Have fun with your Ubuntu System and have the folks at GRC.com run the Shields Up port scan tests aginst your IP address and feel really good about yourself for running Linux.
Free firewalls have become very common and represent an excellent alternative to commercial firewall packages.
Most of these firewalls run under some form of Linux, FreeBSD, or OpenBSD.
Many of these free firewalls are front-ends for the lower-level firewall packages which ship with these operating systems, such as pf (Packet Filter), ipf (IPFilter), ipfw (IPFirewall), and iptables.
Free firewall packages which you can download include:
Having problems with your wireless internet conection? No probs, here is the solution for you.
Make sure you are running the latest versions of firmware for the Treo 650. I happen to have an unlocked edition so this is very easy to fix from PalmOne.
The Tab Mix Plus extension has a gem of a feature buried deep within the settings: The ability to turn the Ctrl+Tab key from a direct tab switch into a popup menu that works similarly to the Windows Alt+Tab feature.
I use del.icio.us to store all of my infrequently used bookmarks, but I've found that browsing by tag just isn't very efficient for me. I always use a full text search through my bookmarks to find what I'm looking for, so what I'm really looking for is a single-click save solution similar to the star button on the Flock browser.
No other hardware nowadays supports GNU/Linux as weakly as wireless network adapters. Between the constant release of new models and major vendors who are uninterested in supporting the operating system, free drivers for wireless cards are next to impossible to reverse engineer. Nor can you find many retailers willing to customize laptops as readily as they do workstations. In this situation, ndiswrapper and the Broadcom firmware cutter provide a functional, if not always satisfactory, solution.