I want to rsync to a remote host to a given directory.

local-host:

ssh-keygen -t rsa

keyfilename: ~/.ssh/rsync
ssh-copy-id -i .ssh/rsync rsyncuser@remote-host

rsync files with ssh:

rsync -vaHxr --delete \
      -e "ssh -i ~/.ssh/rsync -c arcfour -o Compression=no -x" \
      LOCALDIR rsyncuser@remote-host:

remote-host

/home/rsyncuser/.ssh/authorized_keys:

from="192.168.0.2,",command="/home/rsyncuser/validate-rsync.sh",
 no-pty,no-agent-forwarding,no-port-forwarding
 ssh-dss 012345678...

limit access with from (optional).
On sucessfully ssh login command is executed.
Read More...

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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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