March 2010

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Some time ago I released a simple Firefox extension, Open With Konqueror. In the time since I released it, a new version of KDE and the Crystal icon set have been released, as well as a slew of new “Open With X”-type extensions. Open With Konqueror is simply obsolete.

I recommend you install Open With, a generic extension capable of opening the current page or selected link with any application. KDE users can simply open the extension preferences, select the “Manual Entries” tab, select “Add”, and enter “/usr/bin/konqueror”.

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I use iptables firewalls on every server I administer, including all of our core routers (which run Linux too). There are lots of tools to easily configure a firewall. For simple tasks, Ubuntu now installs ufw by default, which has both command-line and GUI tools. For servers, consider Webmin.

If you want to do something more complicated, or prefer editing iptables rules yourself, you’ll have to do it by hand. When I first started doing this I found a template online and edited it to suit my need. Over time I’ve learned a lot more about iptables, and my templates have evolved.

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