Today i a made a patch for ffmpeg to be able to fetch a png file from a cgi script

ffmpeg -f image2 -vcodec png -i 'http://server/cgi-bin/graph.cgi'

This didn't work because ffmpeg/libavformat/http could't handle "Transfer-Encoding: chunked"

0001-http-Transfer-Encoding-chunked.patch

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$ sudo apt-get install build-essential fakeroot dpkg-dev
$ mkdir build
$ cd build
$ sudo apt-get source foo
$ sudo apt-get build-dep foo
$ cd foo
$ dpkg-buildpackage -rfakeroot -b -us -uc -nc

-nc does not clean, usefull if you change something and rebuild

http://www.cyberciti.biz/faq/rebuilding ... y-package/

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webalizer.conf:

LogFile /var/log/apache2/access.log.1
OutputDir /var/www/webalizer
Incremental yes

To have the right sorting order (oldest logs first) i use ls -tr.

for i in $(ls -tr access.log*); do \
   webalizer -c /etc/webalizer/webalizer.conf $i; \
done

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For testing my intellon driver on one pc i need to send packets on eth0 (intellon usb) out and receive them via eth1 (intellon ethernet).

The only solution i found was a not anymore supported module for netfilter from Rusty Russell.

I tried to fix the compiler errors/warnings and finally it worked.

Usage:

ifconfig eth0 192.168.1.1
ifconfig eth1 192.168.2.1
arp -s 192.168.1.2 <hardware address of eth1> -i eth0
arp -s 192.168.2.2 <hardware address of eth0> -i eth1
modprobe ip_crossover dev1=eth0 dev2=eth1

Then doing ping 192.168.1.2, ICMP ping goes out eth0 and comes back in eth1.

ip_crossover.tar.bz2


for testing packets with differenz sizes i did:

for i in $(seq 0 1472); do ping -q -c1 -s$i 192.168.2.2 >/dev/null || echo fail $i; done

for i in $(seq 0 1472); do ping -q -c1 -s$i 192.168.1.2 >/dev/null || echo fail $i; done


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Here is how i made the patch for inclusion:

git config --global user.name "Peter Holik"
git config --global user.email "peter AT holik.at"

check kernel out with git

git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

first i had to export usbnet_get_ethernet_addr from usbnet.c
and to fix cdc_ether.c

git commit -am "export get_ethernet_addr from cdc.ether.c in usbnet"

then copy my new driver int51x1.c to /usr/src/linux-2.6/drivers/net/usb/ and modify /usr/src/linux-2.6/drivers/net/usb/Kconfig and /usr/src/linux-2.6/drivers/net/usb/Makefile

git add /usr/src/linux-2.6/drivers/net/usb/int51x1.c

git commit -am "usb driver for intellon int51x1 based PLC like devolo dlan duo"

git format-patch -s origin/master

Then mail the created file to linux kernel mailinglist:

cat 0001-export-usbnet_get_ethernet_addr-from-usbnet-and-fixe.patch | \
mail linux-kernel@vger.kernel.org

cat 0002-usb-driver-for-intellon-int51x1-based-PLC-like-devol.patch | \
mail linux-kernel@vger.kernel.org

Many thanks to the guys at linux-kernel@vger.kernel.org for suggestions and improvements.

Undo last commit with git reset --soft HEAD^

My driver will be part of linux kernel 2.6.31

git quick reference

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