<pre>
 +
ln -s . /usr/X11R6
 +
</pre>
 +
 +
Need to read http://wiki.debian.org/DebianOnFreeRunnerTips and http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=500626
 +
 +
I replaced dropbear with openssh-server.
 +
 +
=== connman ===
 +
 +
Install <code>connman</code> and edit /etc/dbus-1/system.d/connman.conf to replace <code>user="root"</code> with <code>group="messagebus"</code> otherwise you get the messages
 +
<pre>
 +
wifi.py 98 wifi    WARNING  can't use wifi service : org.moblin.connman.Error.PermissionDenied: Permission denied
 +
service.py 128 Service  ERROR    Can't init service Wifi : org.moblin.connman.Error.PermissionDenied: Permission denied
 +
</pre>
 +
if you do not run as root.
 +
 +
Connman does not appears to start at boot. Try
 +
<pre>cd /etc/rc2.d &&  mv S01connman S10connman
 +
</pre>
 +
 +
=== mokomaze ===
 +
Mokomaze does not work if you are not root. To fix (let me know if this is not right)
 +
<pre>
 +
chmod 666 /dev/input/event3 /sys/class/leds/neo1973:vibrator/brightness
 +
</pre>
 +
 +
=== rxvt-unicode ===
 +
to get a nice small font (but not too small), ~/.Xresources should contain
 +
<pre>
 +
URxvt*font: xft:DejaVu Sans Mono:size=4.0
 +
</pre>
 +
Vala-terminal is better.
 +
 +
=== network configuration when USB pluged-in ===
 +
I want to run a program when I plug the USB in. This program will try to workout where
 +
I am and setup the domain and http proxy correctly. A script can be run my creating
 +
<code>/etc/udev/rules.d/00-usb-stuart.rules<code>
 +
<pre>
 +
ENV{POWER_SUPPLY_ONLINE}=="1", KERNEL=="usb", RUN+="/bin/sh -c /etc/network/proxy-setup&"
 +
</pre>
 +
This script is run twice (and perhaps in parallel) so be careful.
 +
 +
=== http proxy and /etc/resolv.conf setup ===
 +
This is my first script to automatically set the http and ftp proxies.
 +
It also sets the domain so that smtp resolves to a working smtp server.
 +
At the moment I am only using USB networking
 +
and this program will have to be modified if I want to use both at once.
 +
<pre>
 +
#!/bin/dash
 +
# written by Stuart Pook
 +
#(/bin/date; echo "$@"; env) >> /tmp/RUN
 +
 +
usb_ip=$(/sbin/ifconfig usb0 | sed -ne 's/ inet addr:\([0-9.]*\) .*/\1/p')
 +
[ "$usb_ip" ] || exit 1
 +
 +
rule=OUTPUT
 +
table=nat
 +
 +
domain1=example.org
 +
set -- $(host www-cache-in.$domain1)
 +
machine1=$4
 +
port1=3128
 +
if netcat -s $usb_ip -z $machine1 $port1
 +
then
 +
proxy=$machine1:$port1
 +
domain=$domain1
 +
else
 +
proxy=127.0.0.1:8888
 +
domain=free.fr
 +
fi
 +
date "+nameserver 192.168.0.200%ndomain $domain%n# %c $ACTION $POWER_SUPPLY_ONLINE $SUBSYSTEM $POWER_SUPPLY_NAME" > /etc/resolv.conf
 +
 +
env=/etc/environment
 +
[ -r $env ] && . $env
 +
 +
[ "$http_proxy" ] || exit 1
 +
 +
set -- $(sed -n -e "s .* $http_proxy " -e 's@http://\([0-9][0-9.]*[0-9]\):\([0-9][0-9]*\)@\1 \2@p' -e q /etc/passwd)
 +
dest=$1
 +
port=$2
 +
[ "$dest" -a "$port" ] || exit 1
 +
iptables -t $table -F $rule
 +
iptables -t $table -I $rule --protocol tcp --dst $dest --dport $port -j DNAT --to-destination $proxy
 +
</pre>
 +
<code>/etc/environment</code> contains a junk http proxy address and iptables is used to redirect this to a remote proxy if one is required or a proxy on the Freerunner. This avoids using the proxy on the Freerunner if a remote proxy is available and allows me to change the proxy for running programs.
 +
<pre>
 +
http_proxy=http://14.255.14.250:542
 +
ftp_proxy=http://14.255.14.250:542
 +
</pre>
 +
 +
=== wicd Network Manager ===
 +
wicd works except thatit uses too much cpu time when the gui is open. [http://wicd.net/punbb/viewtopic.php?pid=2856 forum question]
 +
 +
== references ==
 +
[[User:JohnSullivan]]

Latest revision as of 12:25, 1 October 2009

Just a list of rather random comments used mainly as a bloc notes for me. Please send me any comments -- Stuart Pook.

Contents

[edit] /etc/network/interfaces

The entry in /etc/network/interfaces. I use /30 as my home network is 192.168.0.0/24. I have a local nameserver. 

iptables -A FORWARD --in-interface eth7 -j ACCEPT
allow-hotplug eth7
iface eth7 inet static
	address 192.168.0.200
	netmask 255.255.255.252
	up iptables -A POSTROUTING -t nat -s 192.168.0.200/30 -j MASQUERADE
	up echo 1 > /proc/sys/net/ipv4/ip_forward
	down iptables -D POSTROUTING -t nat -s 192.168.0.200/30  -j MASQUERADE
iptables -A FORWARD --out-interface eth7 -j ACCEPT

[edit] Installing Debian

I partitioned by hand because of a problem with fdisk. Changing the type of a partition seems to block with the fdisk from Om 2007. 

Disk /dev/mmcblk0: 2032 MB, 2032664576 bytes
4 heads, 16 sectors/track, 62032 cylinders
Units = cylinders of 64 * 512 = 32768 bytes

        Device Boot      Start         End      Blocks  Id System
/dev/mmcblk0p1               1       57984     1855480  83 Linux
/dev/mmcblk0p2           57985       62032      129536  82 Linux swap

Well, install.sh - v3.0, from wiki.debian.org fails. 

# HOSTNAME=stuart INST_MIRROR=http://ftp.fr.debian.org/debian QI=true LOCALEPURGE=true ./install.sh  --no-partitioning --swap-size  128 --part1-fs ext3 --with-tasks GAMES,NET,WEB,WIFI,COM all
[...]
P: Configuring package apt
P: Configuring helper cdebootstrap-helper-apt
E: Internal error: install

http://www.mail-archive.com/smartphones-userland@linuxtogo.org/msg01544.html explains that you have to download install-info_4.13a.dfsg.1-4_armel.deb in the middle of the installation. 

HOSTNAME=stuart QI=true INST_MIRROR=http://ftp.fr.debian.org/debian LOCALEPURGE=true /home/root/install.sh  --no-partitioning --swap-size 128 --part1-fs ext3 format mount
mkdir /mnt/debian/var /mnt/debian/var/cache  /mnt/debian/var/cache/bootstrap/
wget http://ftp.debian.org/debian/pool/main/t/texinfo/install-info_4.13a.dfsg.1-4_armel.deb
mv install-info_4.13a.dfsg.1-4_armel.deb  /mnt/debian/var/cache/bootstrap/
HOSTNAME=stuart QI=true INST_MIRROR=http://ftp.fr.debian.org/debian LOCALEPURGE=true /home/root/install.sh  --no-partitioning --swap-size 128 --part1-fs ext3 debian apt fso tasks configuration kernel cleanup unmount

Make a tar of /mnt/debian so that I don't have to go through all this agian.

[edit] Configuring Debian

[edit] Touchscreen

Now I have debian on my SD card but the touchscreen doesn't work. http://neil.brown.name/blog/20090212205404 says that it might just be a calibration problem. apt-get install libts-bin TSLIB_TSDEVICE=/dev/input/touchscreen0 DISPLAY=:0 /usr/bin/ts_calibrate

Let's read http://www.mail-archive.com/smartphones-userland@linuxtogo.org/msg01205.html which suggests 

# apt-get remove xserver-xorg-input-synaptics

Did apt-get install xserver-xglamo then ran /usr/bin/Xglamo which says 

Failed to open TSLib device, tried /dev/ts /dev/touchscreen/0 .
Try setting TSLIB_TSDEVICE to valid /dev entry?

Ok, a link ln -s input/touchscreen0 /dev/ts. /usr/bin/Xglamo works, update /etc/X11/xorg.conf Debian#Xglamo_acceleration and I have a touchscreen that works.

[edit] Cleanup 

# apt-get remove xserver-xorg-input-wacom

[edit] Dropbear

Dropbear looks for /usr/X11R6/bin/xauth [Debian bug] but xauth is in /usr/bin/xauth and /usr/bin/X11/xauth. Make a symlink. 

ln -s . /usr/X11R6

Need to read http://wiki.debian.org/DebianOnFreeRunnerTips and http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=500626

I replaced dropbear with openssh-server.

[edit] connman

Install connman and edit /etc/dbus-1/system.d/connman.conf to replace user="root" with group="messagebus" otherwise you get the messages 

wifi.py 98 wifi     WARNING  can't use wifi service : org.moblin.connman.Error.PermissionDenied: Permission denied
service.py 128 Service  ERROR    Can't init service Wifi : org.moblin.connman.Error.PermissionDenied: Permission denied

if you do not run as root.

Connman does not appears to start at boot. Try 

cd /etc/rc2.d &&  mv S01connman S10connman

[edit] mokomaze

Mokomaze does not work if you are not root. To fix (let me know if this is not right) 

chmod 666 /dev/input/event3 /sys/class/leds/neo1973:vibrator/brightness

[edit] rxvt-unicode

to get a nice small font (but not too small), ~/.Xresources should contain 

URxvt*font: xft:DejaVu Sans Mono:size=4.0

Vala-terminal is better.

[edit] network configuration when USB pluged-in

I want to run a program when I plug the USB in. This program will try to workout where I am and setup the domain and http proxy correctly. A script can be run my creating /etc/udev/rules.d/00-usb-stuart.rules<code> 

ENV{POWER_SUPPLY_ONLINE}=="1", KERNEL=="usb", RUN+="/bin/sh -c /etc/network/proxy-setup&"

This script is run twice (and perhaps in parallel) so be careful.

[edit] http proxy and /etc/resolv.conf setup

This is my first script to automatically set the http and ftp proxies. It also sets the domain so that smtp resolves to a working smtp server. At the moment I am only using USB networking and this program will have to be modified if I want to use both at once. 

#!/bin/dash
# written by Stuart Pook
#(/bin/date; echo "$@"; env) >> /tmp/RUN

usb_ip=$(/sbin/ifconfig usb0 | sed -ne 's/ inet addr:\([0-9.]*\) .*/\1/p')
[ "$usb_ip" ] || exit 1

rule=OUTPUT
table=nat

domain1=example.org
set -- $(host www-cache-in.$domain1)
machine1=$4
port1=3128
if netcat -s $usb_ip -z $machine1 $port1
then
	proxy=$machine1:$port1
	domain=$domain1
else
	proxy=127.0.0.1:8888
	domain=free.fr
fi
date "+nameserver 192.168.0.200%ndomain $domain%n# %c $ACTION $POWER_SUPPLY_ONLINE $SUBSYSTEM $POWER_SUPPLY_NAME" > /etc/resolv.conf

env=/etc/environment
[ -r $env ] && . $env

[ "$http_proxy" ] || exit 1

set -- $(sed -n -e "s .* $http_proxy " -e 's@http://\([0-9][0-9.]*[0-9]\):\([0-9][0-9]*\)@\1 \2@p' -e q /etc/passwd)
dest=$1
port=$2
[ "$dest" -a "$port" ] || exit 1
iptables -t $table -F $rule
iptables -t $table -I $rule --protocol tcp --dst $dest --dport $port -j DNAT --to-destination $proxy

<code>/etc/environment contains a junk http proxy address and iptables is used to redirect this to a remote proxy if one is required or a proxy on the Freerunner. This avoids using the proxy on the Freerunner if a remote proxy is available and allows me to change the proxy for running programs. 

http_proxy=http://14.255.14.250:542
ftp_proxy=http://14.255.14.250:542

[edit] wicd Network Manager

wicd works except thatit uses too much cpu time when the gui is open. forum question

[edit] references

User:JohnSullivan

Retrieved from "http://wiki.openmoko.org/index.php?title=User:Stuart&oldid=76290"
Personal tools

The entry in /etc/network/interfaces. I use /30 as my home network is 192.168.0.0/24. I have a local nameserver. 

iptables -A FORWARD --in-interface eth7 -j ACCEPT
allow-hotplug eth7
iface eth7 inet static
	address 192.168.0.200
	netmask 255.255.255.252
	up iptables -A POSTROUTING -t nat -s 192.168.0.200/30 -j MASQUERADE
	up echo 1 > /proc/sys/net/ipv4/ip_forward
	down iptables -D POSTROUTING -t nat -s 192.168.0.200/30  -j MASQUERADE
iptables -A FORWARD --out-interface eth7 -j ACCEPT

Installing Debian

I partitioned by hand because of a problem with fdisk. Changing the type of a partition seems to block with the fdisk from Om 2007. 

Disk /dev/mmcblk0: 2032 MB, 2032664576 bytes
4 heads, 16 sectors/track, 62032 cylinders
Units = cylinders of 64 * 512 = 32768 bytes

        Device Boot      Start         End      Blocks  Id System
/dev/mmcblk0p1               1       57984     1855480  83 Linux
/dev/mmcblk0p2           57985       62032      129536  82 Linux swap

Well, install.sh - v3.0, fails. 

# HOSTNAME=stuart INST_MIRROR=http://ftp.fr.debian.org/debian QI=true LOCALEPURGE=true ./install.sh  --no-partitioning --swap-size  128 --part1-fs ext3 --with-tasks GAMES,NET,WEB,WIFI,COM all
[...]
P: Configuring package apt
P: Configuring helper cdebootstrap-helper-apt
E: Internal error: install

http://www.mail-archive.com/smartphones-userland@linuxtogo.org/msg01544.html explains that you have to download install-info_4.13a.dfsg.1-4_armel.deb in the middle of the installation. 

HOSTNAME=stuart QI=true INST_MIRROR=http://ftp.fr.debian.org/debian LOCALEPURGE=true /home/root/install.sh  --no-partitioning --swap-size 128 --part1-fs ext3 format mount
mkdir /mnt/debian/var /mnt/debian/var/cache  /mnt/debian/var/cache/bootstrap/
wget http://ftp.debian.org/debian/pool/main/t/texinfo/install-info_4.13a.dfsg.1-4_armel.deb
mv install-info_4.13a.dfsg.1-4_armel.deb  /mnt/debian/var/cache/bootstrap/
HOSTNAME=stuart QI=true INST_MIRROR=http://ftp.fr.debian.org/debian LOCALEPURGE=true /home/root/install.sh  --no-partitioning --swap-size 128 --part1-fs ext3 debian apt fso tasks configuration kernel cleanup unmount

Now I have debian on my SD card but the touchscreen doesn't work. http://neil.brown.name/blog/20090212205404 says that it might just be a calibration problem. apt-get install libts-bin TSLIB_TSDEVICE=/dev/input/touchscreen0 DISPLAY=:0 /usr/bin/ts_calibrate 

xres = 480, yres = 640

I can see the cross-hairs but clicking does nothing. Ok, you need to stop the Xserver before calibrating. 

# /etc/init.d/nodm stop
TSLIB_TSDEVICE=/dev/input/touchscreen0  DISPLAY=:0 /usr/bin/ts_calibrate
xres = 480, yres = 640
Took 15 samples...
Top left : X =  858 Y =  201
Took 2 samples...
Top right : X =  854 Y =  840
Took 9 samples...
Bot right : X =  160 Y =  840
Took 11 samples...
Bot left : X =  162 Y =  196
Took 18 samples...
Center : X =  509 Y =  513
-65.726501 -0.002131 0.592298
717.045288 -0.776964 -0.003633
Calibration constants: -4307452 -139 38816 46992280 -50919 -238 65536 
# echo -4307452 -139 38816 46992280 -50919 -238 65536 > /etc/pointercal 
# /etc/init.d/nodm start