Event advertisement

I made some advertisement @work.


Dust cleaning on Thinkpad

Fan started to make some strange noises. After some dust removing all is fine agian.


Routed Xen setup

Yesterday i needed to setup a Xen machine where only the MAC address of the host (dom0) was allowed by the firewall. Because of this, a bridged setup could not be used since all domU's will be using their own MAC address.

So i needed a routed setup instead. That way the host (dom0) will be used as a "router" for the domU's and the firewall would only see the MAC of the dom0 host when communicating.

Configuration is quite easy. Edit /etc/xen/xend-config.sxp and comment out the bridge related stuff. Then uncomment or add the following lines to enable routing:

(network-script network-route)
(vif-script     vif-route)
Then in /etc/sysctl.conf make sure you've these 2 lines to enable routing. The Proxy arp is needed if you have domU's on differend networks.
net.ipv4.ip_forward = 1
net.ipv4.conf.all.proxy_arp = 1
Restart xend, reboot the domU's and you're done (you can also just reboot the host).

LOAD logo

I created a logo for the LOAD event. This is what i have for now, but I'll probably make some other designs to. If you've comments or suggestions, please don't hesitate to put them here.


"F13 : I voted"

I voted for Gloriana. fedora-i-voted

"Fedora 12 release party 2"

Yesterday was the Fedora 12 release party in Antwerp (Belgium). It was held at the Don Bosco school which had a good infrastructure for this event. A nice room, drinks, food, network, ... So, thanks to them for providing this in their spare time !

I came a little earlier because I needed to setup a pxe server so people could get Fedora 12 installed on their machines if they wanted. After a while more people showed up (thanks Kris for being on time :) ) to listen to Bert and Bart's talk about the new Fedora and the Fedora community here in Belgium.

Later on Martin Langhoff from the OLPC project came in to talk a little about the OLPC, which I think is nice little device and has some cool features for the kids to play with.

This was the first Fedora Release party here and all in all it was a nice event and I hope we can do this on a regular basis so we can make the Belgium Fedora community grow.

Fedora 12 Release Party 1

Fedora 12 has been released, and for this there's a release party being held (probably the first Fedora release party in Belgium).

This will be a relative small event where the focus lies on getting together. You'll also have the opportunity to install Fedora 12 on your machine.

More info on the Fedora Wiki.

Fedora 12 release party

"RHEL SSL certificate error "

Yesterday i had a machine that wouldn't register with the red Hat network. It gave me the following error : "The SSL certificate failed verification". After some searching i noticed that the machine was still living in 2001, so all i had to do was set the time right.

Auto create home dirs with Samba

If you're using Samba to provide network shares to your users, it might be usefull to autmatically create the their homedir when they access it the first time. This can be done by adding this line to the [homes] directive : root preexec = /usr/local/sbin/mkhomedir.sh %U

This is the mkhomedir.sh script itself :


if [ ! -e /storage_users/DOMAIN/$1 ]; then mkdir /storage_users/DOMAIN/$1 chown $1:"DOMAIN+Domain Admins" /storage_users/DOMAIN/$1 fi exit 0

"Thesis : anti spam by MTA selection"

I'm publishing the Thesis that I and my fellow student Joost Ringoot made for our Graduate training in evening school. It might be useful to someone.


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